./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 2329fc70 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_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_15x0-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 19:57:25,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:57:25,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:57:25,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:57:25,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:57:25,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:57:25,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:57:25,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:57:25,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:57:25,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:57:25,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:57:25,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:57:25,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:57:25,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:57:25,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:57:25,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:57:25,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:57:25,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:57:25,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:57:25,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:57:25,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:57:25,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:57:25,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:57:25,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:57:25,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:57:25,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:57:25,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:57:25,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:57:25,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:57:25,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:57:25,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:57:25,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:57:25,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:57:25,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:57:25,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:57:25,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:57:25,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:57:25,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:57:25,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:57:25,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:57:25,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:57:25,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 19:57:25,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:57:25,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:57:25,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:57:25,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:57:25,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:57:25,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:57:25,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:57:25,829 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:57:25,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:57:25,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:57:25,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:57:25,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:57:25,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:57:25,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:57:25,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:57:25,830 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:57:25,830 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:57:25,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:57:25,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:57:25,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:57:25,831 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:57:25,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:57:25,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:57:25,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:57:25,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:57:25,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:57:25,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:57:25,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:57:25,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:57:25,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:57:25,832 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_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c [2022-12-14 19:57:26,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:57:26,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:57:26,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:57:26,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:57:26,045 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:57:26,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2022-12-14 19:57:28,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:57:28,806 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:57:28,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2022-12-14 19:57:28,811 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/data/4b12e0c21/f855a7c328604bd19a0e366da46b8e71/FLAGb22602230 [2022-12-14 19:57:29,225 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/data/4b12e0c21/f855a7c328604bd19a0e366da46b8e71 [2022-12-14 19:57:29,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:57:29,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:57:29,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:57:29,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:57:29,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:57:29,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60eb2196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29, skipping insertion in model container [2022-12-14 19:57:29,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:57:29,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:57:29,342 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_8df774b2-1abc-4d47-a59e-b07429f6acaf/sv-benchmarks/c/recursive-simple/sum_15x0-2.c[481,494] [2022-12-14 19:57:29,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:57:29,351 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:57:29,364 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_8df774b2-1abc-4d47-a59e-b07429f6acaf/sv-benchmarks/c/recursive-simple/sum_15x0-2.c[481,494] [2022-12-14 19:57:29,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:57:29,376 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:57:29,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29 WrapperNode [2022-12-14 19:57:29,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:57:29,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:57:29,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:57:29,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:57:29,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,397 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-14 19:57:29,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:57:29,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:57:29,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:57:29,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:57:29,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,407 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:57:29,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:57:29,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:57:29,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:57:29,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:57:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:57:29,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:57:29,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:57:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:57:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:57:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:57:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-12-14 19:57:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-12-14 19:57:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:57:29,508 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:57:29,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:57:29,588 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:57:29,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:57:29,604 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 19:57:29,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:57:29 BoogieIcfgContainer [2022-12-14 19:57:29,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:57:29,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:57:29,607 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:57:29,614 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:57:29,614 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:57:29" (1/1) ... [2022-12-14 19:57:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:57:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-12-14 19:57:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-12-14 19:57:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:57:29,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:29,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 30 transitions. [2022-12-14 19:57:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-14 19:57:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:57:29,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:29,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 29 transitions. [2022-12-14 19:57:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-12-14 19:57:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:57:29,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 34 transitions. [2022-12-14 19:57:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-12-14 19:57:30,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:57:30,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2022-12-14 19:57:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-12-14 19:57:30,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:57:30,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:30,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:30,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 43 transitions. [2022-12-14 19:57:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-12-14 19:57:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:57:30,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:30,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 53 transitions. [2022-12-14 19:57:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-12-14 19:57:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:57:30,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:30,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 57 transitions. [2022-12-14 19:57:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-12-14 19:57:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:57:31,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:31,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 68 transitions. [2022-12-14 19:57:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-14 19:57:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:57:31,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:31,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 79 transitions. [2022-12-14 19:57:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 19:57:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:57:32,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:32,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 93 transitions. [2022-12-14 19:57:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2022-12-14 19:57:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:57:32,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:32,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 97 transitions. [2022-12-14 19:57:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2022-12-14 19:57:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:57:32,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:32,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 101 transitions. [2022-12-14 19:57:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2022-12-14 19:57:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:57:33,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:33,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 116 transitions. [2022-12-14 19:57:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2022-12-14 19:57:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 19:57:34,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:34,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 131 transitions. [2022-12-14 19:57:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2022-12-14 19:57:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:57:34,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:34,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 134 transitions. [2022-12-14 19:57:35,001 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2022-12-14 19:57:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:57:35,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 137 transitions. [2022-12-14 19:57:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2022-12-14 19:57:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:57:35,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 154 transitions. [2022-12-14 19:57:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2022-12-14 19:57:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 19:57:36,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:36,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 171 transitions. [2022-12-14 19:57:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2022-12-14 19:57:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:57:37,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:37,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 113 states and 174 transitions. [2022-12-14 19:57:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 174 transitions. [2022-12-14 19:57:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 19:57:37,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 36 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 116 states and 177 transitions. [2022-12-14 19:57:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 177 transitions. [2022-12-14 19:57:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:57:38,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 123 states and 196 transitions. [2022-12-14 19:57:38,975 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 196 transitions. [2022-12-14 19:57:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:57:38,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:38,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 130 states and 215 transitions. [2022-12-14 19:57:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 215 transitions. [2022-12-14 19:57:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 19:57:39,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:39,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 218 transitions. [2022-12-14 19:57:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 218 transitions. [2022-12-14 19:57:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 19:57:40,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:40,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 62 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 221 transitions. [2022-12-14 19:57:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2022-12-14 19:57:40,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 19:57:40,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 242 transitions. [2022-12-14 19:57:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 242 transitions. [2022-12-14 19:57:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:57:42,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 151 states and 263 transitions. [2022-12-14 19:57:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2022-12-14 19:57:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 19:57:43,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 266 transitions. [2022-12-14 19:57:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 266 transitions. [2022-12-14 19:57:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 19:57:43,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:43,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 95 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 269 transitions. [2022-12-14 19:57:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 269 transitions. [2022-12-14 19:57:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 19:57:44,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:46,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 165 states and 292 transitions. [2022-12-14 19:57:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2022-12-14 19:57:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 19:57:46,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:46,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:47,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 172 states and 315 transitions. [2022-12-14 19:57:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 315 transitions. [2022-12-14 19:57:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 19:57:47,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:47,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:47,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 176 states and 318 transitions. [2022-12-14 19:57:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 318 transitions. [2022-12-14 19:57:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 19:57:47,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:47,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 135 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 321 transitions. [2022-12-14 19:57:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 321 transitions. [2022-12-14 19:57:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 19:57:49,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 186 states and 346 transitions. [2022-12-14 19:57:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 346 transitions. [2022-12-14 19:57:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 19:57:50,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:51,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 193 states and 371 transitions. [2022-12-14 19:57:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 371 transitions. [2022-12-14 19:57:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 19:57:51,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 197 states and 374 transitions. [2022-12-14 19:57:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 374 transitions. [2022-12-14 19:57:52,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 19:57:52,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 182 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 377 transitions. [2022-12-14 19:57:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 377 transitions. [2022-12-14 19:57:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 19:57:53,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:53,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 207 states and 404 transitions. [2022-12-14 19:57:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 404 transitions. [2022-12-14 19:57:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 19:57:55,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:55,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 214 states and 431 transitions. [2022-12-14 19:57:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 431 transitions. [2022-12-14 19:57:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 19:57:56,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 218 states and 434 transitions. [2022-12-14 19:57:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 434 transitions. [2022-12-14 19:57:58,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 19:57:58,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 236 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 221 states and 437 transitions. [2022-12-14 19:57:59,530 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 437 transitions. [2022-12-14 19:57:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 19:57:59,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:59,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 228 states and 466 transitions. [2022-12-14 19:58:01,437 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 466 transitions. [2022-12-14 19:58:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 19:58:01,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:01,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 235 states and 495 transitions. [2022-12-14 19:58:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 495 transitions. [2022-12-14 19:58:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 19:58:02,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:02,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 239 states and 498 transitions. [2022-12-14 19:58:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 498 transitions. [2022-12-14 19:58:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 19:58:04,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 297 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 242 states and 501 transitions. [2022-12-14 19:58:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 501 transitions. [2022-12-14 19:58:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 19:58:06,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:06,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 249 states and 532 transitions. [2022-12-14 19:58:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 532 transitions. [2022-12-14 19:58:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 19:58:07,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 256 states and 563 transitions. [2022-12-14 19:58:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 563 transitions. [2022-12-14 19:58:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 19:58:09,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:09,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 260 states and 566 transitions. [2022-12-14 19:58:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 566 transitions. [2022-12-14 19:58:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 19:58:11,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:11,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 365 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 263 states and 569 transitions. [2022-12-14 19:58:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 569 transitions. [2022-12-14 19:58:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 19:58:13,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:13,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 270 states and 602 transitions. [2022-12-14 19:58:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 602 transitions. [2022-12-14 19:58:15,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 19:58:15,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:15,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 277 states and 635 transitions. [2022-12-14 19:58:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 635 transitions. [2022-12-14 19:58:17,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 19:58:17,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 281 states and 638 transitions. [2022-12-14 19:58:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 638 transitions. [2022-12-14 19:58:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 19:58:19,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:19,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 440 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 284 states and 641 transitions. [2022-12-14 19:58:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 641 transitions. [2022-12-14 19:58:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 19:58:21,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 291 states and 676 transitions. [2022-12-14 19:58:23,505 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 676 transitions. [2022-12-14 19:58:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 19:58:23,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:23,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 298 states and 711 transitions. [2022-12-14 19:58:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 711 transitions. [2022-12-14 19:58:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 19:58:25,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:25,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 598 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 302 states and 714 transitions. [2022-12-14 19:58:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 714 transitions. [2022-12-14 19:58:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 19:58:27,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:27,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 522 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 305 states and 717 transitions. [2022-12-14 19:58:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 717 transitions. [2022-12-14 19:58:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 19:58:30,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 624 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 312 states and 754 transitions. [2022-12-14 19:58:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 754 transitions. [2022-12-14 19:58:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 19:58:32,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:32,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 319 states and 775 transitions. [2022-12-14 19:58:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 775 transitions. [2022-12-14 19:58:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 19:58:34,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 323 states and 778 transitions. [2022-12-14 19:58:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 778 transitions. [2022-12-14 19:58:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 19:58:37,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 611 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 326 states and 781 transitions. [2022-12-14 19:58:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 781 transitions. [2022-12-14 19:58:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 19:58:39,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:39,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 0 proven. 721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 333 states and 819 transitions. [2022-12-14 19:58:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 819 transitions. [2022-12-14 19:58:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 19:58:42,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:42,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 572 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 337 states and 825 transitions. [2022-12-14 19:58:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 825 transitions. [2022-12-14 19:58:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 19:58:47,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 342 states and 832 transitions. [2022-12-14 19:58:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 832 transitions. [2022-12-14 19:58:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 19:58:50,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 795 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 120 states and 134 transitions. [2022-12-14 19:58:53,210 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 134 transitions. [2022-12-14 19:58:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 19:58:53,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:53,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2022-12-14 19:58:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 119 states and 133 transitions. [2022-12-14 19:58:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2022-12-14 19:58:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 19:58:53,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:53,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:53,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2022-12-14 19:58:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 118 states and 132 transitions. [2022-12-14 19:58:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2022-12-14 19:58:54,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:58:54,226 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2022-12-14 19:58:54,232 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 19:58:54,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:58:54 ImpRootNode [2022-12-14 19:58:54,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:58:54,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:58:54,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:58:54,944 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:58:54,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:57:29" (3/4) ... [2022-12-14 19:58:54,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:58:54,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2022-12-14 19:58:54,953 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 19:58:54,953 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 19:58:54,953 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 19:58:54,953 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:58:54,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:58:54,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:58:54,974 INFO L158 Benchmark]: Toolchain (without parser) took 85745.93ms. Allocated memory was 144.7MB in the beginning and 524.3MB in the end (delta: 379.6MB). Free memory was 110.9MB in the beginning and 299.0MB in the end (delta: -188.1MB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. [2022-12-14 19:58:54,974 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:58:54,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.13ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 101.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:58:54,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.25ms. Allocated memory is still 144.7MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:58:54,975 INFO L158 Benchmark]: Boogie Preprocessor took 10.69ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 98.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:58:54,975 INFO L158 Benchmark]: RCFGBuilder took 197.67ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 87.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:58:54,976 INFO L158 Benchmark]: CodeCheck took 85336.48ms. Allocated memory was 144.7MB in the beginning and 524.3MB in the end (delta: 379.6MB). Free memory was 87.5MB in the beginning and 301.1MB in the end (delta: -213.6MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. [2022-12-14 19:58:54,976 INFO L158 Benchmark]: Witness Printer took 30.28ms. Allocated memory is still 524.3MB. Free memory was 301.1MB in the beginning and 299.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:58:54,978 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: 84.6s, OverallIterations: 67, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33284 SdHoareTripleChecker+Valid, 55.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32507 mSDsluCounter, 3488 SdHoareTripleChecker+Invalid, 48.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 8367 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90644 IncrementalHoareTripleChecker+Invalid, 99011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8367 mSolverCounterUnsat, 3480 mSDtfsCounter, 90644 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31065 GetRequests, 29651 SyntacticMatches, 598 SemanticMatches, 816 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668646 ImplicationChecksByTransitivity, 76.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.7s InterpolantComputationTime, 3988 NumberOfCodeBlocks, 3988 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 3922 ConstructedInterpolants, 0 QuantifiedInterpolants, 12646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 22 PerfectInterpolantSequences, 10195/19070 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 0.17ms. Allocated memory is still 144.7MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.13ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 101.1MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.25ms. Allocated memory is still 144.7MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 10.69ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 98.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.67ms. Allocated memory is still 144.7MB. Free memory was 98.6MB in the beginning and 87.9MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 85336.48ms. Allocated memory was 144.7MB in the beginning and 524.3MB in the end (delta: 379.6MB). Free memory was 87.5MB in the beginning and 301.1MB in the end (delta: -213.6MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. * Witness Printer took 30.28ms. Allocated memory is still 524.3MB. Free memory was 301.1MB in the beginning and 299.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:58:54,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8df774b2-1abc-4d47-a59e-b07429f6acaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE