./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:03:47,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:03:47,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:03:47,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:03:47,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:03:47,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:03:47,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:03:47,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:03:47,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:03:47,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:03:47,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:03:47,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:03:47,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:03:47,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:03:47,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:03:47,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:03:47,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:03:47,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:03:47,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:03:47,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:03:47,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:03:47,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:03:47,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:03:47,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:03:47,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:03:47,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:03:47,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:03:47,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:03:47,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:03:47,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:03:47,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:03:47,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:03:47,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:03:47,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:03:47,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:03:47,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:03:47,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:03:47,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:03:47,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:03:47,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:03:47,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:03:47,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 08:03:47,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:03:47,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:03:47,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:03:47,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:03:47,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:03:47,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:03:47,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:03:47,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 08:03:47,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:03:47,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 08:03:47,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:03:47,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:03:47,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:03:47,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:03:47,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 08:03:47,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:03:47,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:03:47,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:03:47,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:03:47,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:03:47,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:03:47,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:03:47,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:03:47,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:03:47,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:03:47,312 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:03:47,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:03:47,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:03:47,312 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_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2021-11-25 08:03:47,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:03:47,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:03:47,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:03:47,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:03:47,617 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:03:47,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-invgen/nested6.i [2021-11-25 08:03:47,682 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/data/557336759/c26987faaf494c2fa7e57371277595fc/FLAGb333e95fc [2021-11-25 08:03:48,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:03:48,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/sv-benchmarks/c/loop-invgen/nested6.i [2021-11-25 08:03:48,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/data/557336759/c26987faaf494c2fa7e57371277595fc/FLAGb333e95fc [2021-11-25 08:03:48,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/data/557336759/c26987faaf494c2fa7e57371277595fc [2021-11-25 08:03:48,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:03:48,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:03:48,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:03:48,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:03:48,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:03:48,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a05c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48, skipping insertion in model container [2021-11-25 08:03:48,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:03:48,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:03:48,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-11-25 08:03:48,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:03:48,783 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:03:48,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2021-11-25 08:03:48,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:03:48,829 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:03:48,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48 WrapperNode [2021-11-25 08:03:48,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:03:48,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:03:48,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:03:48,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:03:48,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,873 INFO L137 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2021-11-25 08:03:48,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:03:48,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:03:48,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:03:48,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:03:48,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:03:48,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:03:48,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:03:48,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:03:48,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:03:48" (1/1) ... [2021-11-25 08:03:48,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:03:48,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:03:48,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:03:48,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:03:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 08:03:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 08:03:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:03:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:03:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 08:03:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 08:03:49,072 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:03:49,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:03:49,215 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:03:49,252 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:03:49,252 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 08:03:49,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:49 BoogieIcfgContainer [2021-11-25 08:03:49,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:03:49,255 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:03:49,255 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:03:49,265 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:03:49,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:49" (1/1) ... [2021-11-25 08:03:49,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:03:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-25 08:03:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-25 08:03:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 08:03:49,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:49,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:49,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2021-11-25 08:03:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-25 08:03:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 08:03:49,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:49,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2021-11-25 08:03:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-11-25 08:03:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 08:03:49,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:49,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:50,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2021-11-25 08:03:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2021-11-25 08:03:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:03:50,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:50,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2021-11-25 08:03:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-11-25 08:03:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 08:03:50,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:50,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2021-11-25 08:03:50,864 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-25 08:03:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:03:50,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:50,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2021-11-25 08:03:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2021-11-25 08:03:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 08:03:51,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:51,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:03:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2021-11-25 08:03:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-11-25 08:03:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:03:51,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:51,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2021-11-25 08:03:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-25 08:03:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:03:52,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:52,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:03:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2021-11-25 08:03:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-25 08:03:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 08:03:52,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:52,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:03:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2021-11-25 08:03:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-25 08:03:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:03:53,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:53,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2021-11-25 08:03:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2021-11-25 08:03:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:03:54,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:54,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:03:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2021-11-25 08:03:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-11-25 08:03:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:03:54,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:54,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-25 08:03:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2021-11-25 08:03:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2021-11-25 08:03:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 08:03:55,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:55,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 08:03:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2021-11-25 08:03:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2021-11-25 08:03:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:03:55,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:55,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:55,947 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2021-11-25 08:03:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2021-11-25 08:03:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:03:56,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:56,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 08:03:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2021-11-25 08:03:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2021-11-25 08:03:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:03:56,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:56,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:03:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2021-11-25 08:03:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-25 08:03:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 08:03:57,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:57,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 08:03:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2021-11-25 08:03:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-11-25 08:03:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 08:03:57,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:57,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 08:03:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2021-11-25 08:03:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-11-25 08:03:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 08:03:57,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:57,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 08:03:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2021-11-25 08:03:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-11-25 08:03:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 08:03:59,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:59,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 08:04:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2021-11-25 08:04:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2021-11-25 08:04:01,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 08:04:01,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:01,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 08:04:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2021-11-25 08:04:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2021-11-25 08:04:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 08:04:01,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:01,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 08:04:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2021-11-25 08:04:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2021-11-25 08:04:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 08:04:01,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:01,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 08:04:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2021-11-25 08:04:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2021-11-25 08:04:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 08:04:02,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:02,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 08:04:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2021-11-25 08:04:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2021-11-25 08:04:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 08:04:05,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:05,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 08:04:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2021-11-25 08:04:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2021-11-25 08:04:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 08:04:07,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:07,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 08:04:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2021-11-25 08:04:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2021-11-25 08:04:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 08:04:07,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:07,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-25 08:04:08,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2021-11-25 08:04:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2021-11-25 08:04:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 08:04:08,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:08,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-25 08:04:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2021-11-25 08:04:09,488 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-11-25 08:04:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 08:04:09,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:09,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-25 08:04:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2021-11-25 08:04:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2021-11-25 08:04:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 08:04:10,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:10,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-25 08:04:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2021-11-25 08:04:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2021-11-25 08:04:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 08:04:11,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:11,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-25 08:04:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2021-11-25 08:04:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2021-11-25 08:04:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 08:04:11,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:11,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-25 08:04:14,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2021-11-25 08:04:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2021-11-25 08:04:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 08:04:14,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:14,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-25 08:04:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2021-11-25 08:04:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-11-25 08:04:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 08:04:17,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:17,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-25 08:04:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2021-11-25 08:04:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2021-11-25 08:04:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 08:04:18,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:18,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-25 08:04:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 144 states and 274 transitions. [2021-11-25 08:04:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 274 transitions. [2021-11-25 08:04:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 08:04:22,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:22,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-25 08:04:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 150 states and 286 transitions. [2021-11-25 08:04:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 286 transitions. [2021-11-25 08:04:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 08:04:24,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:24,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-25 08:04:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 157 states and 298 transitions. [2021-11-25 08:04:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 298 transitions. [2021-11-25 08:04:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 08:04:26,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:26,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-25 08:04:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 158 states and 299 transitions. [2021-11-25 08:04:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2021-11-25 08:04:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 08:04:27,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:27,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-25 08:04:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 160 states and 302 transitions. [2021-11-25 08:04:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 302 transitions. [2021-11-25 08:04:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 08:04:28,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:28,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 08:04:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 162 states and 310 transitions. [2021-11-25 08:04:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 310 transitions. [2021-11-25 08:04:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 08:04:29,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:29,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-25 08:04:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 168 states and 318 transitions. [2021-11-25 08:04:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 318 transitions. [2021-11-25 08:04:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 08:04:30,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:30,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-25 08:04:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 169 states and 319 transitions. [2021-11-25 08:04:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2021-11-25 08:04:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 08:04:31,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:31,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-25 08:04:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 165 states and 310 transitions. [2021-11-25 08:04:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 310 transitions. [2021-11-25 08:04:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 08:04:31,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:31,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-25 08:04:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 168 states and 317 transitions. [2021-11-25 08:04:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2021-11-25 08:04:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 08:04:32,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:32,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-25 08:04:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 171 states and 323 transitions. [2021-11-25 08:04:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 323 transitions. [2021-11-25 08:04:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 08:04:34,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:34,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-11-25 08:04:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 172 states and 323 transitions. [2021-11-25 08:04:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2021-11-25 08:04:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 08:04:35,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:35,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-11-25 08:04:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 173 states and 323 transitions. [2021-11-25 08:04:36,132 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 323 transitions. [2021-11-25 08:04:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 08:04:36,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:36,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-25 08:04:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 194 states and 369 transitions. [2021-11-25 08:04:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2021-11-25 08:04:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 08:04:43,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:43,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-25 08:04:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 203 states and 382 transitions. [2021-11-25 08:04:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 382 transitions. [2021-11-25 08:04:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 08:04:45,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:45,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-25 08:04:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 204 states and 382 transitions. [2021-11-25 08:04:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 382 transitions. [2021-11-25 08:04:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 08:04:46,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:46,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-11-25 08:04:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 206 states and 392 transitions. [2021-11-25 08:04:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 392 transitions. [2021-11-25 08:04:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 08:04:47,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:47,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-25 08:04:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 213 states and 404 transitions. [2021-11-25 08:04:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 404 transitions. [2021-11-25 08:04:49,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 08:04:49,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:49,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-25 08:04:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 217 states and 410 transitions. [2021-11-25 08:04:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 410 transitions. [2021-11-25 08:04:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-25 08:04:51,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:51,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-25 08:04:55,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 228 states and 439 transitions. [2021-11-25 08:04:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 439 transitions. [2021-11-25 08:04:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-25 08:04:55,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:55,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-25 08:04:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 231 states and 443 transitions. [2021-11-25 08:04:56,606 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 443 transitions. [2021-11-25 08:04:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-25 08:04:56,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:56,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-25 08:04:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 234 states and 449 transitions. [2021-11-25 08:04:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 449 transitions. [2021-11-25 08:04:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 08:04:58,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:58,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-25 08:04:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 238 states and 456 transitions. [2021-11-25 08:04:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 456 transitions. [2021-11-25 08:04:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-25 08:04:59,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:59,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-25 08:05:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 239 states and 457 transitions. [2021-11-25 08:05:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 457 transitions. [2021-11-25 08:05:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 08:05:00,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:00,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-25 08:05:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 243 states and 462 transitions. [2021-11-25 08:05:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 462 transitions. [2021-11-25 08:05:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 08:05:02,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:02,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-25 08:05:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 246 states and 468 transitions. [2021-11-25 08:05:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 468 transitions. [2021-11-25 08:05:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 08:05:05,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:05,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-25 08:05:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 247 states and 468 transitions. [2021-11-25 08:05:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 468 transitions. [2021-11-25 08:05:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 08:05:06,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:06,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 152 proven. 22 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2021-11-25 08:05:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 250 states and 472 transitions. [2021-11-25 08:05:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2021-11-25 08:05:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 08:05:06,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:06,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-25 08:05:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 271 states and 513 transitions. [2021-11-25 08:05:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 513 transitions. [2021-11-25 08:05:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 08:05:15,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:15,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-25 08:05:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 280 states and 530 transitions. [2021-11-25 08:05:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 530 transitions. [2021-11-25 08:05:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 08:05:19,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:19,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-25 08:05:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 281 states and 530 transitions. [2021-11-25 08:05:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 530 transitions. [2021-11-25 08:05:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 08:05:19,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:19,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-11-25 08:05:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 234 states and 397 transitions. [2021-11-25 08:05:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2021-11-25 08:05:20,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 08:05:20,754 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2021-11-25 08:05:20,762 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-25 08:05:22,015 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 08:05:22,019 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 08:05:22,019 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2021-11-25 08:05:22,026 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 08:05:22,026 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 08:05:22,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 08:05:22 ImpRootNode [2021-11-25 08:05:22,027 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 08:05:22,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 08:05:22,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 08:05:22,027 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 08:05:22,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:03:49" (3/4) ... [2021-11-25 08:05:22,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 08:05:22,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-25 08:05:22,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-25 08:05:22,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 08:05:22,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 08:05:22,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 08:05:22,079 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 08:05:22,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 08:05:22,080 INFO L158 Benchmark]: Toolchain (without parser) took 93548.80ms. Allocated memory was 113.2MB in the beginning and 750.8MB in the end (delta: 637.5MB). Free memory was 83.9MB in the beginning and 501.5MB in the end (delta: -417.6MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. [2021-11-25 08:05:22,081 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 70.7MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 08:05:22,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.62ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 83.6MB in the beginning and 114.2MB in the end (delta: -30.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 08:05:22,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.34ms. Allocated memory is still 140.5MB. Free memory was 114.2MB in the beginning and 112.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 08:05:22,083 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 140.5MB. Free memory was 112.5MB in the beginning and 111.7MB in the end (delta: 821.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 08:05:22,083 INFO L158 Benchmark]: RCFGBuilder took 342.50ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 101.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 08:05:22,084 INFO L158 Benchmark]: CodeCheck took 92771.33ms. Allocated memory was 140.5MB in the beginning and 750.8MB in the end (delta: 610.3MB). Free memory was 101.2MB in the beginning and 504.6MB in the end (delta: -403.5MB). Peak memory consumption was 208.9MB. Max. memory is 16.1GB. [2021-11-25 08:05:22,084 INFO L158 Benchmark]: Witness Printer took 52.57ms. Allocated memory is still 750.8MB. Free memory was 504.6MB in the beginning and 501.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 08:05:22,087 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 91.5s, OverallIterations: 68, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18829 SdHoareTripleChecker+Valid, 91.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10899 mSDsluCounter, 5103 SdHoareTripleChecker+Invalid, 75.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3655 mSDsCounter, 19303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66691 IncrementalHoareTripleChecker+Invalid, 85994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19303 mSolverCounterUnsat, 1448 mSDtfsCounter, 66691 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38272 GetRequests, 36131 SyntacticMatches, 1349 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435723 ImplicationChecksByTransitivity, 84.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 4401 NumberOfCodeBlocks, 4401 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 4334 ConstructedInterpolants, 0 QuantifiedInterpolants, 11386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 9 PerfectInterpolantSequences, 11988/13925 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((2 * i <= j && j < 2 * i + 1) || (!(i == 0) && k < j)) || (!(i == 0) && n <= j)) || 2 * i < k) || k < 2 * i) || (i == 0 && j < 2 * i)) || (i == 0 && i + n < k + 1)) || j + 1 < k - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 70.7MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.62ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 83.6MB in the beginning and 114.2MB in the end (delta: -30.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.34ms. Allocated memory is still 140.5MB. Free memory was 114.2MB in the beginning and 112.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 140.5MB. Free memory was 112.5MB in the beginning and 111.7MB in the end (delta: 821.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.50ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 101.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 92771.33ms. Allocated memory was 140.5MB in the beginning and 750.8MB in the end (delta: 610.3MB). Free memory was 101.2MB in the beginning and 504.6MB in the end (delta: -403.5MB). Peak memory consumption was 208.9MB. Max. memory is 16.1GB. * Witness Printer took 52.57ms. Allocated memory is still 750.8MB. Free memory was 504.6MB in the beginning and 501.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 08:05:22,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f3897cb-287c-4b1c-ae33-ba38361ecfbf/bin/ukojak-d1pc8ZmBRL/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