./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e --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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:11:42,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:11:42,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:11:42,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:11:42,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:11:42,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:11:42,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:11:42,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:11:42,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:11:42,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:11:42,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:11:42,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:11:42,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:11:42,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:11:42,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:11:42,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:11:42,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:11:42,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:11:42,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:11:42,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:11:42,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:11:42,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:11:42,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:11:42,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:11:42,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:11:42,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:11:42,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:11:42,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:11:42,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:11:42,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:11:42,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:11:42,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:11:42,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:11:42,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:11:42,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:11:42,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:11:42,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:11:42,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:11:42,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:11:42,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:11:42,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:11:42,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:11:42,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:11:42,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:11:42,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:11:42,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:11:42,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:11:42,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:11:42,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:11:42,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:11:42,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:11:42,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:11:42,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:11:42,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:11:42,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:11:42,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:11:42,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:11:42,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:11:42,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:11:42,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:11:42,246 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:11:42,246 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:11:42,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:11:42,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:11:42,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:11:42,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:11:42,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:11:42,248 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:11:42,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:11:42,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:11:42,249 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_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2021-11-13 23:11:42,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:11:42,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:11:42,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:11:42,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:11:42,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:11:42,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-11-13 23:11:42,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/data/80e605523/0da9ce1d1377459a97ec96019f9833a9/FLAGc6715d458 [2021-11-13 23:11:43,237 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:11:43,238 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2021-11-13 23:11:43,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/data/80e605523/0da9ce1d1377459a97ec96019f9833a9/FLAGc6715d458 [2021-11-13 23:11:43,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/data/80e605523/0da9ce1d1377459a97ec96019f9833a9 [2021-11-13 23:11:43,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:11:43,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:11:43,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:11:43,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:11:43,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:11:43,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:43,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0f78a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43, skipping insertion in model container [2021-11-13 23:11:43,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:43,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:11:43,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:11:43,868 WARN L228 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_8094a852-95fb-444d-bada-cba282384d8a/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-11-13 23:11:43,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:11:43,897 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:11:43,922 WARN L228 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_8094a852-95fb-444d-bada-cba282384d8a/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2021-11-13 23:11:43,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:11:43,948 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:11:43,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43 WrapperNode [2021-11-13 23:11:43,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:11:43,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:11:43,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:11:43,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:11:43,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:43,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:43,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:11:43,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:11:43,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:11:43,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:11:43,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:43,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:11:44,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:11:44,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:11:44,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:11:44,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:43" (1/1) ... [2021-11-13 23:11:44,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:11:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:11:44,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:11:44,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:11:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:11:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:11:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 23:11:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 23:11:44,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:11:44,355 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:11:44,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:44 BoogieIcfgContainer [2021-11-13 23:11:44,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:11:44,359 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:11:44,359 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:11:44,368 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:11:44,369 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:44" (1/1) ... [2021-11-13 23:11:44,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:11:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-11-13 23:11:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-11-13 23:11:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:11:44,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:44,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2021-11-13 23:11:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2021-11-13 23:11:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:11:44,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:44,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2021-11-13 23:11:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2021-11-13 23:11:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:11:44,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:44,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2021-11-13 23:11:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-13 23:11:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:11:45,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:45,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2021-11-13 23:11:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2021-11-13 23:11:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:11:45,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:45,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2021-11-13 23:11:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2021-11-13 23:11:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:11:45,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:45,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2021-11-13 23:11:45,853 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-11-13 23:11:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:11:45,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:45,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2021-11-13 23:11:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-11-13 23:11:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:11:45,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:45,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2021-11-13 23:11:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-11-13 23:11:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:11:46,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2021-11-13 23:11:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-11-13 23:11:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:11:46,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2021-11-13 23:11:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-13 23:11:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:11:46,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2021-11-13 23:11:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2021-11-13 23:11:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:11:46,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2021-11-13 23:11:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-13 23:11:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:11:46,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2021-11-13 23:11:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2021-11-13 23:11:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:11:46,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:11:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2021-11-13 23:11:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2021-11-13 23:11:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:11:46,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2021-11-13 23:11:46,558 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-11-13 23:11:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:11:46,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:46,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:47,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2021-11-13 23:11:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2021-11-13 23:11:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:11:47,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2021-11-13 23:11:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2021-11-13 23:11:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:11:47,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2021-11-13 23:11:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2021-11-13 23:11:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:11:47,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2021-11-13 23:11:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-11-13 23:11:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:11:47,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2021-11-13 23:11:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2021-11-13 23:11:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:11:47,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:47,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:11:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2021-11-13 23:11:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2021-11-13 23:11:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:11:48,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:11:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2021-11-13 23:11:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2021-11-13 23:11:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:11:48,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:11:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2021-11-13 23:11:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2021-11-13 23:11:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:11:48,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:11:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2021-11-13 23:11:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2021-11-13 23:11:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:11:48,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 23:11:48,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2021-11-13 23:11:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2021-11-13 23:11:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:11:48,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:11:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2021-11-13 23:11:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2021-11-13 23:11:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:11:48,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:48,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:11:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2021-11-13 23:11:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2021-11-13 23:11:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:11:49,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:49,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:11:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2021-11-13 23:11:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2021-11-13 23:11:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:11:49,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:49,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:11:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2021-11-13 23:11:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2021-11-13 23:11:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:11:49,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:49,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 23:11:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2021-11-13 23:11:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2021-11-13 23:11:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:11:49,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:49,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-13 23:11:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2021-11-13 23:11:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2021-11-13 23:11:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:11:50,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:11:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2021-11-13 23:11:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2021-11-13 23:11:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:11:50,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:11:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2021-11-13 23:11:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2021-11-13 23:11:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:11:50,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:11:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2021-11-13 23:11:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2021-11-13 23:11:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:11:50,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:11:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2021-11-13 23:11:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2021-11-13 23:11:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:11:50,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:11:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2021-11-13 23:11:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2021-11-13 23:11:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:11:50,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:11:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2021-11-13 23:11:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2021-11-13 23:11:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:11:50,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:50,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-13 23:11:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2021-11-13 23:11:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2021-11-13 23:11:51,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:11:51,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-13 23:11:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2021-11-13 23:11:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2021-11-13 23:11:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:11:51,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-13 23:11:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2021-11-13 23:11:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2021-11-13 23:11:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:11:51,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-13 23:11:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2021-11-13 23:11:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2021-11-13 23:11:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:11:51,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-13 23:11:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2021-11-13 23:11:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2021-11-13 23:11:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:11:51,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-13 23:11:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2021-11-13 23:11:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2021-11-13 23:11:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:11:51,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-13 23:11:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2021-11-13 23:11:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2021-11-13 23:11:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:11:51,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-13 23:11:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2021-11-13 23:11:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2021-11-13 23:11:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:11:51,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:51,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-13 23:11:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2021-11-13 23:11:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2021-11-13 23:11:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:11:52,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:52,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-13 23:11:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2021-11-13 23:11:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2021-11-13 23:11:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:11:52,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:52,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-13 23:11:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2021-11-13 23:11:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2021-11-13 23:11:52,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:11:52,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:52,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 23:11:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2021-11-13 23:11:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2021-11-13 23:11:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:11:52,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:52,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-13 23:11:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2021-11-13 23:11:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2021-11-13 23:11:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 23:11:52,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:52,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-13 23:11:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2021-11-13 23:11:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2021-11-13 23:11:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:11:52,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:52,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-13 23:11:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2021-11-13 23:11:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-11-13 23:11:52,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:11:52,596 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2021-11-13 23:11:52,604 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-13 23:11:52,870 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:11:52,875 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:11:52,875 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:11:52,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:11:52 ImpRootNode [2021-11-13 23:11:52,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:11:52,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:11:52,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:11:52,877 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:11:52,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:44" (3/4) ... [2021-11-13 23:11:52,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:11:52,886 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-13 23:11:52,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-13 23:11:52,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-13 23:11:52,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:11:52,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:11:52,945 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:11:52,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:11:52,946 INFO L158 Benchmark]: Toolchain (without parser) took 9327.13ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 55.5MB in the beginning and 100.6MB in the end (delta: -45.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:11:52,946 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:11:52,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.88ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 65.2MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:11:52,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.52ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 63.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:11:52,948 INFO L158 Benchmark]: Boogie Preprocessor took 24.72ms. Allocated memory is still 90.2MB. Free memory was 63.5MB in the beginning and 62.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:11:52,949 INFO L158 Benchmark]: RCFGBuilder took 343.18ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 51.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:11:52,949 INFO L158 Benchmark]: CodeCheck took 8517.20ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 51.0MB in the beginning and 104.8MB in the end (delta: -53.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2021-11-13 23:11:52,950 INFO L158 Benchmark]: Witness Printer took 68.83ms. Allocated memory is still 132.1MB. Free memory was 103.7MB in the beginning and 100.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:11:52,952 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 53, 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, 12266 SdHoareTripleChecker+Valid, 27055.75ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4065 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 22166.02ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5140 mSDsCounter, 6122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18387 IncrementalHoareTripleChecker+Invalid, 24509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6122 mSolverCounterUnsat, 5060 mSDtfsCounter, 18387 mSolverCounterSat, 754.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22215 GetRequests, 21683 SyntacticMatches, 414 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7927 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 3762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2128/2250 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.88ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 65.2MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.52ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 63.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.72ms. Allocated memory is still 90.2MB. Free memory was 63.5MB in the beginning and 62.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.18ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 51.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8517.20ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 51.0MB in the beginning and 104.8MB in the end (delta: -53.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 68.83ms. Allocated memory is still 132.1MB. Free memory was 103.7MB in the beginning and 100.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:11:53,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094a852-95fb-444d-bada-cba282384d8a/bin/ukojak-2xVlg8857e/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