./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c --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_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/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_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/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_543f95e7-1e12-41ce-a36f-e55411631a24/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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:21:19,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:21:19,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:21:19,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:21:19,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:21:19,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:21:19,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:21:19,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:21:19,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:21:19,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:21:19,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:21:19,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:21:19,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:21:19,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:21:19,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:21:19,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:21:19,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:21:19,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:21:19,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:21:19,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:21:19,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:21:19,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:21:19,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:21:19,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:21:19,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:21:19,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:21:19,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:21:19,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:21:19,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:21:19,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:21:19,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:21:19,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:21:19,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:21:19,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:21:19,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:21:19,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:21:19,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:21:19,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:21:19,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:21:19,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:21:19,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:21:19,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:21:19,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:21:19,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:21:19,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:21:19,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:21:19,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:21:19,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:21:19,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:21:19,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:21:19,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:21:19,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:21:19,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:21:19,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:21:19,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:21:19,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:21:19,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:21:19,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:21:19,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:21:19,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:21:19,280 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:21:19,280 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:21:19,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:21:19,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:21:19,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:21:19,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:21:19,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:21:19,282 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:21:19,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:21:19,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:21:19,283 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_543f95e7-1e12-41ce-a36f-e55411631a24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2021-11-13 23:21:19,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:21:19,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:21:19,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:21:19,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:21:19,635 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:21:19,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:21:19,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/data/7e5a214b2/11c9d11cea5e4a2bbcf11518c72097af/FLAG4bd194102 [2021-11-13 23:21:20,353 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:21:20,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:21:20,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/data/7e5a214b2/11c9d11cea5e4a2bbcf11518c72097af/FLAG4bd194102 [2021-11-13 23:21:20,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/data/7e5a214b2/11c9d11cea5e4a2bbcf11518c72097af [2021-11-13 23:21:20,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:21:20,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:21:20,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:21:20,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:21:20,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:21:20,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:20" (1/1) ... [2021-11-13 23:21:20,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bfdf81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:20, skipping insertion in model container [2021-11-13 23:21:20,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:20" (1/1) ... [2021-11-13 23:21:20,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:21:20,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:21:21,017 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_543f95e7-1e12-41ce-a36f-e55411631a24/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-11-13 23:21:21,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:21:21,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:21:21,158 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_543f95e7-1e12-41ce-a36f-e55411631a24/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-11-13 23:21:21,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:21:21,179 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:21:21,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21 WrapperNode [2021-11-13 23:21:21,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:21:21,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:21:21,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:21:21,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:21:21,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:21:21,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:21:21,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:21:21,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:21:21,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:21:21,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:21:21,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:21:21,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:21:21,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:21" (1/1) ... [2021-11-13 23:21:21,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:21:21,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:21:21,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:21:21,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543f95e7-1e12-41ce-a36f-e55411631a24/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:21:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:21:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:21:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:21:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:21:22,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:21:22,809 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:21:22,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:22 BoogieIcfgContainer [2021-11-13 23:21:22,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:21:22,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:21:22,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:21:22,824 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:21:22,825 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:22" (1/1) ... [2021-11-13 23:21:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:21:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-13 23:21:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-13 23:21:22,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:21:22,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:22,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:23,426 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 23:21:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-13 23:21:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-13 23:21:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:21:23,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:23,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:23,977 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 23:21:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-13 23:21:24,503 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-13 23:21:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:21:24,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:24,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:24,822 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 23:21:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-13 23:21:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-13 23:21:25,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:21:25,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:25,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:25,686 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 23:21:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-13 23:21:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-13 23:21:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:21:25,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:25,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:28,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-11-13 23:21:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-11-13 23:21:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:21:34,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:34,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2021-11-13 23:21:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-13 23:21:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:21:38,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:38,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2021-11-13 23:21:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-11-13 23:21:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:21:47,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:47,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2021-11-13 23:21:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2021-11-13 23:21:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:21:48,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:48,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:21:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:58,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2021-11-13 23:21:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2021-11-13 23:21:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:21:58,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:58,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 69 states and 132 transitions. [2021-11-13 23:22:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 132 transitions. [2021-11-13 23:22:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:22:01,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:01,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 79 states and 152 transitions. [2021-11-13 23:22:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 152 transitions. [2021-11-13 23:22:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:22:07,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:07,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:07,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2021-11-13 23:22:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2021-11-13 23:22:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:22:08,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:08,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 82 states and 160 transitions. [2021-11-13 23:22:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 160 transitions. [2021-11-13 23:22:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:22:09,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:09,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 83 states and 160 transitions. [2021-11-13 23:22:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2021-11-13 23:22:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:22:10,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:10,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:22:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 162 transitions. [2021-11-13 23:22:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2021-11-13 23:22:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:22:11,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:11,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 23:22:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2021-11-13 23:22:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2021-11-13 23:22:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:22:12,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:12,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:23:18,890 WARN L227 SmtUtils]: Spent 15.25s on a formula simplification. DAG size of input: 446 DAG size of output: 445 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:23:41,778 WARN L227 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 23:24:14,788 WARN L227 SmtUtils]: Spent 11.72s on a formula simplification. DAG size of input: 484 DAG size of output: 481 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:25:04,160 WARN L227 SmtUtils]: Spent 12.62s on a formula simplification. DAG size of input: 475 DAG size of output: 474 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:25:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:51,434 WARN L227 SmtUtils]: Spent 16.60s on a formula simplification. DAG size of input: 499 DAG size of output: 480 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:25:58,653 WARN L227 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 445 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:26:14,407 WARN L227 SmtUtils]: Spent 15.51s on a formula simplification. DAG size of input: 501 DAG size of output: 490 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:26:22,488 WARN L227 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 481 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:26:30,447 WARN L227 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 491 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:26:48,881 WARN L227 SmtUtils]: Spent 16.70s on a formula simplification. DAG size of input: 501 DAG size of output: 482 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:26:58,948 WARN L227 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 503 DAG size of output: 492 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:27:07,455 WARN L227 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 483 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:27:29,029 WARN L227 SmtUtils]: Spent 15.72s on a formula simplification. DAG size of input: 502 DAG size of output: 483 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:27:41,493 WARN L227 SmtUtils]: Spent 12.21s on a formula simplification. DAG size of input: 504 DAG size of output: 493 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:27:50,072 WARN L227 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 484 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:28:11,546 WARN L227 SmtUtils]: Spent 15.75s on a formula simplification. DAG size of input: 490 DAG size of output: 477 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:28:20,631 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 480 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:28:40,195 WARN L227 SmtUtils]: Spent 19.26s on a formula simplification. DAG size of input: 492 DAG size of output: 477 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:28:49,727 WARN L227 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:28:58,217 WARN L227 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 476 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:29:08,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 23:29:32,536 WARN L227 SmtUtils]: Spent 23.38s on a formula simplification. DAG size of input: 483 DAG size of output: 483 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:29:45,388 WARN L227 SmtUtils]: Spent 10.41s on a formula simplification that was a NOOP. DAG size: 475 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:29:59,521 WARN L227 SmtUtils]: Spent 13.67s on a formula simplification. DAG size of input: 485 DAG size of output: 485 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:30:08,227 WARN L227 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 484 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:30:16,687 WARN L227 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 486 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:30:37,374 WARN L227 SmtUtils]: Spent 20.06s on a formula simplification. DAG size of input: 486 DAG size of output: 486 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:06,837 WARN L227 SmtUtils]: Spent 28.97s on a formula simplification. DAG size of input: 488 DAG size of output: 488 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:13,682 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 487 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:24,455 WARN L227 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:42,444 WARN L227 SmtUtils]: Spent 17.33s on a formula simplification. DAG size of input: 487 DAG size of output: 487 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:58,498 WARN L227 SmtUtils]: Spent 15.66s on a formula simplification. DAG size of input: 489 DAG size of output: 489 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:10,489 WARN L227 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 488 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:20,237 WARN L227 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 490 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:40,538 WARN L227 SmtUtils]: Spent 18.84s on a formula simplification. DAG size of input: 491 DAG size of output: 488 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:33:01,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 23:33:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 110 states and 220 transitions. [2021-11-13 23:33:30,842 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 220 transitions. [2021-11-13 23:33:30,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:33:30,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:30,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat