./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_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_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/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_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/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_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/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 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:25:10,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:25:10,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:25:10,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:25:10,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:25:10,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:25:10,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:25:10,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:25:10,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:25:10,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:25:10,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:25:10,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:25:10,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:25:10,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:25:10,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:25:10,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:25:10,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:25:10,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:25:10,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:25:10,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:25:10,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:25:10,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:25:10,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:25:10,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:25:10,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:25:10,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:25:10,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:25:10,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:25:10,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:25:10,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:25:10,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:25:10,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:25:10,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:25:10,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:25:10,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:25:10,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:25:10,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:25:10,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:25:10,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:25:10,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:25:10,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:25:10,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:25:10,386 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:25:10,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:25:10,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:25:10,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:25:10,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:25:10,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:25:10,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:25:10,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:25:10,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:25:10,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:25:10,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:25:10,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:25:10,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:25:10,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:25:10,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:25:10,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:25:10,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:25:10,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:25:10,392 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:25:10,392 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:25:10,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:25:10,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:25:10,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:25:10,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:25:10,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:25:10,394 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:25:10,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:25:10,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:25:10,394 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_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2021-11-13 23:25:10,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:25:10,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:25:10,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:25:10,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:25:10,696 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:25:10,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:25:10,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/data/8038f1d7a/e47ea1ee5d8d401086870b78bc819c6b/FLAG41216cde9 [2021-11-13 23:25:11,386 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:25:11,387 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:25:11,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/data/8038f1d7a/e47ea1ee5d8d401086870b78bc819c6b/FLAG41216cde9 [2021-11-13 23:25:11,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/data/8038f1d7a/e47ea1ee5d8d401086870b78bc819c6b [2021-11-13 23:25:11,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:25:11,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:25:11,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:25:11,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:25:11,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:25:11,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:11" (1/1) ... [2021-11-13 23:25:11,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711c596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:11, skipping insertion in model container [2021-11-13 23:25:11,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:11" (1/1) ... [2021-11-13 23:25:11,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:25:11,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:25:12,033 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_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-13 23:25:12,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:25:12,058 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:25:12,112 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_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2021-11-13 23:25:12,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:25:12,139 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:25:12,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12 WrapperNode [2021-11-13 23:25:12,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:25:12,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:25:12,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:25:12,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:25:12,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:25:12,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:25:12,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:25:12,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:25:12,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:25:12,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:25:12,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:25:12,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:25:12,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:12" (1/1) ... [2021-11-13 23:25:12,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:25:12,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:25:12,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:25:12,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b587b3e-e99e-43c3-8af5-f9c3e67ea80c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:25:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:25:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:25:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:25:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:25:13,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:25:13,516 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:25:13,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:13 BoogieIcfgContainer [2021-11-13 23:25:13,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:25:13,520 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:25:13,521 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:25:13,533 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:25:13,533 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:13" (1/1) ... [2021-11-13 23:25:13,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:25:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-13 23:25:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-13 23:25:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:25:13,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:13,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:14,188 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 23:25:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-13 23:25:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-13 23:25:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:25:14,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:14,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:14,599 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 23:25:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-13 23:25:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-13 23:25:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:25:15,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:15,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:15,306 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 23:25:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-13 23:25:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-13 23:25:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:25:15,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:15,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:16,022 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 23:25:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-13 23:25:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-13 23:25:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:25:16,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:16,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:17,626 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 23:25:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-11-13 23:25:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-13 23:25:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:25:21,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:21,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:23,290 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 23:25:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2021-11-13 23:25:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-13 23:25:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:25:30,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:30,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:30,915 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 23:25:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2021-11-13 23:25:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-11-13 23:25:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:25:31,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:31,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:32,058 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 23:25:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 102 transitions. [2021-11-13 23:25:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 102 transitions. [2021-11-13 23:25:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:25:36,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:36,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:37,182 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 23:25:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2021-11-13 23:25:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2021-11-13 23:25:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:25:37,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:37,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2021-11-13 23:25:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2021-11-13 23:25:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:25:47,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:47,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 88 states and 185 transitions. [2021-11-13 23:25:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 185 transitions. [2021-11-13 23:25:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:25:59,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:59,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 94 states and 204 transitions. [2021-11-13 23:26:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 204 transitions. [2021-11-13 23:26:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:04,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:04,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:05,359 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 23:26:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 102 states and 224 transitions. [2021-11-13 23:26:09,998 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 224 transitions. [2021-11-13 23:26:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:09,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:09,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 104 states and 227 transitions. [2021-11-13 23:26:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 227 transitions. [2021-11-13 23:26:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:11,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:11,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 105 states and 232 transitions. [2021-11-13 23:26:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 232 transitions. [2021-11-13 23:26:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:13,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:13,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:13,737 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 23:26:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 111 states and 241 transitions. [2021-11-13 23:26:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 241 transitions. [2021-11-13 23:26:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:19,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:19,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:19,240 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 23:26:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 112 states and 242 transitions. [2021-11-13 23:26:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 242 transitions. [2021-11-13 23:26:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:20,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:20,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:20,489 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 23:26:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 113 states and 245 transitions. [2021-11-13 23:26:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 245 transitions. [2021-11-13 23:26:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:21,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:21,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 114 states and 247 transitions. [2021-11-13 23:26:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 247 transitions. [2021-11-13 23:26:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:26:21,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:21,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:22,040 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 23:26:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 114 states and 246 transitions. [2021-11-13 23:26:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 246 transitions. [2021-11-13 23:26:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:26:22,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:22,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:42,692 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 23:27:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 139 states and 318 transitions. [2021-11-13 23:27:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 318 transitions. [2021-11-13 23:27:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:27:52,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:52,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:03,688 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 23:28:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 148 states and 336 transitions. [2021-11-13 23:28:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 336 transitions. [2021-11-13 23:28:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:28:40,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:40,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:51,867 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 23:28:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:28:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 149 states and 336 transitions. [2021-11-13 23:28:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 336 transitions. [2021-11-13 23:28:54,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:28:54,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:28:54,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:28:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:28:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:29:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:29:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 159 states and 372 transitions. [2021-11-13 23:29:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 372 transitions. [2021-11-13 23:29:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:29:07,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:29:07,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:29:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:29:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:30:28,332 WARN L227 SmtUtils]: Spent 8.11s on a formula simplification. DAG size of input: 480 DAG size of output: 421 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:30:52,550 WARN L227 SmtUtils]: Spent 8.01s on a formula simplification. DAG size of input: 486 DAG size of output: 427 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:10,673 WARN L227 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 475 DAG size of output: 436 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:31:36,902 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 478 DAG size of output: 439 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:01,493 WARN L227 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 479 DAG size of output: 440 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:07,570 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 481 DAG size of output: 457 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:32:28,689 WARN L227 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 463 DAG size of output: 397 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:33:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:33:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 179 states and 422 transitions. [2021-11-13 23:33:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 422 transitions. [2021-11-13 23:33:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:33:00,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:33:00,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:33:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:33:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:33:29,488 WARN L227 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 476 DAG size of output: 251 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:34:11,422 WARN L227 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 456 DAG size of output: 420 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 23:35:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:35:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 193 states and 458 transitions. [2021-11-13 23:35:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 458 transitions. [2021-11-13 23:35:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:35:03,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:35:03,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:35:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:35:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 199 states and 475 transitions. [2021-11-13 23:36:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 475 transitions. [2021-11-13 23:36:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:36:02,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:02,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:36,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 202 states and 485 transitions. [2021-11-13 23:36:36,925 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 485 transitions. [2021-11-13 23:36:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:36:36,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:36,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 209 states and 496 transitions. [2021-11-13 23:37:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 496 transitions. [2021-11-13 23:37:06,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:37:06,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:06,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 215 states and 502 transitions. [2021-11-13 23:37:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 502 transitions. [2021-11-13 23:37:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:37:22,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:22,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 216 states and 506 transitions. [2021-11-13 23:37:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 506 transitions. [2021-11-13 23:37:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:37:46,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:46,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:37:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 217 states and 506 transitions. [2021-11-13 23:37:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 506 transitions. [2021-11-13 23:37:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:37:53,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:53,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.