./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46a2db1fec8e9e16f1004f1f695a701b9eb5f2775a472ee55223b8741ec26ef5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:34:56,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:34:56,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:34:56,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:34:56,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:34:56,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:34:56,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:34:56,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:34:56,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:34:56,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:34:56,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:34:56,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:34:56,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:34:56,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:34:56,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:34:56,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:34:56,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:34:56,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:34:56,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:34:56,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:34:56,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:34:56,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:34:56,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:34:56,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:34:56,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:34:56,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:34:56,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:34:56,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:34:56,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:34:56,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:34:56,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:34:56,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:34:56,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:34:56,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:34:56,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:34:56,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:34:56,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:34:56,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:34:56,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:34:56,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:34:56,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:34:56,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:34:56,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:34:56,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:34:56,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:34:56,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:34:56,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:34:56,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:34:56,902 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:34:56,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:34:56,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:34:56,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:34:56,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:34:56,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:34:56,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:34:56,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:34:56,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:34:56,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:34:56,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:34:56,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:34:56,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:34:56,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:34:56,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:34:56,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:34:56,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:34:56,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:34:56,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:34:56,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:34:56,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:34:56,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:34:56,908 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:34:56,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:34:56,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:34:56,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:34:56,909 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_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46a2db1fec8e9e16f1004f1f695a701b9eb5f2775a472ee55223b8741ec26ef5 [2021-10-28 08:34:57,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:34:57,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:34:57,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:34:57,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:34:57,359 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:34:57,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2021-10-28 08:34:57,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/data/c2f1048ab/3720ccc85f17486fbe8da2652371e245/FLAG166ac7279 [2021-10-28 08:34:58,180 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:34:58,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2021-10-28 08:34:58,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/data/c2f1048ab/3720ccc85f17486fbe8da2652371e245/FLAG166ac7279 [2021-10-28 08:34:58,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/data/c2f1048ab/3720ccc85f17486fbe8da2652371e245 [2021-10-28 08:34:58,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:34:58,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:34:58,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:34:58,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:34:58,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:34:58,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:34:58" (1/1) ... [2021-10-28 08:34:58,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cf76dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:58, skipping insertion in model container [2021-10-28 08:34:58,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:34:58" (1/1) ... [2021-10-28 08:34:58,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:34:58,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:34:58,853 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_021d045b-ec5e-420d-a0f6-0d9845a72b4f/sv-benchmarks/c/eca-rers2012/Problem02_label20.c[16674,16687] [2021-10-28 08:34:58,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:34:58,965 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:34:59,140 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_021d045b-ec5e-420d-a0f6-0d9845a72b4f/sv-benchmarks/c/eca-rers2012/Problem02_label20.c[16674,16687] [2021-10-28 08:34:59,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:34:59,197 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:34:59,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59 WrapperNode [2021-10-28 08:34:59,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:34:59,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:34:59,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:34:59,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:34:59,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:34:59,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:34:59,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:34:59,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:34:59,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:34:59,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:34:59,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:34:59,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:34:59,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (1/1) ... [2021-10-28 08:34:59,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:34:59,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:34:59,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:34:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:34:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:34:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:34:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:34:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:35:01,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:35:01,010 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:35:01,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:01 BoogieIcfgContainer [2021-10-28 08:35:01,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:35:01,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:35:01,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:35:01,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:35:01,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:34:58" (1/3) ... [2021-10-28 08:35:01,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54059ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:35:01, skipping insertion in model container [2021-10-28 08:35:01,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:34:59" (2/3) ... [2021-10-28 08:35:01,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54059ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:35:01, skipping insertion in model container [2021-10-28 08:35:01,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:01" (3/3) ... [2021-10-28 08:35:01,038 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2021-10-28 08:35:01,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:35:01,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:35:01,139 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:35:01,153 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:35:01,154 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:35:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 08:35:01,209 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:01,211 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:01,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:01,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:01,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1124491187, now seen corresponding path program 1 times [2021-10-28 08:35:01,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:01,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539394767] [2021-10-28 08:35:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:01,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:01,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:01,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539394767] [2021-10-28 08:35:01,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539394767] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:01,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:01,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:35:01,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480511088] [2021-10-28 08:35:01,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:01,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:01,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:01,924 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:02,919 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-10-28 08:35:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:02,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-28 08:35:02,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:02,951 INFO L225 Difference]: With dead ends: 596 [2021-10-28 08:35:02,951 INFO L226 Difference]: Without dead ends: 305 [2021-10-28 08:35:02,961 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-28 08:35:03,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-10-28 08:35:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-10-28 08:35:03,041 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 99 [2021-10-28 08:35:03,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:03,043 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-10-28 08:35:03,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-10-28 08:35:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-28 08:35:03,051 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:03,051 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:03,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:35:03,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:03,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1307565321, now seen corresponding path program 1 times [2021-10-28 08:35:03,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:03,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361740849] [2021-10-28 08:35:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:03,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:03,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:03,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361740849] [2021-10-28 08:35:03,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361740849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:03,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:03,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:35:03,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619163319] [2021-10-28 08:35:03,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:03,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:03,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:03,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:03,152 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:03,753 INFO L93 Difference]: Finished difference Result 902 states and 1375 transitions. [2021-10-28 08:35:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-10-28 08:35:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:03,759 INFO L225 Difference]: With dead ends: 902 [2021-10-28 08:35:03,760 INFO L226 Difference]: Without dead ends: 599 [2021-10-28 08:35:03,761 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:03,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-28 08:35:03,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2021-10-28 08:35:03,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.477310924369748) internal successors, (879), 595 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 879 transitions. [2021-10-28 08:35:03,864 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 879 transitions. Word has length 110 [2021-10-28 08:35:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:03,866 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 879 transitions. [2021-10-28 08:35:03,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 879 transitions. [2021-10-28 08:35:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-28 08:35:03,876 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:03,876 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:03,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:35:03,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:03,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:03,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1512496930, now seen corresponding path program 1 times [2021-10-28 08:35:03,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:03,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128639369] [2021-10-28 08:35:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:03,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 08:35:04,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:04,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128639369] [2021-10-28 08:35:04,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128639369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:04,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:04,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:35:04,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579443612] [2021-10-28 08:35:04,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:04,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:04,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:04,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:04,052 INFO L87 Difference]: Start difference. First operand 596 states and 879 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:04,395 INFO L93 Difference]: Finished difference Result 1040 states and 1541 transitions. [2021-10-28 08:35:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:04,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-28 08:35:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:04,402 INFO L225 Difference]: With dead ends: 1040 [2021-10-28 08:35:04,402 INFO L226 Difference]: Without dead ends: 446 [2021-10-28 08:35:04,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:04,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-10-28 08:35:04,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2021-10-28 08:35:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.4247191011235956) internal successors, (634), 445 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2021-10-28 08:35:04,434 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 114 [2021-10-28 08:35:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:04,435 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2021-10-28 08:35:04,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2021-10-28 08:35:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-28 08:35:04,442 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:04,443 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:04,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:35:04,443 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:04,446 INFO L85 PathProgramCache]: Analyzing trace with hash -661756398, now seen corresponding path program 1 times [2021-10-28 08:35:04,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:04,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236550396] [2021-10-28 08:35:04,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:04,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:04,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:04,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236550396] [2021-10-28 08:35:04,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236550396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:04,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:04,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:35:04,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351653409] [2021-10-28 08:35:04,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:04,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:04,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:04,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:04,581 INFO L87 Difference]: Start difference. First operand 446 states and 634 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:05,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:05,104 INFO L93 Difference]: Finished difference Result 1326 states and 1888 transitions. [2021-10-28 08:35:05,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:05,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-28 08:35:05,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:05,118 INFO L225 Difference]: With dead ends: 1326 [2021-10-28 08:35:05,118 INFO L226 Difference]: Without dead ends: 882 [2021-10-28 08:35:05,119 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:05,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-10-28 08:35:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 875. [2021-10-28 08:35:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 874 states have (on average 1.3729977116704806) internal successors, (1200), 874 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1200 transitions. [2021-10-28 08:35:05,154 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1200 transitions. Word has length 117 [2021-10-28 08:35:05,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:05,154 INFO L470 AbstractCegarLoop]: Abstraction has 875 states and 1200 transitions. [2021-10-28 08:35:05,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1200 transitions. [2021-10-28 08:35:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 08:35:05,182 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:05,183 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:05,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:35:05,184 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash -612453497, now seen corresponding path program 1 times [2021-10-28 08:35:05,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:05,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440252161] [2021-10-28 08:35:05,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:05,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:05,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:05,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440252161] [2021-10-28 08:35:05,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440252161] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:05,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:05,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:35:05,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674593617] [2021-10-28 08:35:05,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:05,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:05,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:05,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:05,255 INFO L87 Difference]: Start difference. First operand 875 states and 1200 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:05,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:05,834 INFO L93 Difference]: Finished difference Result 2310 states and 3170 transitions. [2021-10-28 08:35:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:05,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-10-28 08:35:05,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:05,846 INFO L225 Difference]: With dead ends: 2310 [2021-10-28 08:35:05,846 INFO L226 Difference]: Without dead ends: 1437 [2021-10-28 08:35:05,848 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2021-10-28 08:35:05,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1437. [2021-10-28 08:35:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1436 states have (on average 1.2987465181058495) internal successors, (1865), 1436 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1865 transitions. [2021-10-28 08:35:05,901 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1865 transitions. Word has length 121 [2021-10-28 08:35:05,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:05,902 INFO L470 AbstractCegarLoop]: Abstraction has 1437 states and 1865 transitions. [2021-10-28 08:35:05,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1865 transitions. [2021-10-28 08:35:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 08:35:05,907 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:05,907 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:05,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:35:05,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:05,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash 519114652, now seen corresponding path program 1 times [2021-10-28 08:35:05,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:05,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13833128] [2021-10-28 08:35:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:05,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:05,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:05,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13833128] [2021-10-28 08:35:05,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13833128] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:05,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:05,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:35:05,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712622664] [2021-10-28 08:35:05,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:05,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:05,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:05,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:05,961 INFO L87 Difference]: Start difference. First operand 1437 states and 1865 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:06,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:06,559 INFO L93 Difference]: Finished difference Result 3992 states and 5180 transitions. [2021-10-28 08:35:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:06,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-10-28 08:35:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:06,577 INFO L225 Difference]: With dead ends: 3992 [2021-10-28 08:35:06,577 INFO L226 Difference]: Without dead ends: 2557 [2021-10-28 08:35:06,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:06,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2021-10-28 08:35:06,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2557. [2021-10-28 08:35:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 1.2253521126760563) internal successors, (3132), 2556 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:06,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3132 transitions. [2021-10-28 08:35:06,668 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3132 transitions. Word has length 121 [2021-10-28 08:35:06,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:06,669 INFO L470 AbstractCegarLoop]: Abstraction has 2557 states and 3132 transitions. [2021-10-28 08:35:06,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:06,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3132 transitions. [2021-10-28 08:35:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-28 08:35:06,675 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:06,676 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:06,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:35:06,676 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:06,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:06,677 INFO L85 PathProgramCache]: Analyzing trace with hash -671558766, now seen corresponding path program 1 times [2021-10-28 08:35:06,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:06,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336742169] [2021-10-28 08:35:06,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:06,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-28 08:35:06,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:06,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336742169] [2021-10-28 08:35:06,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336742169] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:06,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:06,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:35:06,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698535801] [2021-10-28 08:35:06,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:06,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:06,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:06,723 INFO L87 Difference]: Start difference. First operand 2557 states and 3132 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:07,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:07,278 INFO L93 Difference]: Finished difference Result 4971 states and 6086 transitions. [2021-10-28 08:35:07,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:07,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-28 08:35:07,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:07,295 INFO L225 Difference]: With dead ends: 4971 [2021-10-28 08:35:07,296 INFO L226 Difference]: Without dead ends: 2416 [2021-10-28 08:35:07,300 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:07,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2021-10-28 08:35:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2130. [2021-10-28 08:35:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2129 states have (on average 1.1766087364960076) internal successors, (2505), 2129 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2505 transitions. [2021-10-28 08:35:07,392 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2505 transitions. Word has length 126 [2021-10-28 08:35:07,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:07,393 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 2505 transitions. [2021-10-28 08:35:07,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2505 transitions. [2021-10-28 08:35:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-28 08:35:07,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:07,399 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:07,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:35:07,399 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:07,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1585632305, now seen corresponding path program 1 times [2021-10-28 08:35:07,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:07,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085747530] [2021-10-28 08:35:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:07,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:35:07,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:07,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085747530] [2021-10-28 08:35:07,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085747530] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:35:07,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570145958] [2021-10-28 08:35:07,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:07,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:35:07,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:35:07,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:35:07,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:35:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:07,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:35:07,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:35:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 08:35:08,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570145958] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:08,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:35:08,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 08:35:08,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353747040] [2021-10-28 08:35:08,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:08,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:08,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:35:08,338 INFO L87 Difference]: Start difference. First operand 2130 states and 2505 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:08,935 INFO L93 Difference]: Finished difference Result 4256 states and 5006 transitions. [2021-10-28 08:35:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:08,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-28 08:35:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:08,952 INFO L225 Difference]: With dead ends: 4256 [2021-10-28 08:35:08,953 INFO L226 Difference]: Without dead ends: 2128 [2021-10-28 08:35:08,956 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:35:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2021-10-28 08:35:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2021-10-28 08:35:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2127 states have (on average 1.1259990597085097) internal successors, (2395), 2127 states have internal predecessors, (2395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2395 transitions. [2021-10-28 08:35:09,024 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2395 transitions. Word has length 126 [2021-10-28 08:35:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:09,025 INFO L470 AbstractCegarLoop]: Abstraction has 2128 states and 2395 transitions. [2021-10-28 08:35:09,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2395 transitions. [2021-10-28 08:35:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-28 08:35:09,033 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:09,034 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:09,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 08:35:09,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:35:09,259 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:09,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash 412384218, now seen corresponding path program 1 times [2021-10-28 08:35:09,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:09,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563267283] [2021-10-28 08:35:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:09,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 08:35:09,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:09,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563267283] [2021-10-28 08:35:09,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563267283] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:09,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:09,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:35:09,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895960774] [2021-10-28 08:35:09,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:09,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:09,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:09,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:09,364 INFO L87 Difference]: Start difference. First operand 2128 states and 2395 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:09,957 INFO L93 Difference]: Finished difference Result 3544 states and 3983 transitions. [2021-10-28 08:35:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:09,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2021-10-28 08:35:09,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:09,971 INFO L225 Difference]: With dead ends: 3544 [2021-10-28 08:35:09,971 INFO L226 Difference]: Without dead ends: 1846 [2021-10-28 08:35:09,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:09,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2021-10-28 08:35:10,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2021-10-28 08:35:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1845 states have (on average 1.102439024390244) internal successors, (2034), 1845 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2034 transitions. [2021-10-28 08:35:10,030 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2034 transitions. Word has length 192 [2021-10-28 08:35:10,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:10,031 INFO L470 AbstractCegarLoop]: Abstraction has 1846 states and 2034 transitions. [2021-10-28 08:35:10,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2034 transitions. [2021-10-28 08:35:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-10-28 08:35:10,039 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:35:10,039 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:10,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:35:10,040 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:35:10,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:35:10,041 INFO L85 PathProgramCache]: Analyzing trace with hash -864290925, now seen corresponding path program 1 times [2021-10-28 08:35:10,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:35:10,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649017993] [2021-10-28 08:35:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:35:10,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:35:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:35:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 08:35:10,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:35:10,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649017993] [2021-10-28 08:35:10,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649017993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:35:10,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:35:10,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:35:10,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907250789] [2021-10-28 08:35:10,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:35:10,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:35:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:35:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:10,117 INFO L87 Difference]: Start difference. First operand 1846 states and 2034 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:35:10,621 INFO L93 Difference]: Finished difference Result 4390 states and 4824 transitions. [2021-10-28 08:35:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:35:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2021-10-28 08:35:10,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:35:10,623 INFO L225 Difference]: With dead ends: 4390 [2021-10-28 08:35:10,623 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:35:10,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:35:10,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:35:10,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:35:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:35:10,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2021-10-28 08:35:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:35:10,630 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:35:10,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:35:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:35:10,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:35:10,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:35:10,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:35:10,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:35:10,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:35:10,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:35:10,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:35:11,044 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,045 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,045 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,045 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-28 08:35:11,045 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-28 08:35:11,046 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-28 08:35:11,046 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-28 08:35:11,046 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-28 08:35:11,046 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-28 08:35:11,046 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-28 08:35:11,046 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-28 08:35:11,047 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,047 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,047 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,047 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-28 08:35:11,047 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-28 08:35:11,048 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-28 08:35:11,048 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-28 08:35:11,048 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-28 08:35:11,048 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,048 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,048 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,049 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-28 08:35:11,049 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-28 08:35:11,049 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-28 08:35:11,049 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-28 08:35:11,049 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-28 08:35:11,050 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 08:35:11,050 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-28 08:35:11,050 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-28 08:35:11,050 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-28 08:35:11,050 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-28 08:35:11,050 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,051 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,051 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,051 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-28 08:35:11,051 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-28 08:35:11,051 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-28 08:35:11,052 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-28 08:35:11,052 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-28 08:35:11,052 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-28 08:35:11,052 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-28 08:35:11,052 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,052 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,053 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,053 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-28 08:35:11,053 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-28 08:35:11,053 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-28 08:35:11,053 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-28 08:35:11,054 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-28 08:35:11,054 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-28 08:35:11,054 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-28 08:35:11,054 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,054 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,064 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,064 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-28 08:35:11,065 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-28 08:35:11,066 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 08:35:11,066 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-28 08:35:11,066 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-28 08:35:11,066 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,066 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,067 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,067 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-28 08:35:11,067 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-28 08:35:11,067 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-28 08:35:11,067 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-28 08:35:11,067 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-28 08:35:11,068 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-28 08:35:11,068 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-28 08:35:11,068 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-28 08:35:11,068 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,068 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,069 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,069 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-28 08:35:11,069 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:35:11,069 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-28 08:35:11,069 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-28 08:35:11,069 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 08:35:11,070 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-28 08:35:11,070 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-28 08:35:11,070 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-28 08:35:11,070 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-28 08:35:11,070 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,070 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,071 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,071 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 08:35:11,071 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-28 08:35:11,071 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-28 08:35:11,071 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-28 08:35:11,071 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-28 08:35:11,072 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-28 08:35:11,072 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-28 08:35:11,072 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-28 08:35:11,072 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-28 08:35:11,072 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,072 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,073 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,073 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-28 08:35:11,073 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-28 08:35:11,073 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-28 08:35:11,073 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-28 08:35:11,073 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-28 08:35:11,074 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-28 08:35:11,074 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:35:11,074 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 479) no Hoare annotation was computed. [2021-10-28 08:35:11,074 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,074 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,075 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,075 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-28 08:35:11,075 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-28 08:35:11,075 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-28 08:35:11,075 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-28 08:35:11,075 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-28 08:35:11,076 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-28 08:35:11,076 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-28 08:35:11,076 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-28 08:35:11,076 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,076 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,076 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,077 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-28 08:35:11,077 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-28 08:35:11,077 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-28 08:35:11,077 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-28 08:35:11,077 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-28 08:35:11,078 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,078 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,078 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,078 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-28 08:35:11,078 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-28 08:35:11,085 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-28 08:35:11,086 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-28 08:35:11,086 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-28 08:35:11,086 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-28 08:35:11,087 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-28 08:35:11,087 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-28 08:35:11,087 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-28 08:35:11,087 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-28 08:35:11,087 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-28 08:35:11,088 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,088 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,088 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-28 08:35:11,088 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-28 08:35:11,088 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-28 08:35:11,089 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-28 08:35:11,089 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-28 08:35:11,089 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-28 08:35:11,089 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-28 08:35:11,089 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-28 08:35:11,090 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-28 08:35:11,090 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse7 (<= 9 ~a28~0)) (.cse5 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse2 (<= ~a25~0 0)) (.cse4 (= ~a25~0 1)) (.cse0 (<= ~a28~0 9)) (.cse8 (<= ~a17~0 7)) (.cse3 (<= ~a19~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse4 .cse5 .cse1 .cse3) (and .cse8 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse6) (and .cse7 .cse1 .cse6 .cse2) (and .cse5 (= ~a11~0 0) .cse1 .cse6 .cse2) (and .cse4 .cse0 .cse8 .cse3))) [2021-10-28 08:35:11,091 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,091 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,091 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-28 08:35:11,091 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-28 08:35:11,091 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-28 08:35:11,092 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-28 08:35:11,092 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-28 08:35:11,092 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-28 08:35:11,092 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-28 08:35:11,092 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,093 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,093 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-28 08:35:11,093 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-28 08:35:11,093 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-28 08:35:11,093 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-28 08:35:11,094 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-28 08:35:11,094 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-28 08:35:11,094 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-28 08:35:11,094 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-28 08:35:11,094 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-28 08:35:11,095 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,095 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,095 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-28 08:35:11,095 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-28 08:35:11,096 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-28 08:35:11,096 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-28 08:35:11,096 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:35:11,096 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-28 08:35:11,096 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-28 08:35:11,097 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse7 (<= 9 ~a28~0)) (.cse5 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse2 (<= ~a25~0 0)) (.cse4 (= ~a25~0 1)) (.cse0 (<= ~a28~0 9)) (.cse8 (<= ~a17~0 7)) (.cse3 (<= ~a19~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse6) (and .cse7 .cse4 .cse5 .cse1 .cse3) (and .cse8 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse6) (and .cse7 .cse1 .cse6 .cse2) (and .cse5 (= ~a11~0 0) .cse1 .cse6 .cse2) (and .cse4 .cse0 .cse8 .cse3))) [2021-10-28 08:35:11,097 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,097 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,097 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-28 08:35:11,098 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-28 08:35:11,098 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-28 08:35:11,098 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-28 08:35:11,098 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-28 08:35:11,098 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,099 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,099 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-28 08:35:11,099 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-28 08:35:11,099 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-28 08:35:11,099 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-28 08:35:11,100 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-28 08:35:11,100 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-28 08:35:11,100 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-28 08:35:11,100 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 08:35:11,100 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 08:35:11,101 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,101 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,101 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-28 08:35:11,101 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,101 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:35:11,102 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-28 08:35:11,102 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 08:35:11,102 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-28 08:35:11,102 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-28 08:35:11,102 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-28 08:35:11,103 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-28 08:35:11,103 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,103 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,103 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,103 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-28 08:35:11,104 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-28 08:35:11,104 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-28 08:35:11,104 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-28 08:35:11,104 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-28 08:35:11,104 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,105 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,105 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 08:35:11,105 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-28 08:35:11,105 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-28 08:35:11,105 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-28 08:35:11,106 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-28 08:35:11,106 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-28 08:35:11,106 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-28 08:35:11,110 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:35:11,112 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:35:11,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:35:11 BoogieIcfgContainer [2021-10-28 08:35:11,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:35:11,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:35:11,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:35:11,159 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:35:11,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:35:01" (3/4) ... [2021-10-28 08:35:11,164 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:35:11,202 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 08:35:11,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:35:11,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:35:11,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:35:11,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:35:11,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:35:11,405 INFO L168 Benchmark]: Toolchain (without parser) took 13060.80 ms. Allocated memory was 86.0 MB in the beginning and 176.2 MB in the end (delta: 90.2 MB). Free memory was 64.8 MB in the beginning and 134.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 112.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,405 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:35:11,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.67 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 64.6 MB in the beginning and 78.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.22 ms. Allocated memory is still 117.4 MB. Free memory was 78.0 MB in the beginning and 72.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,407 INFO L168 Benchmark]: Boogie Preprocessor took 102.34 ms. Allocated memory is still 117.4 MB. Free memory was 72.7 MB in the beginning and 68.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,408 INFO L168 Benchmark]: RCFGBuilder took 1580.02 ms. Allocated memory is still 117.4 MB. Free memory was 68.6 MB in the beginning and 61.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,408 INFO L168 Benchmark]: TraceAbstraction took 10142.67 ms. Allocated memory was 117.4 MB in the beginning and 176.2 MB in the end (delta: 58.7 MB). Free memory was 60.7 MB in the beginning and 45.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,409 INFO L168 Benchmark]: Witness Printer took 244.07 ms. Allocated memory is still 176.2 MB. Free memory was 45.4 MB in the beginning and 134.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:35:11,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 852.67 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 64.6 MB in the beginning and 78.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.22 ms. Allocated memory is still 117.4 MB. Free memory was 78.0 MB in the beginning and 72.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.34 ms. Allocated memory is still 117.4 MB. Free memory was 72.7 MB in the beginning and 68.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1580.02 ms. Allocated memory is still 117.4 MB. Free memory was 68.6 MB in the beginning and 61.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10142.67 ms. Allocated memory was 117.4 MB in the beginning and 176.2 MB in the end (delta: 58.7 MB). Free memory was 60.7 MB in the beginning and 45.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. * Witness Printer took 244.07 ms. Allocated memory is still 176.2 MB. Free memory was 45.4 MB in the beginning and 134.5 MB in the end (delta: -89.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 479]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1146 SDtfs, 1410 SDslu, 134 SDs, 0 SdLazy, 3385 SolverSat, 563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2557occurred in iteration=6, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 296 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 217 HoareAnnotationTreeSize, 3 FomulaSimplifications, 564 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 100 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1453 NumberOfCodeBlocks, 1453 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1442 ConstructedInterpolants, 0 QuantifiedInterpolants, 3990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 439/455 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((a28 <= 9 && a17 <= 8) && a25 <= 0) && a19 <= 0) || (((a25 == 1 && 8 <= a17) && a17 <= 8) && a19 == 1)) || ((((9 <= a28 && a25 == 1) && 8 <= a17) && a17 <= 8) && a19 <= 0)) || ((a17 <= 7 && a25 <= 0) && a19 <= 0)) || (((a25 == 1 && a28 <= 9) && a17 <= 8) && a19 == 1)) || (((9 <= a28 && a17 <= 8) && a19 == 1) && a25 <= 0)) || ((((8 <= a17 && a11 == 0) && a17 <= 8) && a19 == 1) && a25 <= 0)) || (((a25 == 1 && a28 <= 9) && a17 <= 7) && a19 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((a28 <= 9 && a17 <= 8) && a25 <= 0) && a19 <= 0) || (((a25 == 1 && 8 <= a17) && a17 <= 8) && a19 == 1)) || ((((9 <= a28 && a25 == 1) && 8 <= a17) && a17 <= 8) && a19 <= 0)) || ((a17 <= 7 && a25 <= 0) && a19 <= 0)) || (((a25 == 1 && a28 <= 9) && a17 <= 8) && a19 == 1)) || (((9 <= a28 && a17 <= 8) && a19 == 1) && a25 <= 0)) || ((((8 <= a17 && a11 == 0) && a17 <= 8) && a19 == 1) && a25 <= 0)) || (((a25 == 1 && a28 <= 9) && a17 <= 7) && a19 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:35:11,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021d045b-ec5e-420d-a0f6-0d9845a72b4f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...