./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC --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 f1077bb355a584e2f609035802d978c056cb6ae4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:37,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:37,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:37,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:37,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:37,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:37,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:37,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:37,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:37,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:37,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:37,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:37,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:37,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:37,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:37,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:37,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:37,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:37,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:37,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:37,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:37,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:37,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:37,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:37,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:37,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:37,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:37,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:37,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:37,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:37,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:37,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:37,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:37,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:37,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:37,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:37,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:37,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:37,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:37,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:37,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:37,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:37,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:37,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:37,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:37,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:37,666 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:37,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:37,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:37,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:37,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:37,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:37,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:37,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:37,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:37,669 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:37,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:37,669 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:37,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:37,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:37,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:37,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:37,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:37,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:37,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:37,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:37,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:37,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:37,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:37,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:37,672 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_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1077bb355a584e2f609035802d978c056cb6ae4 [2021-10-11 00:27:37,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:37,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:37,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:37,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:37,954 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:37,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-10-11 00:27:38,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/data/b6f176d93/ea986d0723cc4358b3d595f18a7b33df/FLAG89210a926 [2021-10-11 00:27:38,717 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:38,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-10-11 00:27:38,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/data/b6f176d93/ea986d0723cc4358b3d595f18a7b33df/FLAG89210a926 [2021-10-11 00:27:38,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/data/b6f176d93/ea986d0723cc4358b3d595f18a7b33df [2021-10-11 00:27:38,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:38,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:38,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:38,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:38,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:38,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:38" (1/1) ... [2021-10-11 00:27:38,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777590d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:38, skipping insertion in model container [2021-10-11 00:27:38,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:38" (1/1) ... [2021-10-11 00:27:38,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:38,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:39,276 WARN L226 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_e8dd4a34-dc61-4c86-b999-04eb21d0520f/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-10-11 00:27:39,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:39,666 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:39,686 WARN L226 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_e8dd4a34-dc61-4c86-b999-04eb21d0520f/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2021-10-11 00:27:39,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:39,828 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:39,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39 WrapperNode [2021-10-11 00:27:39,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:39,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:39,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:39,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:39,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:39,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:40,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:40,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:40,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:40,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... [2021-10-11 00:27:40,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:40,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:40,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:40,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:40,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:40,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:40,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:42,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:42,144 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:27:42,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:42 BoogieIcfgContainer [2021-10-11 00:27:42,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:42,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:42,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:42,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:42,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:38" (1/3) ... [2021-10-11 00:27:42,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3534eab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:42, skipping insertion in model container [2021-10-11 00:27:42,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:39" (2/3) ... [2021-10-11 00:27:42,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3534eab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:42, skipping insertion in model container [2021-10-11 00:27:42,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:42" (3/3) ... [2021-10-11 00:27:42,157 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2021-10-11 00:27:42,173 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:42,177 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:27:42,187 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:27:42,228 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:42,228 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:42,228 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:42,229 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:42,229 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:42,229 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:42,229 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:42,229 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2021-10-11 00:27:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:27:42,260 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:42,261 INFO L422 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] [2021-10-11 00:27:42,262 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2021-10-11 00:27:42,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:42,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500020851] [2021-10-11 00:27:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:42,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500020851] [2021-10-11 00:27:42,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:42,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:42,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692205301] [2021-10-11 00:27:42,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:42,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:42,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:42,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:42,548 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2021-10-11 00:27:44,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:44,079 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-10-11 00:27:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:44,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:27:44,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:44,096 INFO L225 Difference]: With dead ends: 776 [2021-10-11 00:27:44,108 INFO L226 Difference]: Without dead ends: 413 [2021-10-11 00:27:44,112 INFO L677 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 [2021-10-11 00:27:44,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-11 00:27:44,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-10-11 00:27:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2021-10-11 00:27:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-10-11 00:27:44,189 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 26 [2021-10-11 00:27:44,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:44,190 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-10-11 00:27:44,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-10-11 00:27:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-11 00:27:44,194 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:44,195 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:44,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:44,195 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:44,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:44,196 INFO L82 PathProgramCache]: Analyzing trace with hash -308519566, now seen corresponding path program 1 times [2021-10-11 00:27:44,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:44,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134330415] [2021-10-11 00:27:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:44,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134330415] [2021-10-11 00:27:44,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:44,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:44,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449120476] [2021-10-11 00:27:44,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:44,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:44,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:44,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:44,408 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand 3 states. [2021-10-11 00:27:45,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:45,499 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-10-11 00:27:45,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:45,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2021-10-11 00:27:45,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:45,508 INFO L225 Difference]: With dead ends: 1209 [2021-10-11 00:27:45,509 INFO L226 Difference]: Without dead ends: 800 [2021-10-11 00:27:45,512 INFO L677 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 [2021-10-11 00:27:45,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-11 00:27:45,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-10-11 00:27:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2021-10-11 00:27:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-10-11 00:27:45,563 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 94 [2021-10-11 00:27:45,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:45,563 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-10-11 00:27:45,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-10-11 00:27:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-11 00:27:45,567 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:45,568 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:45,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:45,568 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:45,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1570751308, now seen corresponding path program 1 times [2021-10-11 00:27:45,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:45,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151695556] [2021-10-11 00:27:45,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:45,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151695556] [2021-10-11 00:27:45,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:45,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:45,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114175884] [2021-10-11 00:27:45,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:27:45,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:45,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:27:45,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:27:45,807 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand 4 states. [2021-10-11 00:27:47,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:47,504 INFO L93 Difference]: Finished difference Result 2316 states and 3094 transitions. [2021-10-11 00:27:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:27:47,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2021-10-11 00:27:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:47,516 INFO L225 Difference]: With dead ends: 2316 [2021-10-11 00:27:47,516 INFO L226 Difference]: Without dead ends: 1531 [2021-10-11 00:27:47,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2021-10-11 00:27:47,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1528. [2021-10-11 00:27:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2021-10-11 00:27:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1910 transitions. [2021-10-11 00:27:47,573 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1910 transitions. Word has length 95 [2021-10-11 00:27:47,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:47,573 INFO L481 AbstractCegarLoop]: Abstraction has 1528 states and 1910 transitions. [2021-10-11 00:27:47,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:27:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1910 transitions. [2021-10-11 00:27:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-11 00:27:47,580 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:47,580 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:47,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:27:47,581 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:47,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:47,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1640918838, now seen corresponding path program 1 times [2021-10-11 00:27:47,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:47,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753803058] [2021-10-11 00:27:47,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:47,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753803058] [2021-10-11 00:27:47,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:47,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:47,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277534420] [2021-10-11 00:27:47,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:47,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:47,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:47,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:47,740 INFO L87 Difference]: Start difference. First operand 1528 states and 1910 transitions. Second operand 3 states. [2021-10-11 00:27:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:48,810 INFO L93 Difference]: Finished difference Result 3622 states and 4607 transitions. [2021-10-11 00:27:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:48,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2021-10-11 00:27:48,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:48,829 INFO L225 Difference]: With dead ends: 3622 [2021-10-11 00:27:48,829 INFO L226 Difference]: Without dead ends: 2280 [2021-10-11 00:27:48,832 INFO L677 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 [2021-10-11 00:27:48,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2021-10-11 00:27:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 2085. [2021-10-11 00:27:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2021-10-11 00:27:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2563 transitions. [2021-10-11 00:27:48,891 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2563 transitions. Word has length 138 [2021-10-11 00:27:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:48,893 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2563 transitions. [2021-10-11 00:27:48,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2563 transitions. [2021-10-11 00:27:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-11 00:27:48,903 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:48,903 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:48,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:27:48,904 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:48,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash -935191055, now seen corresponding path program 1 times [2021-10-11 00:27:48,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:48,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596482574] [2021-10-11 00:27:48,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-11 00:27:49,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596482574] [2021-10-11 00:27:49,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:49,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:49,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804294543] [2021-10-11 00:27:49,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:49,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:49,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:49,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:49,139 INFO L87 Difference]: Start difference. First operand 2085 states and 2563 transitions. Second operand 3 states. [2021-10-11 00:27:50,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:50,166 INFO L93 Difference]: Finished difference Result 4911 states and 6160 transitions. [2021-10-11 00:27:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:50,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2021-10-11 00:27:50,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:50,182 INFO L225 Difference]: With dead ends: 4911 [2021-10-11 00:27:50,182 INFO L226 Difference]: Without dead ends: 2828 [2021-10-11 00:27:50,185 INFO L677 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 [2021-10-11 00:27:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2021-10-11 00:27:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2021-10-11 00:27:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2828 states. [2021-10-11 00:27:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3422 transitions. [2021-10-11 00:27:50,244 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3422 transitions. Word has length 169 [2021-10-11 00:27:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:50,245 INFO L481 AbstractCegarLoop]: Abstraction has 2828 states and 3422 transitions. [2021-10-11 00:27:50,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3422 transitions. [2021-10-11 00:27:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-11 00:27:50,249 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:50,249 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-10-11 00:27:50,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:27:50,249 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:50,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:50,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1693187880, now seen corresponding path program 1 times [2021-10-11 00:27:50,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:50,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194958813] [2021-10-11 00:27:50,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-11 00:27:50,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194958813] [2021-10-11 00:27:50,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:50,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:50,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396460371] [2021-10-11 00:27:50,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:50,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:50,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:50,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:50,488 INFO L87 Difference]: Start difference. First operand 2828 states and 3422 transitions. Second operand 3 states. [2021-10-11 00:27:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:51,632 INFO L93 Difference]: Finished difference Result 7334 states and 8972 transitions. [2021-10-11 00:27:51,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:51,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2021-10-11 00:27:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:51,656 INFO L225 Difference]: With dead ends: 7334 [2021-10-11 00:27:51,656 INFO L226 Difference]: Without dead ends: 4508 [2021-10-11 00:27:51,660 INFO L677 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 [2021-10-11 00:27:51,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4508 states. [2021-10-11 00:27:51,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4508 to 4508. [2021-10-11 00:27:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4508 states. [2021-10-11 00:27:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 5418 transitions. [2021-10-11 00:27:51,759 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 5418 transitions. Word has length 207 [2021-10-11 00:27:51,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:51,760 INFO L481 AbstractCegarLoop]: Abstraction has 4508 states and 5418 transitions. [2021-10-11 00:27:51,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 5418 transitions. [2021-10-11 00:27:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-10-11 00:27:51,764 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:51,764 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-10-11 00:27:51,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:27:51,765 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:51,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1390697047, now seen corresponding path program 1 times [2021-10-11 00:27:51,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:51,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285636107] [2021-10-11 00:27:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-11 00:27:51,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285636107] [2021-10-11 00:27:51,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:51,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:51,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000177506] [2021-10-11 00:27:51,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:51,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:51,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:51,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:51,928 INFO L87 Difference]: Start difference. First operand 4508 states and 5418 transitions. Second operand 3 states. [2021-10-11 00:27:53,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:53,066 INFO L93 Difference]: Finished difference Result 10132 states and 12309 transitions. [2021-10-11 00:27:53,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:53,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2021-10-11 00:27:53,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:53,098 INFO L225 Difference]: With dead ends: 10132 [2021-10-11 00:27:53,098 INFO L226 Difference]: Without dead ends: 5626 [2021-10-11 00:27:53,104 INFO L677 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 [2021-10-11 00:27:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5626 states. [2021-10-11 00:27:53,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5626 to 5612. [2021-10-11 00:27:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5612 states. [2021-10-11 00:27:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5612 states to 5612 states and 6636 transitions. [2021-10-11 00:27:53,231 INFO L78 Accepts]: Start accepts. Automaton has 5612 states and 6636 transitions. Word has length 208 [2021-10-11 00:27:53,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:53,232 INFO L481 AbstractCegarLoop]: Abstraction has 5612 states and 6636 transitions. [2021-10-11 00:27:53,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5612 states and 6636 transitions. [2021-10-11 00:27:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-10-11 00:27:53,237 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:53,237 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-10-11 00:27:53,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:27:53,238 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:53,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:53,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1642008009, now seen corresponding path program 1 times [2021-10-11 00:27:53,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:53,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940140031] [2021-10-11 00:27:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-11 00:27:53,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940140031] [2021-10-11 00:27:53,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:53,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:53,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846266354] [2021-10-11 00:27:53,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:53,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:53,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:53,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:53,474 INFO L87 Difference]: Start difference. First operand 5612 states and 6636 transitions. Second operand 3 states. [2021-10-11 00:27:54,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:54,817 INFO L93 Difference]: Finished difference Result 12352 states and 14659 transitions. [2021-10-11 00:27:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:54,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2021-10-11 00:27:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:54,850 INFO L225 Difference]: With dead ends: 12352 [2021-10-11 00:27:54,850 INFO L226 Difference]: Without dead ends: 6742 [2021-10-11 00:27:54,857 INFO L677 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 [2021-10-11 00:27:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2021-10-11 00:27:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6532. [2021-10-11 00:27:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6532 states. [2021-10-11 00:27:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6532 states to 6532 states and 7718 transitions. [2021-10-11 00:27:55,043 INFO L78 Accepts]: Start accepts. Automaton has 6532 states and 7718 transitions. Word has length 228 [2021-10-11 00:27:55,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:55,043 INFO L481 AbstractCegarLoop]: Abstraction has 6532 states and 7718 transitions. [2021-10-11 00:27:55,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 6532 states and 7718 transitions. [2021-10-11 00:27:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-10-11 00:27:55,048 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:55,048 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-10-11 00:27:55,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:27:55,049 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:55,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:55,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1092521934, now seen corresponding path program 1 times [2021-10-11 00:27:55,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:55,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717047537] [2021-10-11 00:27:55,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-11 00:27:55,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717047537] [2021-10-11 00:27:55,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:55,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:55,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194600092] [2021-10-11 00:27:55,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:55,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:55,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:55,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:55,207 INFO L87 Difference]: Start difference. First operand 6532 states and 7718 transitions. Second operand 3 states. [2021-10-11 00:27:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:56,586 INFO L93 Difference]: Finished difference Result 13070 states and 15451 transitions. [2021-10-11 00:27:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:56,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2021-10-11 00:27:56,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:56,632 INFO L225 Difference]: With dead ends: 13070 [2021-10-11 00:27:56,632 INFO L226 Difference]: Without dead ends: 6540 [2021-10-11 00:27:56,640 INFO L677 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 [2021-10-11 00:27:56,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6540 states. [2021-10-11 00:27:56,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6540 to 6347. [2021-10-11 00:27:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6347 states. [2021-10-11 00:27:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6347 states to 6347 states and 7339 transitions. [2021-10-11 00:27:56,755 INFO L78 Accepts]: Start accepts. Automaton has 6347 states and 7339 transitions. Word has length 235 [2021-10-11 00:27:56,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:56,756 INFO L481 AbstractCegarLoop]: Abstraction has 6347 states and 7339 transitions. [2021-10-11 00:27:56,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6347 states and 7339 transitions. [2021-10-11 00:27:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-11 00:27:56,762 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:56,762 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-10-11 00:27:56,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:27:56,763 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:56,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:56,763 INFO L82 PathProgramCache]: Analyzing trace with hash 192944744, now seen corresponding path program 1 times [2021-10-11 00:27:56,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:56,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192477536] [2021-10-11 00:27:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:56,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192477536] [2021-10-11 00:27:56,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:56,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:56,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599618003] [2021-10-11 00:27:56,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:56,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:56,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:56,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:56,995 INFO L87 Difference]: Start difference. First operand 6347 states and 7339 transitions. Second operand 3 states. [2021-10-11 00:27:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:58,184 INFO L93 Difference]: Finished difference Result 16979 states and 19711 transitions. [2021-10-11 00:27:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:58,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2021-10-11 00:27:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:58,209 INFO L225 Difference]: With dead ends: 16979 [2021-10-11 00:27:58,209 INFO L226 Difference]: Without dead ends: 10634 [2021-10-11 00:27:58,218 INFO L677 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 [2021-10-11 00:27:58,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10634 states. [2021-10-11 00:27:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10634 to 10630. [2021-10-11 00:27:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10630 states. [2021-10-11 00:27:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10630 states to 10630 states and 12227 transitions. [2021-10-11 00:27:58,379 INFO L78 Accepts]: Start accepts. Automaton has 10630 states and 12227 transitions. Word has length 244 [2021-10-11 00:27:58,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:58,380 INFO L481 AbstractCegarLoop]: Abstraction has 10630 states and 12227 transitions. [2021-10-11 00:27:58,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 10630 states and 12227 transitions. [2021-10-11 00:27:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-10-11 00:27:58,386 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:58,386 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2021-10-11 00:27:58,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:27:58,386 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:58,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:58,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1616620059, now seen corresponding path program 1 times [2021-10-11 00:27:58,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:58,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766867420] [2021-10-11 00:27:58,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-11 00:27:58,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766867420] [2021-10-11 00:27:58,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:58,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:58,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835265866] [2021-10-11 00:27:58,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:58,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:58,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:58,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:58,622 INFO L87 Difference]: Start difference. First operand 10630 states and 12227 transitions. Second operand 3 states. [2021-10-11 00:27:59,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:59,715 INFO L93 Difference]: Finished difference Result 22184 states and 25682 transitions. [2021-10-11 00:27:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:59,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2021-10-11 00:27:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:59,788 INFO L225 Difference]: With dead ends: 22184 [2021-10-11 00:27:59,789 INFO L226 Difference]: Without dead ends: 11556 [2021-10-11 00:27:59,799 INFO L677 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 [2021-10-11 00:27:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11556 states. [2021-10-11 00:27:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11556 to 10630. [2021-10-11 00:27:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10630 states. [2021-10-11 00:27:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10630 states to 10630 states and 12227 transitions. [2021-10-11 00:27:59,958 INFO L78 Accepts]: Start accepts. Automaton has 10630 states and 12227 transitions. Word has length 258 [2021-10-11 00:27:59,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:59,959 INFO L481 AbstractCegarLoop]: Abstraction has 10630 states and 12227 transitions. [2021-10-11 00:27:59,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 10630 states and 12227 transitions. [2021-10-11 00:27:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-10-11 00:27:59,965 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:59,965 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:59,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:27:59,966 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,966 INFO L82 PathProgramCache]: Analyzing trace with hash 292208959, now seen corresponding path program 1 times [2021-10-11 00:27:59,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879281574] [2021-10-11 00:27:59,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-11 00:28:00,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879281574] [2021-10-11 00:28:00,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:00,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:00,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283290757] [2021-10-11 00:28:00,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:00,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:00,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:00,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:00,225 INFO L87 Difference]: Start difference. First operand 10630 states and 12227 transitions. Second operand 4 states. [2021-10-11 00:28:02,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:02,338 INFO L93 Difference]: Finished difference Result 28468 states and 33277 transitions. [2021-10-11 00:28:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:28:02,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2021-10-11 00:28:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:02,370 INFO L225 Difference]: With dead ends: 28468 [2021-10-11 00:28:02,370 INFO L226 Difference]: Without dead ends: 17840 [2021-10-11 00:28:02,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17840 states. [2021-10-11 00:28:02,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17840 to 17634. [2021-10-11 00:28:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17634 states. [2021-10-11 00:28:02,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17634 states to 17634 states and 20448 transitions. [2021-10-11 00:28:02,697 INFO L78 Accepts]: Start accepts. Automaton has 17634 states and 20448 transitions. Word has length 261 [2021-10-11 00:28:02,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:02,698 INFO L481 AbstractCegarLoop]: Abstraction has 17634 states and 20448 transitions. [2021-10-11 00:28:02,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:02,698 INFO L276 IsEmpty]: Start isEmpty. Operand 17634 states and 20448 transitions. [2021-10-11 00:28:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-10-11 00:28:02,707 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:02,707 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2021-10-11 00:28:02,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:28:02,708 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:02,708 INFO L82 PathProgramCache]: Analyzing trace with hash -271673639, now seen corresponding path program 1 times [2021-10-11 00:28:02,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:02,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344840173] [2021-10-11 00:28:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:02,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344840173] [2021-10-11 00:28:02,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:02,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:02,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951580034] [2021-10-11 00:28:02,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:28:02,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:02,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:28:02,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:02,997 INFO L87 Difference]: Start difference. First operand 17634 states and 20448 transitions. Second operand 4 states. [2021-10-11 00:28:04,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:04,853 INFO L93 Difference]: Finished difference Result 43770 states and 50891 transitions. [2021-10-11 00:28:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:28:04,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2021-10-11 00:28:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:04,912 INFO L225 Difference]: With dead ends: 43770 [2021-10-11 00:28:04,912 INFO L226 Difference]: Without dead ends: 26506 [2021-10-11 00:28:04,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:28:04,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26506 states. [2021-10-11 00:28:05,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26506 to 25584. [2021-10-11 00:28:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25584 states. [2021-10-11 00:28:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25584 states to 25584 states and 29679 transitions. [2021-10-11 00:28:05,411 INFO L78 Accepts]: Start accepts. Automaton has 25584 states and 29679 transitions. Word has length 270 [2021-10-11 00:28:05,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:05,412 INFO L481 AbstractCegarLoop]: Abstraction has 25584 states and 29679 transitions. [2021-10-11 00:28:05,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:28:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 25584 states and 29679 transitions. [2021-10-11 00:28:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-11 00:28:05,432 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:05,433 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:05,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:28:05,433 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:05,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:05,434 INFO L82 PathProgramCache]: Analyzing trace with hash -546638494, now seen corresponding path program 1 times [2021-10-11 00:28:05,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:05,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386248125] [2021-10-11 00:28:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-11 00:28:05,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386248125] [2021-10-11 00:28:05,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:05,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:05,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944281952] [2021-10-11 00:28:05,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:05,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:05,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:05,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:05,768 INFO L87 Difference]: Start difference. First operand 25584 states and 29679 transitions. Second operand 3 states. [2021-10-11 00:28:06,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:06,753 INFO L93 Difference]: Finished difference Result 47223 states and 54894 transitions. [2021-10-11 00:28:06,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:06,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2021-10-11 00:28:06,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:06,800 INFO L225 Difference]: With dead ends: 47223 [2021-10-11 00:28:06,800 INFO L226 Difference]: Without dead ends: 20350 [2021-10-11 00:28:06,814 INFO L677 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 [2021-10-11 00:28:06,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20350 states. [2021-10-11 00:28:07,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20350 to 19426. [2021-10-11 00:28:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19426 states. [2021-10-11 00:28:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19426 states to 19426 states and 21647 transitions. [2021-10-11 00:28:07,188 INFO L78 Accepts]: Start accepts. Automaton has 19426 states and 21647 transitions. Word has length 284 [2021-10-11 00:28:07,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:07,188 INFO L481 AbstractCegarLoop]: Abstraction has 19426 states and 21647 transitions. [2021-10-11 00:28:07,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19426 states and 21647 transitions. [2021-10-11 00:28:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-11 00:28:07,199 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:07,199 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:07,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:28:07,200 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:07,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:07,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1189826963, now seen corresponding path program 1 times [2021-10-11 00:28:07,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:07,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994479063] [2021-10-11 00:28:07,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-10-11 00:28:07,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994479063] [2021-10-11 00:28:07,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:07,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:07,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391428271] [2021-10-11 00:28:07,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:07,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:07,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:07,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:07,386 INFO L87 Difference]: Start difference. First operand 19426 states and 21647 transitions. Second operand 3 states. [2021-10-11 00:28:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:08,410 INFO L93 Difference]: Finished difference Result 39397 states and 43956 transitions. [2021-10-11 00:28:08,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:08,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2021-10-11 00:28:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:08,442 INFO L225 Difference]: With dead ends: 39397 [2021-10-11 00:28:08,442 INFO L226 Difference]: Without dead ends: 22185 [2021-10-11 00:28:08,455 INFO L677 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 [2021-10-11 00:28:08,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22185 states. [2021-10-11 00:28:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22185 to 15737. [2021-10-11 00:28:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15737 states. [2021-10-11 00:28:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15737 states to 15737 states and 17577 transitions. [2021-10-11 00:28:08,768 INFO L78 Accepts]: Start accepts. Automaton has 15737 states and 17577 transitions. Word has length 301 [2021-10-11 00:28:08,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:08,768 INFO L481 AbstractCegarLoop]: Abstraction has 15737 states and 17577 transitions. [2021-10-11 00:28:08,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:08,768 INFO L276 IsEmpty]: Start isEmpty. Operand 15737 states and 17577 transitions. [2021-10-11 00:28:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-11 00:28:08,779 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:08,779 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2021-10-11 00:28:08,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-11 00:28:08,780 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:08,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:08,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1064230659, now seen corresponding path program 1 times [2021-10-11 00:28:08,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:08,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94190142] [2021-10-11 00:28:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:09,027 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-11 00:28:09,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94190142] [2021-10-11 00:28:09,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:09,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:09,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338992147] [2021-10-11 00:28:09,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:09,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:09,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:09,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:09,030 INFO L87 Difference]: Start difference. First operand 15737 states and 17577 transitions. Second operand 3 states. [2021-10-11 00:28:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:10,022 INFO L93 Difference]: Finished difference Result 33496 states and 37507 transitions. [2021-10-11 00:28:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:10,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2021-10-11 00:28:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:10,049 INFO L225 Difference]: With dead ends: 33496 [2021-10-11 00:28:10,049 INFO L226 Difference]: Without dead ends: 18129 [2021-10-11 00:28:10,060 INFO L677 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 [2021-10-11 00:28:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18129 states. [2021-10-11 00:28:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18129 to 15907. [2021-10-11 00:28:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15907 states. [2021-10-11 00:28:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15907 states to 15907 states and 17522 transitions. [2021-10-11 00:28:10,288 INFO L78 Accepts]: Start accepts. Automaton has 15907 states and 17522 transitions. Word has length 301 [2021-10-11 00:28:10,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:10,288 INFO L481 AbstractCegarLoop]: Abstraction has 15907 states and 17522 transitions. [2021-10-11 00:28:10,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 15907 states and 17522 transitions. [2021-10-11 00:28:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-10-11 00:28:10,297 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:10,298 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2021-10-11 00:28:10,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-11 00:28:10,298 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:10,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:10,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1313485887, now seen corresponding path program 1 times [2021-10-11 00:28:10,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:10,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675852298] [2021-10-11 00:28:10,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-11 00:28:10,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675852298] [2021-10-11 00:28:10,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:10,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:28:10,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886206831] [2021-10-11 00:28:10,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:10,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:10,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:10,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:10,552 INFO L87 Difference]: Start difference. First operand 15907 states and 17522 transitions. Second operand 3 states. [2021-10-11 00:28:11,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:11,193 INFO L93 Difference]: Finished difference Result 30696 states and 33815 transitions. [2021-10-11 00:28:11,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:11,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2021-10-11 00:28:11,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:11,212 INFO L225 Difference]: With dead ends: 30696 [2021-10-11 00:28:11,213 INFO L226 Difference]: Without dead ends: 15159 [2021-10-11 00:28:11,221 INFO L677 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 [2021-10-11 00:28:11,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15159 states. [2021-10-11 00:28:11,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15159 to 15157. [2021-10-11 00:28:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15157 states. [2021-10-11 00:28:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15157 states to 15157 states and 16665 transitions. [2021-10-11 00:28:11,497 INFO L78 Accepts]: Start accepts. Automaton has 15157 states and 16665 transitions. Word has length 308 [2021-10-11 00:28:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:11,497 INFO L481 AbstractCegarLoop]: Abstraction has 15157 states and 16665 transitions. [2021-10-11 00:28:11,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 15157 states and 16665 transitions. [2021-10-11 00:28:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-11 00:28:11,505 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:11,506 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2021-10-11 00:28:11,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-11 00:28:11,506 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:11,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:11,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1486952426, now seen corresponding path program 1 times [2021-10-11 00:28:11,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:11,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254839715] [2021-10-11 00:28:11,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-10-11 00:28:11,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254839715] [2021-10-11 00:28:11,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:11,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:11,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716270703] [2021-10-11 00:28:11,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:11,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:11,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:11,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:11,725 INFO L87 Difference]: Start difference. First operand 15157 states and 16665 transitions. Second operand 3 states. [2021-10-11 00:28:12,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:12,926 INFO L93 Difference]: Finished difference Result 33630 states and 37051 transitions. [2021-10-11 00:28:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:12,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2021-10-11 00:28:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:12,943 INFO L225 Difference]: With dead ends: 33630 [2021-10-11 00:28:12,943 INFO L226 Difference]: Without dead ends: 18843 [2021-10-11 00:28:12,952 INFO L677 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 [2021-10-11 00:28:12,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18843 states. [2021-10-11 00:28:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18843 to 16264. [2021-10-11 00:28:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16264 states. [2021-10-11 00:28:13,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16264 states to 16264 states and 17772 transitions. [2021-10-11 00:28:13,172 INFO L78 Accepts]: Start accepts. Automaton has 16264 states and 17772 transitions. Word has length 330 [2021-10-11 00:28:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:13,172 INFO L481 AbstractCegarLoop]: Abstraction has 16264 states and 17772 transitions. [2021-10-11 00:28:13,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 16264 states and 17772 transitions. [2021-10-11 00:28:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-10-11 00:28:13,181 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:13,182 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:13,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-11 00:28:13,182 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:13,183 INFO L82 PathProgramCache]: Analyzing trace with hash -842788195, now seen corresponding path program 1 times [2021-10-11 00:28:13,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:13,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911894353] [2021-10-11 00:28:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-10-11 00:28:13,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911894353] [2021-10-11 00:28:13,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:13,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:13,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516113532] [2021-10-11 00:28:13,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:13,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:13,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:13,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:13,530 INFO L87 Difference]: Start difference. First operand 16264 states and 17772 transitions. Second operand 3 states. [2021-10-11 00:28:14,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:14,715 INFO L93 Difference]: Finished difference Result 33444 states and 36541 transitions. [2021-10-11 00:28:14,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:14,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2021-10-11 00:28:14,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:14,717 INFO L225 Difference]: With dead ends: 33444 [2021-10-11 00:28:14,717 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:28:14,724 INFO L677 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 [2021-10-11 00:28:14,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:28:14,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:28:14,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:28:14,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:14,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2021-10-11 00:28:14,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:14,726 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:14,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:14,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:28:14,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-11 00:28:14,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:28:15,075 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 142 [2021-10-11 00:28:15,368 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 142 [2021-10-11 00:28:16,972 WARN L197 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-10-11 00:28:18,299 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-10-11 00:28:18,303 INFO L262 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-11 00:28:18,303 INFO L262 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,303 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-11 00:28:18,303 INFO L262 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,303 INFO L262 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,303 INFO L262 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,304 INFO L262 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,305 INFO L262 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,305 INFO L262 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,305 INFO L262 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-11 00:28:18,305 INFO L262 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-11 00:28:18,305 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-11 00:28:18,305 INFO L262 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,306 INFO L262 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-11 00:28:18,307 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-11 00:28:18,307 INFO L262 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,307 INFO L262 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,308 INFO L262 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,309 INFO L258 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse8 (= ~a25~0 13)) (.cse10 (<= 130 ~a29~0)) (.cse2 (= ~a25~0 12)) (.cse4 (<= ~a23~0 137)) (.cse5 (= ~a25~0 10)) (.cse11 (<= ~a25~0 10)) (.cse13 (<= ~a29~0 140)) (.cse0 (<= ~a23~0 312)) (.cse3 (= ~a4~0 1)) (.cse12 (<= ~a23~0 138)) (.cse6 (= ~a4~0 0)) (.cse15 (<= 247 ~a29~0)) (.cse9 (= ~a25~0 11)) (.cse16 (<= (+ ~a23~0 599772) 0)) (.cse7 (<= ~a29~0 130)) (.cse1 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse5 .cse1 .cse7) (and .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2) (and .cse8 .cse1 .cse3) (and .cse9 .cse10 .cse1 .cse3) (and .cse4 .cse6 .cse8 .cse1) (and .cse11 (< 306 ~a23~0) .cse10 .cse1 .cse3) (and .cse9 .cse4 .cse6 .cse1) (and .cse9 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse10 .cse3) (and .cse12 .cse11 .cse6 .cse13 .cse1) (and (let ((.cse14 (= ~a3~0 1))) (or (and .cse11 .cse7 (not (= ~a25~0 9)) .cse14) (and .cse2 .cse14))) .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse13 .cse1) (and .cse4 .cse7 .cse2 .cse3) (and .cse11 .cse1 .cse3 .cse15) (and .cse11 .cse12 .cse1 .cse3) (and .cse10 .cse1 .cse2 .cse3) (and (<= 262 ~a29~0) .cse11 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse5 .cse1) (and .cse11 .cse16 .cse7 .cse1) (and .cse11 .cse13 .cse0 .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse1 .cse15) (and .cse9 .cse16 .cse7 .cse1))) [2021-10-11 00:28:18,309 INFO L262 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,309 INFO L262 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-11 00:28:18,309 INFO L262 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L265 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,310 INFO L262 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,311 INFO L262 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,311 INFO L262 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,311 INFO L262 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,311 INFO L262 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,316 INFO L262 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-11 00:28:18,316 INFO L262 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-11 00:28:18,316 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,317 INFO L262 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,318 INFO L262 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,318 INFO L262 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,318 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-11 00:28:18,318 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-11 00:28:18,318 INFO L262 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-11 00:28:18,318 INFO L262 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,319 INFO L258 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse8 (= ~a25~0 13)) (.cse10 (<= 130 ~a29~0)) (.cse2 (= ~a25~0 12)) (.cse4 (<= ~a23~0 137)) (.cse5 (= ~a25~0 10)) (.cse11 (<= ~a25~0 10)) (.cse13 (<= ~a29~0 140)) (.cse0 (<= ~a23~0 312)) (.cse3 (= ~a4~0 1)) (.cse12 (<= ~a23~0 138)) (.cse6 (= ~a4~0 0)) (.cse15 (<= 247 ~a29~0)) (.cse9 (= ~a25~0 11)) (.cse16 (<= (+ ~a23~0 599772) 0)) (.cse7 (<= ~a29~0 130)) (.cse1 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse5 .cse1 .cse7) (and .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2) (and .cse8 .cse1 .cse3) (and .cse9 .cse10 .cse1 .cse3) (and .cse4 .cse6 .cse8 .cse1) (and .cse11 (< 306 ~a23~0) .cse10 .cse1 .cse3) (and .cse9 .cse4 .cse6 .cse1) (and .cse9 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse10 .cse3) (and .cse12 .cse11 .cse6 .cse13 .cse1) (and (let ((.cse14 (= ~a3~0 1))) (or (and .cse11 .cse7 (not (= ~a25~0 9)) .cse14) (and .cse2 .cse14))) .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse13 .cse1) (and .cse4 .cse7 .cse2 .cse3) (and .cse11 .cse1 .cse3 .cse15) (and .cse11 .cse12 .cse1 .cse3) (and .cse10 .cse1 .cse2 .cse3) (and (<= 262 ~a29~0) .cse11 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse5 .cse1) (and .cse11 .cse16 .cse7 .cse1) (and .cse11 .cse13 .cse0 .cse1 .cse3) (and .cse12 .cse9 .cse6 .cse1 .cse15) (and .cse9 .cse16 .cse7 .cse1))) [2021-10-11 00:28:18,319 INFO L262 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-11 00:28:18,320 INFO L262 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,321 INFO L262 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,322 INFO L262 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-11 00:28:18,323 INFO L262 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-11 00:28:18,324 INFO L262 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,325 INFO L262 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-11 00:28:18,326 INFO L262 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,327 INFO L262 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,328 INFO L262 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,329 INFO L262 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-11 00:28:18,330 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-11 00:28:18,331 INFO L262 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,332 INFO L262 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,333 INFO L262 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,334 INFO L262 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,335 INFO L262 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,336 INFO L262 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-11 00:28:18,337 INFO L262 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-11 00:28:18,338 INFO L262 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,338 INFO L262 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,338 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-11 00:28:18,338 INFO L262 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-11 00:28:18,338 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-11 00:28:18,338 INFO L262 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-11 00:28:18,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:18 BoogieIcfgContainer [2021-10-11 00:28:18,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:28:18,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:18,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:18,390 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:18,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:42" (3/4) ... [2021-10-11 00:28:18,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:28:18,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:28:18,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:28:18,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:18,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:18,609 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8dd4a34-dc61-4c86-b999-04eb21d0520f/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:28:18,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:18,610 INFO L168 Benchmark]: Toolchain (without parser) took 39705.78 ms. Allocated memory was 92.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 57.5 MB in the beginning and 1.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 342.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,610 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:18,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 924.00 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 57.2 MB in the beginning and 60.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 211.37 ms. Allocated memory is still 117.4 MB. Free memory was 60.8 MB in the beginning and 83.1 MB in the end (delta: -22.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,611 INFO L168 Benchmark]: Boogie Preprocessor took 111.87 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 72.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,612 INFO L168 Benchmark]: RCFGBuilder took 1992.86 ms. Allocated memory was 117.4 MB in the beginning and 199.2 MB in the end (delta: 81.8 MB). Free memory was 72.6 MB in the beginning and 134.5 MB in the end (delta: -61.9 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,612 INFO L168 Benchmark]: TraceAbstraction took 36240.53 ms. Allocated memory was 199.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 134.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 693.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,612 INFO L168 Benchmark]: Witness Printer took 218.77 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:18,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 49.5 MB in the beginning and 49.4 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 924.00 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 57.2 MB in the beginning and 60.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 211.37 ms. Allocated memory is still 117.4 MB. Free memory was 60.8 MB in the beginning and 83.1 MB in the end (delta: -22.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.87 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 72.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1992.86 ms. Allocated memory was 117.4 MB in the beginning and 199.2 MB in the end (delta: 81.8 MB). Free memory was 72.6 MB in the beginning and 134.5 MB in the end (delta: -61.9 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36240.53 ms. Allocated memory was 199.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 134.5 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 693.3 MB. Max. memory is 16.1 GB. * Witness Printer took 218.77 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 94]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a23 <= 312 && a8 == 15) && a25 == 12) && a4 == 1) || ((a23 <= 137 && a25 == 10) && a4 == 1)) || (((a4 == 0 && a25 == 10) && a8 == 15) && a29 <= 130)) || ((a25 == 10 && a8 == 15) && a4 == 1)) || ((a4 == 0 && a8 == 15) && a25 == 12)) || ((a25 == 13 && a8 == 15) && a4 == 1)) || (((a25 == 11 && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a23 <= 137 && a4 == 0) && a25 == 13) && a8 == 15)) || ((((a25 <= 10 && 306 < a23) && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && 130 <= a29) && a4 == 1)) || ((((a23 <= 138 && a25 <= 10) && a4 == 0) && a29 <= 140) && a8 == 15)) || ((((((a25 <= 10 && a29 <= 130) && !(a25 == 9)) && a3 == 1) || (a25 == 12 && a3 == 1)) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a29 <= 140) && a8 == 15)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((a25 <= 10 && a8 == 15) && a4 == 1) && 247 <= a29)) || (((a25 <= 10 && a23 <= 138) && a8 == 15) && a4 == 1)) || (((130 <= a29 && a8 == 15) && a25 == 12) && a4 == 1)) || ((((262 <= a29 && a25 <= 10) && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a23 <= 137 && a4 == 0) && a25 == 10) && a8 == 15)) || (((a25 <= 10 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15)) || ((((a25 <= 10 && a29 <= 140) && a23 <= 312) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a8 == 15) && 247 <= a29)) || (((a25 == 11 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a23 <= 312 && a8 == 15) && a25 == 12) && a4 == 1) || ((a23 <= 137 && a25 == 10) && a4 == 1)) || (((a4 == 0 && a25 == 10) && a8 == 15) && a29 <= 130)) || ((a25 == 10 && a8 == 15) && a4 == 1)) || ((a4 == 0 && a8 == 15) && a25 == 12)) || ((a25 == 13 && a8 == 15) && a4 == 1)) || (((a25 == 11 && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a23 <= 137 && a4 == 0) && a25 == 13) && a8 == 15)) || ((((a25 <= 10 && 306 < a23) && 130 <= a29) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && a8 == 15) && a4 == 1)) || (((a25 == 11 && a23 <= 137) && 130 <= a29) && a4 == 1)) || ((((a23 <= 138 && a25 <= 10) && a4 == 0) && a29 <= 140) && a8 == 15)) || ((((((a25 <= 10 && a29 <= 130) && !(a25 == 9)) && a3 == 1) || (a25 == 12 && a3 == 1)) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a29 <= 140) && a8 == 15)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((a25 <= 10 && a8 == 15) && a4 == 1) && 247 <= a29)) || (((a25 <= 10 && a23 <= 138) && a8 == 15) && a4 == 1)) || (((130 <= a29 && a8 == 15) && a25 == 12) && a4 == 1)) || ((((262 <= a29 && a25 <= 10) && a23 <= 137) && a4 == 0) && a8 == 15)) || (((a23 <= 137 && a4 == 0) && a25 == 10) && a8 == 15)) || (((a25 <= 10 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15)) || ((((a25 <= 10 && a29 <= 140) && a23 <= 312) && a8 == 15) && a4 == 1)) || ((((a23 <= 138 && a25 == 11) && a4 == 0) && a8 == 15) && 247 <= a29)) || (((a25 == 11 && a23 + 599772 <= 0) && a29 <= 130) && a8 == 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.5s, OverallIterations: 19, TraceHistogramMax: 4, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3678 SDtfs, 3741 SDslu, 477 SDs, 0 SdLazy, 11882 SolverSat, 1897 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25584occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 14863 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 213 NumberOfFragments, 705 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8170 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1578 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4294 NumberOfCodeBlocks, 4294 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4275 ConstructedInterpolants, 0 QuantifiedInterpolants, 1967281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 2755/2755 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...