./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer --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 ab22c0365eb274fbdef281fcc68fa9748749388c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:55:01,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:55:01,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:55:01,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:55:01,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:55:01,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:55:01,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:55:01,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:55:01,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:55:01,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:55:01,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:55:01,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:55:01,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:55:01,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:55:01,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:55:01,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:55:01,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:55:01,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:55:01,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:55:01,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:55:01,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:55:01,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:55:01,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:55:01,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:55:01,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:55:01,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:55:01,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:55:01,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:55:01,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:55:01,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:55:01,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:55:01,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:55:01,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:55:01,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:55:01,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:55:01,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:55:01,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:55:01,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:55:01,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:55:01,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:55:01,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:55:01,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 14:55:01,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:55:01,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:55:01,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:55:01,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:55:01,453 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:55:01,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:55:01,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:55:01,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:55:01,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:55:01,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:55:01,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:55:01,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:55:01,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:55:01,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:55:01,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:55:01,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:55:01,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:55:01,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:55:01,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:55:01,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:55:01,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:55:01,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:55:01,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:55:01,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:55:01,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:55:01,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:55:01,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 14:55:01,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:55:01,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:55:01,460 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-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab22c0365eb274fbdef281fcc68fa9748749388c [2020-12-01 14:55:01,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:55:01,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:55:01,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:55:01,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:55:01,734 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:55:01,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2020-12-01 14:55:01,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/data/2a8b7de23/ad881a45d4644bacacdde48e8e2cef80/FLAG86110a49d [2020-12-01 14:55:02,493 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:55:02,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2020-12-01 14:55:02,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/data/2a8b7de23/ad881a45d4644bacacdde48e8e2cef80/FLAG86110a49d [2020-12-01 14:55:02,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/data/2a8b7de23/ad881a45d4644bacacdde48e8e2cef80 [2020-12-01 14:55:02,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:55:02,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:55:02,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:55:02,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:55:02,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:55:02,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:02" (1/1) ... [2020-12-01 14:55:02,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585eeb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:02, skipping insertion in model container [2020-12-01 14:55:02,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:02" (1/1) ... [2020-12-01 14:55:02,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:55:02,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:55:03,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:55:03,424 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:55:03,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:55:03,723 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:55:03,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03 WrapperNode [2020-12-01 14:55:03,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:55:03,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:55:03,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:55:03,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:55:03,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:03,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:03,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:55:03,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:55:03,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:55:03,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:55:03,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:03,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:03,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:03,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:03,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:04,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:04,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... [2020-12-01 14:55:04,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:55:04,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:55:04,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:55:04,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:55:04,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/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 [2020-12-01 14:55:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:55:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:55:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:55:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:55:06,496 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:55:06,497 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 14:55:06,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:06 BoogieIcfgContainer [2020-12-01 14:55:06,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:55:06,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:55:06,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:55:06,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:55:06,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:55:02" (1/3) ... [2020-12-01 14:55:06,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7707c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:55:06, skipping insertion in model container [2020-12-01 14:55:06,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:03" (2/3) ... [2020-12-01 14:55:06,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7707c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:55:06, skipping insertion in model container [2020-12-01 14:55:06,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:06" (3/3) ... [2020-12-01 14:55:06,511 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label22.c [2020-12-01 14:55:06,528 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:55:06,533 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:55:06,547 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:55:06,586 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:55:06,586 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:55:06,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:55:06,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:55:06,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:55:06,587 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:55:06,587 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:55:06,587 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:55:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-12-01 14:55:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 14:55:06,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:06,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:06,632 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:06,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:06,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1133598669, now seen corresponding path program 1 times [2020-12-01 14:55:06,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:06,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041766532] [2020-12-01 14:55:06,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:55:07,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041766532] [2020-12-01 14:55:07,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:07,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:07,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938900475] [2020-12-01 14:55:07,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:07,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:07,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:07,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:07,555 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-12-01 14:55:08,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:08,969 INFO L93 Difference]: Finished difference Result 830 states and 1479 transitions. [2020-12-01 14:55:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:08,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-12-01 14:55:08,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:08,993 INFO L225 Difference]: With dead ends: 830 [2020-12-01 14:55:08,994 INFO L226 Difference]: Without dead ends: 463 [2020-12-01 14:55:08,999 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 [2020-12-01 14:55:09,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-12-01 14:55:09,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2020-12-01 14:55:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-12-01 14:55:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2020-12-01 14:55:09,082 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 167 [2020-12-01 14:55:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:09,084 INFO L481 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2020-12-01 14:55:09,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2020-12-01 14:55:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 14:55:09,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:09,092 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:09,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 14:55:09,093 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:09,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:09,094 INFO L82 PathProgramCache]: Analyzing trace with hash -2002964831, now seen corresponding path program 1 times [2020-12-01 14:55:09,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:09,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036547261] [2020-12-01 14:55:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:55:09,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036547261] [2020-12-01 14:55:09,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:09,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:09,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361570391] [2020-12-01 14:55:09,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:09,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:09,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:09,252 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand 3 states. [2020-12-01 14:55:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:10,350 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2020-12-01 14:55:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:10,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-12-01 14:55:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:10,356 INFO L225 Difference]: With dead ends: 1319 [2020-12-01 14:55:10,356 INFO L226 Difference]: Without dead ends: 872 [2020-12-01 14:55:10,359 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 [2020-12-01 14:55:10,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-12-01 14:55:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2020-12-01 14:55:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-12-01 14:55:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2020-12-01 14:55:10,424 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 172 [2020-12-01 14:55:10,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:10,424 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2020-12-01 14:55:10,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2020-12-01 14:55:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-12-01 14:55:10,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:10,450 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:10,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 14:55:10,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:10,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:10,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1952902673, now seen corresponding path program 1 times [2020-12-01 14:55:10,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:10,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531968026] [2020-12-01 14:55:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 14:55:10,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531968026] [2020-12-01 14:55:10,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:10,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:55:10,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924385696] [2020-12-01 14:55:10,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:10,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:10,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:10,688 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand 3 states. [2020-12-01 14:55:11,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:11,768 INFO L93 Difference]: Finished difference Result 2558 states and 3874 transitions. [2020-12-01 14:55:11,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:11,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-12-01 14:55:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:11,783 INFO L225 Difference]: With dead ends: 2558 [2020-12-01 14:55:11,783 INFO L226 Difference]: Without dead ends: 1690 [2020-12-01 14:55:11,785 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 [2020-12-01 14:55:11,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-12-01 14:55:11,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689. [2020-12-01 14:55:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2020-12-01 14:55:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2379 transitions. [2020-12-01 14:55:11,852 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2379 transitions. Word has length 187 [2020-12-01 14:55:11,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:11,853 INFO L481 AbstractCegarLoop]: Abstraction has 1689 states and 2379 transitions. [2020-12-01 14:55:11,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2379 transitions. [2020-12-01 14:55:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-01 14:55:11,861 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:11,861 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:11,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 14:55:11,862 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:11,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:11,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1067299642, now seen corresponding path program 1 times [2020-12-01 14:55:11,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:11,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427569801] [2020-12-01 14:55:11,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:55:11,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427569801] [2020-12-01 14:55:12,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:12,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:12,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034621959] [2020-12-01 14:55:12,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:12,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:12,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:12,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:12,004 INFO L87 Difference]: Start difference. First operand 1689 states and 2379 transitions. Second operand 3 states. [2020-12-01 14:55:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:13,059 INFO L93 Difference]: Finished difference Result 4823 states and 6844 transitions. [2020-12-01 14:55:13,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:13,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-12-01 14:55:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:13,082 INFO L225 Difference]: With dead ends: 4823 [2020-12-01 14:55:13,082 INFO L226 Difference]: Without dead ends: 3136 [2020-12-01 14:55:13,086 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 [2020-12-01 14:55:13,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3136 states. [2020-12-01 14:55:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3136 to 3114. [2020-12-01 14:55:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-12-01 14:55:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 4420 transitions. [2020-12-01 14:55:13,185 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 4420 transitions. Word has length 193 [2020-12-01 14:55:13,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:13,185 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 4420 transitions. [2020-12-01 14:55:13,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 4420 transitions. [2020-12-01 14:55:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-12-01 14:55:13,193 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:13,194 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:13,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 14:55:13,194 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:13,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:13,195 INFO L82 PathProgramCache]: Analyzing trace with hash 613101378, now seen corresponding path program 1 times [2020-12-01 14:55:13,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:13,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46681038] [2020-12-01 14:55:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 14:55:13,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46681038] [2020-12-01 14:55:13,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:13,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:55:13,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864154648] [2020-12-01 14:55:13,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:13,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:13,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:13,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:13,318 INFO L87 Difference]: Start difference. First operand 3114 states and 4420 transitions. Second operand 3 states. [2020-12-01 14:55:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:14,469 INFO L93 Difference]: Finished difference Result 9071 states and 12882 transitions. [2020-12-01 14:55:14,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:14,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-12-01 14:55:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:14,505 INFO L225 Difference]: With dead ends: 9071 [2020-12-01 14:55:14,505 INFO L226 Difference]: Without dead ends: 5959 [2020-12-01 14:55:14,510 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 [2020-12-01 14:55:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2020-12-01 14:55:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 4738. [2020-12-01 14:55:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4738 states. [2020-12-01 14:55:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 6273 transitions. [2020-12-01 14:55:14,709 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 6273 transitions. Word has length 195 [2020-12-01 14:55:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:14,709 INFO L481 AbstractCegarLoop]: Abstraction has 4738 states and 6273 transitions. [2020-12-01 14:55:14,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 6273 transitions. [2020-12-01 14:55:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 14:55:14,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:14,722 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:14,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 14:55:14,722 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:14,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1672345217, now seen corresponding path program 1 times [2020-12-01 14:55:14,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:14,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503491791] [2020-12-01 14:55:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 14:55:14,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503491791] [2020-12-01 14:55:14,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:14,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:14,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110403925] [2020-12-01 14:55:14,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:14,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:14,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:14,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:14,864 INFO L87 Difference]: Start difference. First operand 4738 states and 6273 transitions. Second operand 3 states. [2020-12-01 14:55:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:15,919 INFO L93 Difference]: Finished difference Result 9475 states and 12546 transitions. [2020-12-01 14:55:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:15,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-12-01 14:55:15,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:15,947 INFO L225 Difference]: With dead ends: 9475 [2020-12-01 14:55:15,947 INFO L226 Difference]: Without dead ends: 4739 [2020-12-01 14:55:15,952 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 [2020-12-01 14:55:15,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states. [2020-12-01 14:55:16,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 4738. [2020-12-01 14:55:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4738 states. [2020-12-01 14:55:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 5972 transitions. [2020-12-01 14:55:16,082 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 5972 transitions. Word has length 201 [2020-12-01 14:55:16,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:16,082 INFO L481 AbstractCegarLoop]: Abstraction has 4738 states and 5972 transitions. [2020-12-01 14:55:16,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 5972 transitions. [2020-12-01 14:55:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 14:55:16,094 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:16,094 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:16,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 14:55:16,095 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:16,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:16,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1484628760, now seen corresponding path program 1 times [2020-12-01 14:55:16,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:16,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337358918] [2020-12-01 14:55:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 14:55:16,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337358918] [2020-12-01 14:55:16,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:16,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:16,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588305213] [2020-12-01 14:55:16,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:16,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:16,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:16,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:16,214 INFO L87 Difference]: Start difference. First operand 4738 states and 5972 transitions. Second operand 3 states. [2020-12-01 14:55:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:16,775 INFO L93 Difference]: Finished difference Result 9442 states and 11899 transitions. [2020-12-01 14:55:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:16,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-12-01 14:55:16,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:16,801 INFO L225 Difference]: With dead ends: 9442 [2020-12-01 14:55:16,801 INFO L226 Difference]: Without dead ends: 4706 [2020-12-01 14:55:16,807 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 [2020-12-01 14:55:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4706 states. [2020-12-01 14:55:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4706 to 4706. [2020-12-01 14:55:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4706 states. [2020-12-01 14:55:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4706 states and 5794 transitions. [2020-12-01 14:55:16,970 INFO L78 Accepts]: Start accepts. Automaton has 4706 states and 5794 transitions. Word has length 215 [2020-12-01 14:55:16,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:16,970 INFO L481 AbstractCegarLoop]: Abstraction has 4706 states and 5794 transitions. [2020-12-01 14:55:16,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 5794 transitions. [2020-12-01 14:55:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-12-01 14:55:16,982 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:16,982 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:16,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 14:55:16,983 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:16,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:16,983 INFO L82 PathProgramCache]: Analyzing trace with hash -4399995, now seen corresponding path program 1 times [2020-12-01 14:55:16,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:16,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654905476] [2020-12-01 14:55:16,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 14:55:17,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654905476] [2020-12-01 14:55:17,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:17,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:17,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186727518] [2020-12-01 14:55:17,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:17,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:17,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:17,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:17,139 INFO L87 Difference]: Start difference. First operand 4706 states and 5794 transitions. Second operand 3 states. [2020-12-01 14:55:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:18,134 INFO L93 Difference]: Finished difference Result 11247 states and 13790 transitions. [2020-12-01 14:55:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:18,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-12-01 14:55:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:18,172 INFO L225 Difference]: With dead ends: 11247 [2020-12-01 14:55:18,172 INFO L226 Difference]: Without dead ends: 6949 [2020-12-01 14:55:18,178 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 [2020-12-01 14:55:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6949 states. [2020-12-01 14:55:18,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6949 to 6948. [2020-12-01 14:55:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6948 states. [2020-12-01 14:55:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6948 states to 6948 states and 8449 transitions. [2020-12-01 14:55:18,327 INFO L78 Accepts]: Start accepts. Automaton has 6948 states and 8449 transitions. Word has length 221 [2020-12-01 14:55:18,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:18,328 INFO L481 AbstractCegarLoop]: Abstraction has 6948 states and 8449 transitions. [2020-12-01 14:55:18,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 6948 states and 8449 transitions. [2020-12-01 14:55:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-12-01 14:55:18,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:18,343 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:18,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 14:55:18,343 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:18,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:18,344 INFO L82 PathProgramCache]: Analyzing trace with hash 210829432, now seen corresponding path program 2 times [2020-12-01 14:55:18,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:18,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692759035] [2020-12-01 14:55:18,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 14:55:18,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692759035] [2020-12-01 14:55:18,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:18,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:55:18,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416836215] [2020-12-01 14:55:18,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:18,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:18,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:18,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:18,462 INFO L87 Difference]: Start difference. First operand 6948 states and 8449 transitions. Second operand 3 states. [2020-12-01 14:55:19,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:19,469 INFO L93 Difference]: Finished difference Result 16736 states and 20585 transitions. [2020-12-01 14:55:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:19,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-12-01 14:55:19,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:19,506 INFO L225 Difference]: With dead ends: 16736 [2020-12-01 14:55:19,508 INFO L226 Difference]: Without dead ends: 10399 [2020-12-01 14:55:19,518 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 [2020-12-01 14:55:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10399 states. [2020-12-01 14:55:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10399 to 10399. [2020-12-01 14:55:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10399 states. [2020-12-01 14:55:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10399 states to 10399 states and 12086 transitions. [2020-12-01 14:55:19,738 INFO L78 Accepts]: Start accepts. Automaton has 10399 states and 12086 transitions. Word has length 228 [2020-12-01 14:55:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:19,740 INFO L481 AbstractCegarLoop]: Abstraction has 10399 states and 12086 transitions. [2020-12-01 14:55:19,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 10399 states and 12086 transitions. [2020-12-01 14:55:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 14:55:19,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:19,760 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:19,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 14:55:19,760 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:19,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1483792844, now seen corresponding path program 1 times [2020-12-01 14:55:19,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:19,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838799435] [2020-12-01 14:55:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 14:55:19,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838799435] [2020-12-01 14:55:19,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542231789] [2020-12-01 14:55:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:20,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 14:55:20,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 14:55:20,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:20,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:55:20,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891259356] [2020-12-01 14:55:20,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:20,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:20,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:20,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:20,533 INFO L87 Difference]: Start difference. First operand 10399 states and 12086 transitions. Second operand 3 states. [2020-12-01 14:55:21,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:21,461 INFO L93 Difference]: Finished difference Result 19169 states and 22241 transitions. [2020-12-01 14:55:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:21,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-12-01 14:55:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:21,480 INFO L225 Difference]: With dead ends: 19169 [2020-12-01 14:55:21,480 INFO L226 Difference]: Without dead ends: 9381 [2020-12-01 14:55:21,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:21,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9381 states. [2020-12-01 14:55:21,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9381 to 7348. [2020-12-01 14:55:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7348 states. [2020-12-01 14:55:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7348 states to 7348 states and 8249 transitions. [2020-12-01 14:55:21,609 INFO L78 Accepts]: Start accepts. Automaton has 7348 states and 8249 transitions. Word has length 235 [2020-12-01 14:55:21,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:21,609 INFO L481 AbstractCegarLoop]: Abstraction has 7348 states and 8249 transitions. [2020-12-01 14:55:21,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 7348 states and 8249 transitions. [2020-12-01 14:55:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 14:55:21,624 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:21,625 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:21,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 14:55:21,838 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:21,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:21,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1376774944, now seen corresponding path program 1 times [2020-12-01 14:55:21,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:21,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545274922] [2020-12-01 14:55:21,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 14:55:22,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545274922] [2020-12-01 14:55:22,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161053410] [2020-12-01 14:55:22,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:22,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:55:22,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 14:55:22,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:22,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:55:22,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010356781] [2020-12-01 14:55:22,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:22,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:22,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:22,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:22,513 INFO L87 Difference]: Start difference. First operand 7348 states and 8249 transitions. Second operand 3 states. [2020-12-01 14:55:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:23,005 INFO L93 Difference]: Finished difference Result 22026 states and 24727 transitions. [2020-12-01 14:55:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:23,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-12-01 14:55:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:23,032 INFO L225 Difference]: With dead ends: 22026 [2020-12-01 14:55:23,032 INFO L226 Difference]: Without dead ends: 14680 [2020-12-01 14:55:23,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14680 states. [2020-12-01 14:55:23,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14680 to 14678. [2020-12-01 14:55:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14678 states. [2020-12-01 14:55:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14678 states to 14678 states and 16282 transitions. [2020-12-01 14:55:23,249 INFO L78 Accepts]: Start accepts. Automaton has 14678 states and 16282 transitions. Word has length 268 [2020-12-01 14:55:23,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:23,250 INFO L481 AbstractCegarLoop]: Abstraction has 14678 states and 16282 transitions. [2020-12-01 14:55:23,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14678 states and 16282 transitions. [2020-12-01 14:55:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-12-01 14:55:23,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:23,278 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 14:55:23,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:23,494 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:23,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1325937073, now seen corresponding path program 1 times [2020-12-01 14:55:23,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:23,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909489489] [2020-12-01 14:55:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 14:55:23,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909489489] [2020-12-01 14:55:23,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:23,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:23,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492252982] [2020-12-01 14:55:23,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:23,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:23,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:23,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:23,767 INFO L87 Difference]: Start difference. First operand 14678 states and 16282 transitions. Second operand 3 states. [2020-12-01 14:55:24,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:24,882 INFO L93 Difference]: Finished difference Result 34045 states and 37778 transitions. [2020-12-01 14:55:24,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:24,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-12-01 14:55:24,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:24,923 INFO L225 Difference]: With dead ends: 34045 [2020-12-01 14:55:24,923 INFO L226 Difference]: Without dead ends: 19369 [2020-12-01 14:55:24,941 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 [2020-12-01 14:55:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19369 states. [2020-12-01 14:55:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19369 to 19367. [2020-12-01 14:55:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19367 states. [2020-12-01 14:55:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19367 states to 19367 states and 21487 transitions. [2020-12-01 14:55:25,219 INFO L78 Accepts]: Start accepts. Automaton has 19367 states and 21487 transitions. Word has length 274 [2020-12-01 14:55:25,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:25,219 INFO L481 AbstractCegarLoop]: Abstraction has 19367 states and 21487 transitions. [2020-12-01 14:55:25,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 19367 states and 21487 transitions. [2020-12-01 14:55:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-12-01 14:55:25,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:25,258 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:25,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 14:55:25,259 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:25,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:25,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1962099652, now seen corresponding path program 1 times [2020-12-01 14:55:25,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:25,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165678288] [2020-12-01 14:55:25,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 14:55:25,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165678288] [2020-12-01 14:55:25,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767462443] [2020-12-01 14:55:25,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:25,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:55:25,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 14:55:25,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:25,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 14:55:25,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34414247] [2020-12-01 14:55:25,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:25,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:25,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:25,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:25,908 INFO L87 Difference]: Start difference. First operand 19367 states and 21487 transitions. Second operand 3 states. [2020-12-01 14:55:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:26,843 INFO L93 Difference]: Finished difference Result 51140 states and 56724 transitions. [2020-12-01 14:55:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:26,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2020-12-01 14:55:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:26,912 INFO L225 Difference]: With dead ends: 51140 [2020-12-01 14:55:26,912 INFO L226 Difference]: Without dead ends: 31775 [2020-12-01 14:55:26,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:26,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31775 states. [2020-12-01 14:55:27,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31775 to 21399. [2020-12-01 14:55:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21399 states. [2020-12-01 14:55:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21399 states to 21399 states and 24025 transitions. [2020-12-01 14:55:27,380 INFO L78 Accepts]: Start accepts. Automaton has 21399 states and 24025 transitions. Word has length 281 [2020-12-01 14:55:27,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:27,380 INFO L481 AbstractCegarLoop]: Abstraction has 21399 states and 24025 transitions. [2020-12-01 14:55:27,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 21399 states and 24025 transitions. [2020-12-01 14:55:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-12-01 14:55:27,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:27,406 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:27,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-01 14:55:27,622 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:27,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:27,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1169207660, now seen corresponding path program 1 times [2020-12-01 14:55:27,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:27,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367205332] [2020-12-01 14:55:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:27,815 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-01 14:55:27,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367205332] [2020-12-01 14:55:27,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122167146] [2020-12-01 14:55:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:28,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 14:55:28,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 14:55:28,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:28,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:55:28,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100758347] [2020-12-01 14:55:28,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:28,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:28,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:28,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:28,361 INFO L87 Difference]: Start difference. First operand 21399 states and 24025 transitions. Second operand 3 states. [2020-12-01 14:55:29,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:29,454 INFO L93 Difference]: Finished difference Result 54185 states and 60669 transitions. [2020-12-01 14:55:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:29,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-12-01 14:55:29,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:29,523 INFO L225 Difference]: With dead ends: 54185 [2020-12-01 14:55:29,524 INFO L226 Difference]: Without dead ends: 32788 [2020-12-01 14:55:29,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32788 states. [2020-12-01 14:55:30,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32788 to 31967. [2020-12-01 14:55:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31967 states. [2020-12-01 14:55:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31967 states to 31967 states and 35429 transitions. [2020-12-01 14:55:30,121 INFO L78 Accepts]: Start accepts. Automaton has 31967 states and 35429 transitions. Word has length 286 [2020-12-01 14:55:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:30,121 INFO L481 AbstractCegarLoop]: Abstraction has 31967 states and 35429 transitions. [2020-12-01 14:55:30,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 31967 states and 35429 transitions. [2020-12-01 14:55:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-12-01 14:55:30,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:30,141 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 14:55:30,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:30,343 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:30,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:30,343 INFO L82 PathProgramCache]: Analyzing trace with hash -763742145, now seen corresponding path program 1 times [2020-12-01 14:55:30,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:30,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705524830] [2020-12-01 14:55:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 14:55:30,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705524830] [2020-12-01 14:55:30,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:30,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:55:30,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403123555] [2020-12-01 14:55:30,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 14:55:30,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:30,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 14:55:30,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 14:55:30,619 INFO L87 Difference]: Start difference. First operand 31967 states and 35429 transitions. Second operand 4 states. [2020-12-01 14:55:32,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:32,350 INFO L93 Difference]: Finished difference Result 65772 states and 72865 transitions. [2020-12-01 14:55:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 14:55:32,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 295 [2020-12-01 14:55:32,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:32,507 INFO L225 Difference]: With dead ends: 65772 [2020-12-01 14:55:32,507 INFO L226 Difference]: Without dead ends: 33807 [2020-12-01 14:55:32,517 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 [2020-12-01 14:55:32,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33807 states. [2020-12-01 14:55:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33807 to 33797. [2020-12-01 14:55:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33797 states. [2020-12-01 14:55:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33797 states to 33797 states and 37316 transitions. [2020-12-01 14:55:32,926 INFO L78 Accepts]: Start accepts. Automaton has 33797 states and 37316 transitions. Word has length 295 [2020-12-01 14:55:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:32,926 INFO L481 AbstractCegarLoop]: Abstraction has 33797 states and 37316 transitions. [2020-12-01 14:55:32,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 14:55:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 33797 states and 37316 transitions. [2020-12-01 14:55:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-12-01 14:55:32,944 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:32,945 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-01 14:55:32,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 14:55:32,945 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:32,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:32,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1657619653, now seen corresponding path program 1 times [2020-12-01 14:55:32,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:32,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781078856] [2020-12-01 14:55:32,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:55:33,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781078856] [2020-12-01 14:55:33,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700327295] [2020-12-01 14:55:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:33,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:55:33,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 14:55:33,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:33,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 14:55:33,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20569729] [2020-12-01 14:55:33,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:33,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:33,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:33,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:33,702 INFO L87 Difference]: Start difference. First operand 33797 states and 37316 transitions. Second operand 3 states. [2020-12-01 14:55:34,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:34,198 INFO L93 Difference]: Finished difference Result 99151 states and 109489 transitions. [2020-12-01 14:55:34,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:34,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-12-01 14:55:34,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:34,268 INFO L225 Difference]: With dead ends: 99151 [2020-12-01 14:55:34,268 INFO L226 Difference]: Without dead ends: 65356 [2020-12-01 14:55:34,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65356 states. [2020-12-01 14:55:35,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65356 to 65353. [2020-12-01 14:55:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65353 states. [2020-12-01 14:55:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65353 states to 65353 states and 72151 transitions. [2020-12-01 14:55:35,181 INFO L78 Accepts]: Start accepts. Automaton has 65353 states and 72151 transitions. Word has length 297 [2020-12-01 14:55:35,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:35,181 INFO L481 AbstractCegarLoop]: Abstraction has 65353 states and 72151 transitions. [2020-12-01 14:55:35,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65353 states and 72151 transitions. [2020-12-01 14:55:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-12-01 14:55:35,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:35,201 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:35,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-01 14:55:35,426 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:35,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:35,427 INFO L82 PathProgramCache]: Analyzing trace with hash -599300828, now seen corresponding path program 1 times [2020-12-01 14:55:35,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:35,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195684762] [2020-12-01 14:55:35,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-12-01 14:55:35,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195684762] [2020-12-01 14:55:35,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:35,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:55:35,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991911056] [2020-12-01 14:55:35,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:35,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:35,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:35,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:55:35,585 INFO L87 Difference]: Start difference. First operand 65353 states and 72151 transitions. Second operand 3 states. [2020-12-01 14:55:37,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:37,268 INFO L93 Difference]: Finished difference Result 168367 states and 186662 transitions. [2020-12-01 14:55:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:37,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-12-01 14:55:37,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:37,394 INFO L225 Difference]: With dead ends: 168367 [2020-12-01 14:55:37,394 INFO L226 Difference]: Without dead ends: 103016 [2020-12-01 14:55:37,436 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 [2020-12-01 14:55:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103016 states. [2020-12-01 14:55:39,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103016 to 102992. [2020-12-01 14:55:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102992 states. [2020-12-01 14:55:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102992 states to 102992 states and 114018 transitions. [2020-12-01 14:55:39,297 INFO L78 Accepts]: Start accepts. Automaton has 102992 states and 114018 transitions. Word has length 303 [2020-12-01 14:55:39,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:39,297 INFO L481 AbstractCegarLoop]: Abstraction has 102992 states and 114018 transitions. [2020-12-01 14:55:39,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:39,298 INFO L276 IsEmpty]: Start isEmpty. Operand 102992 states and 114018 transitions. [2020-12-01 14:55:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-01 14:55:39,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:39,316 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:39,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 14:55:39,316 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:39,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1870553717, now seen corresponding path program 1 times [2020-12-01 14:55:39,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:39,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583109453] [2020-12-01 14:55:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 107 proven. 6 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-12-01 14:55:39,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583109453] [2020-12-01 14:55:39,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911501545] [2020-12-01 14:55:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:39,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:55:39,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-12-01 14:55:40,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:40,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:55:40,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078574869] [2020-12-01 14:55:40,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:40,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:40,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:40,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:40,381 INFO L87 Difference]: Start difference. First operand 102992 states and 114018 transitions. Second operand 3 states. [2020-12-01 14:55:41,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:41,572 INFO L93 Difference]: Finished difference Result 203558 states and 225400 transitions. [2020-12-01 14:55:41,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:41,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-12-01 14:55:41,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:41,693 INFO L225 Difference]: With dead ends: 203558 [2020-12-01 14:55:41,693 INFO L226 Difference]: Without dead ends: 100568 [2020-12-01 14:55:41,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100568 states. [2020-12-01 14:55:43,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100568 to 99338. [2020-12-01 14:55:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99338 states. [2020-12-01 14:55:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99338 states to 99338 states and 109660 transitions. [2020-12-01 14:55:43,686 INFO L78 Accepts]: Start accepts. Automaton has 99338 states and 109660 transitions. Word has length 307 [2020-12-01 14:55:43,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:43,687 INFO L481 AbstractCegarLoop]: Abstraction has 99338 states and 109660 transitions. [2020-12-01 14:55:43,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 99338 states and 109660 transitions. [2020-12-01 14:55:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-12-01 14:55:43,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:43,711 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:55:43,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-01 14:55:43,934 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:43,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:43,935 INFO L82 PathProgramCache]: Analyzing trace with hash 194592960, now seen corresponding path program 1 times [2020-12-01 14:55:43,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:43,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272005381] [2020-12-01 14:55:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-01 14:55:44,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272005381] [2020-12-01 14:55:44,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842706282] [2020-12-01 14:55:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:44,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 14:55:44,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:55:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 14:55:44,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:55:44,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:55:44,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567765074] [2020-12-01 14:55:44,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:55:44,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:44,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:55:44,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:44,742 INFO L87 Difference]: Start difference. First operand 99338 states and 109660 transitions. Second operand 3 states. [2020-12-01 14:55:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:46,294 INFO L93 Difference]: Finished difference Result 213960 states and 236564 transitions. [2020-12-01 14:55:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:55:46,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-12-01 14:55:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:46,295 INFO L225 Difference]: With dead ends: 213960 [2020-12-01 14:55:46,295 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 14:55:46,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:46,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 14:55:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 14:55:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 14:55:46,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 14:55:46,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 308 [2020-12-01 14:55:46,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:46,349 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:55:46,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:55:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:55:46,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 14:55:46,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:55:46,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 14:55:49,710 WARN L197 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 671 DAG size of output: 281 [2020-12-01 14:55:51,340 WARN L197 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 671 DAG size of output: 281 [2020-12-01 14:55:53,692 WARN L197 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 266 DAG size of output: 62 [2020-12-01 14:55:55,809 WARN L197 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 266 DAG size of output: 62 [2020-12-01 14:55:55,811 INFO L262 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-12-01 14:55:55,811 INFO L262 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-12-01 14:55:55,811 INFO L262 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,812 INFO L262 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-12-01 14:55:55,813 INFO L262 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,814 INFO L262 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,815 INFO L262 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-12-01 14:55:55,816 INFO L262 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-12-01 14:55:55,817 INFO L262 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-12-01 14:55:55,818 INFO L262 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 14:55:55,819 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,820 INFO L262 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,821 INFO L262 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,822 INFO L262 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,823 INFO L262 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-12-01 14:55:55,824 INFO L262 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,825 INFO L262 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,826 INFO L262 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-12-01 14:55:55,827 INFO L262 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-12-01 14:55:55,828 INFO L262 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-12-01 14:55:55,829 INFO L262 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-12-01 14:55:55,829 INFO L262 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,829 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,829 INFO L262 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,830 INFO L258 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (<= ~a26~0 0)) (.cse3 (= ~a3~0 0)) (.cse11 (= ~a27~0 1)) (.cse9 (<= 2 ~a3~0)) (.cse0 (= ~a12~0 1)) (.cse4 (= ~a11~0 0)) (.cse7 (= ~a6~0 1)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a26~0 1)) (.cse6 (= ~a11~0 1)) (.cse5 (<= ~a6~0 0)) (.cse8 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse7) (and .cse1 .cse11 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse4 .cse5 .cse8) (and (= ~a10~0 1) .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse1 .cse9 .cse2 .cse4 .cse7) (and .cse11 .cse1 .cse3 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6 .cse5) (and .cse1 .cse11 .cse9 .cse10 .cse4 .cse5) (and .cse10 .cse1 .cse4 .cse5 .cse8) (and .cse1 .cse11 .cse6 .cse5 .cse8) (and .cse1 .cse11 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse3 .cse4 .cse5) (and .cse11 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse6 .cse5) (and .cse1 .cse9 .cse2 .cse6 .cse7) (and .cse9 .cse1 .cse11 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse6) (and .cse0 .cse1 .cse3 .cse4 (<= ~a7~0 0) .cse7) (and .cse9 .cse1 .cse11 .cse4 .cse7) (and (<= ~a10~0 0) .cse0 .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse6 .cse5 .cse8))) [2020-12-01 14:55:55,830 INFO L262 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,830 INFO L262 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,830 INFO L262 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,830 INFO L262 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L265 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,831 INFO L262 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,832 INFO L262 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,833 INFO L262 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-12-01 14:55:55,834 INFO L262 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-12-01 14:55:55,834 INFO L262 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,834 INFO L262 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,834 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-12-01 14:55:55,834 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-12-01 14:55:55,834 INFO L262 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L258 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (<= ~a26~0 0)) (.cse3 (= ~a3~0 0)) (.cse11 (= ~a27~0 1)) (.cse9 (<= 2 ~a3~0)) (.cse0 (= ~a12~0 1)) (.cse4 (= ~a11~0 0)) (.cse7 (= ~a6~0 1)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a26~0 1)) (.cse6 (= ~a11~0 1)) (.cse5 (<= ~a6~0 0)) (.cse8 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse7) (and .cse1 .cse11 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse4 .cse5 .cse8) (and (= ~a10~0 1) .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse1 .cse9 .cse2 .cse4 .cse7) (and .cse11 .cse1 .cse3 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6 .cse5) (and .cse1 .cse11 .cse9 .cse10 .cse4 .cse5) (and .cse10 .cse1 .cse4 .cse5 .cse8) (and .cse1 .cse11 .cse6 .cse5 .cse8) (and .cse1 .cse11 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse3 .cse4 .cse5) (and .cse11 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse6 .cse5) (and .cse1 .cse9 .cse2 .cse6 .cse7) (and .cse9 .cse1 .cse11 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse6) (and .cse0 .cse1 .cse3 .cse4 (<= ~a7~0 0) .cse7) (and .cse9 .cse1 .cse11 .cse4 .cse7) (and (<= ~a10~0 0) .cse0 .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse6 .cse5 .cse8))) [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-12-01 14:55:55,835 INFO L262 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,836 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-12-01 14:55:55,837 INFO L262 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-12-01 14:55:55,838 INFO L262 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,839 INFO L262 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-12-01 14:55:55,840 INFO L262 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,841 INFO L262 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,842 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 14:55:55,843 INFO L262 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-12-01 14:55:55,844 INFO L262 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-12-01 14:55:55,845 INFO L262 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-12-01 14:55:55,845 INFO L262 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,845 INFO L262 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,845 INFO L262 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:55:55,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:55:55 BoogieIcfgContainer [2020-12-01 14:55:55,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:55:55,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:55:55,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:55:55,878 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:55:55,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:06" (3/4) ... [2020-12-01 14:55:55,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 14:55:55,921 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 14:55:55,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 14:55:55,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:55:55,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:55:56,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc0b80ea-52e0-48d1-b2d3-51a90a20c8c9/bin/uautomizer/witness.graphml [2020-12-01 14:55:56,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:55:56,178 INFO L168 Benchmark]: Toolchain (without parser) took 53524.60 ms. Allocated memory was 96.5 MB in the beginning and 10.1 GB in the end (delta: 10.1 GB). Free memory was 37.3 MB in the beginning and 8.8 GB in the end (delta: -8.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,178 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 59.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:55:56,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1070.81 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 37.1 MB in the beginning and 85.4 MB in the end (delta: -48.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.59 ms. Allocated memory is still 123.7 MB. Free memory was 85.4 MB in the beginning and 70.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,179 INFO L168 Benchmark]: Boogie Preprocessor took 141.68 ms. Allocated memory is still 123.7 MB. Free memory was 70.7 MB in the beginning and 60.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,180 INFO L168 Benchmark]: RCFGBuilder took 2459.85 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 60.2 MB in the beginning and 103.0 MB in the end (delta: -42.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,180 INFO L168 Benchmark]: TraceAbstraction took 49374.70 ms. Allocated memory was 165.7 MB in the beginning and 10.1 GB in the end (delta: 10.0 GB). Free memory was 102.0 MB in the beginning and 8.9 GB in the end (delta: -8.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,180 INFO L168 Benchmark]: Witness Printer took 298.90 ms. Allocated memory is still 10.1 GB. Free memory was 8.9 GB in the beginning and 8.8 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:56,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 59.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1070.81 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 37.1 MB in the beginning and 85.4 MB in the end (delta: -48.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.59 ms. Allocated memory is still 123.7 MB. Free memory was 85.4 MB in the beginning and 70.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.68 ms. Allocated memory is still 123.7 MB. Free memory was 70.7 MB in the beginning and 60.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2459.85 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 60.2 MB in the beginning and 103.0 MB in the end (delta: -42.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 49374.70 ms. Allocated memory was 165.7 MB in the beginning and 10.1 GB in the end (delta: 10.0 GB). Free memory was 102.0 MB in the beginning and 8.9 GB in the end (delta: -8.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 298.90 ms. Allocated memory is still 10.1 GB. Free memory was 8.9 GB in the beginning and 8.8 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a12 == 1 && a5 == 1) && a26 == 1) && a3 == 0) && a11 == 0) && a6 <= 0) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a10 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 0) && a6 == 1)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 <= 0)) || ((((a26 <= 0 && a5 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a26 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a6 == 1) && a11 == 1)) || (((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a7 <= 0) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1)) || ((((((a10 <= 0 && a12 == 1) && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 <= 0) && a3 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a12 == 1 && a5 == 1) && a26 == 1) && a3 == 0) && a11 == 0) && a6 <= 0) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a10 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 0) && a6 == 1)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 <= 0)) || ((((a26 <= 0 && a5 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a26 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a6 == 1) && a11 == 1)) || (((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a7 <= 0) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1)) || ((((((a10 <= 0 && a12 == 1) && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 <= 0) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.9s, OverallIterations: 19, TraceHistogramMax: 6, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4081 SDtfs, 3912 SDslu, 831 SDs, 0 SdLazy, 10733 SolverSat, 1896 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2024 GetRequests, 1990 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102992occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 15763 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 943 NumberOfFragments, 1055 HoareAnnotationTreeSize, 3 FomulaSimplifications, 52508 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14112 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 6615 NumberOfCodeBlocks, 6615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 6589 ConstructedInterpolants, 0 QuantifiedInterpolants, 3103907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3939 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 3329/3377 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...