./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/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 0b31065fdad814c3ab451b5631a20e60e8b19141 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:31:57,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:57,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:57,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:57,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:57,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:57,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:57,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:57,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:57,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:57,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:57,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:57,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:57,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:57,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:57,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:57,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:57,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:57,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:57,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:57,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:57,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:57,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:57,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:57,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:57,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:57,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:57,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:57,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:57,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:57,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:57,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:57,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:57,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:57,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:57,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:57,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:57,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:57,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:57,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:57,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:57,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:31:57,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:57,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:57,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:57,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:57,627 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:31:57,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:57,628 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:31:57,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:31:57,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:31:57,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:57,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:31:57,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:31:57,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:31:57,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:31:57,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:57,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:57,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:31:57,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:57,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:31:57,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:31:57,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:31:57,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:31:57,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:57,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:31:57,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:31:57,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:31:57,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:31:57,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:31:57,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:31:57,634 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_39ebec01-0365-4b39-9af1-28b19d56527d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b31065fdad814c3ab451b5631a20e60e8b19141 [2020-11-30 00:31:57,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:57,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:57,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:57,953 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:57,954 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:57,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2020-11-30 00:31:58,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/data/f5b3e3afc/d8971bef89e0483b9bbb8cce3f737f37/FLAGbda22a67d [2020-11-30 00:31:58,831 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:58,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2020-11-30 00:31:58,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/data/f5b3e3afc/d8971bef89e0483b9bbb8cce3f737f37/FLAGbda22a67d [2020-11-30 00:31:58,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/data/f5b3e3afc/d8971bef89e0483b9bbb8cce3f737f37 [2020-11-30 00:31:58,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:58,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:58,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:58,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:58,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:58,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:58" (1/1) ... [2020-11-30 00:31:58,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311f0fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:58, skipping insertion in model container [2020-11-30 00:31:58,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:58" (1/1) ... [2020-11-30 00:31:58,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:59,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:59,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:59,821 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:32:00,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:32:00,026 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:32:00,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00 WrapperNode [2020-11-30 00:32:00,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:32:00,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:32:00,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:32:00,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:32:00,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:32:00,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:32:00,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:32:00,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:32:00,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... [2020-11-30 00:32:00,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:32:00,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:32:00,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:32:00,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:32:00,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/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 [2020-11-30 00:32:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:32:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:32:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:32:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:32:02,837 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:32:02,837 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:32:02,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:02 BoogieIcfgContainer [2020-11-30 00:32:02,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:32:02,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:32:02,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:32:02,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:32:02,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:31:58" (1/3) ... [2020-11-30 00:32:02,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11db4368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:32:02, skipping insertion in model container [2020-11-30 00:32:02,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:00" (2/3) ... [2020-11-30 00:32:02,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11db4368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:32:02, skipping insertion in model container [2020-11-30 00:32:02,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:02" (3/3) ... [2020-11-30 00:32:02,851 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label12.c [2020-11-30 00:32:02,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:32:02,874 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:32:02,888 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:32:02,938 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:32:02,939 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:32:02,939 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:32:02,939 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:32:02,939 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:32:02,940 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:32:02,940 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:32:02,940 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:32:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-30 00:32:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:32:02,981 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:02,982 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] [2020-11-30 00:32:02,983 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:02,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1225036359, now seen corresponding path program 1 times [2020-11-30 00:32:03,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:03,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310884088] [2020-11-30 00:32:03,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:03,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310884088] [2020-11-30 00:32:03,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:03,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:32:03,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890463812] [2020-11-30 00:32:03,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:03,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:03,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:03,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:03,365 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-30 00:32:05,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:05,183 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-11-30 00:32:05,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:05,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-30 00:32:05,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:05,215 INFO L225 Difference]: With dead ends: 770 [2020-11-30 00:32:05,216 INFO L226 Difference]: Without dead ends: 422 [2020-11-30 00:32:05,227 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 [2020-11-30 00:32:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-11-30 00:32:05,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-11-30 00:32:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-11-30 00:32:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-11-30 00:32:05,324 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 25 [2020-11-30 00:32:05,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:05,325 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-11-30 00:32:05,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-11-30 00:32:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-30 00:32:05,330 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:05,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:05,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:32:05,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:05,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:05,332 INFO L82 PathProgramCache]: Analyzing trace with hash -477603335, now seen corresponding path program 1 times [2020-11-30 00:32:05,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:05,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031144643] [2020-11-30 00:32:05,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:05,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031144643] [2020-11-30 00:32:05,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:05,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:32:05,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531462112] [2020-11-30 00:32:05,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:05,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:05,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:05,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:05,617 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-11-30 00:32:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:06,921 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-11-30 00:32:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:06,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-30 00:32:06,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:06,929 INFO L225 Difference]: With dead ends: 1199 [2020-11-30 00:32:06,929 INFO L226 Difference]: Without dead ends: 789 [2020-11-30 00:32:06,931 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 [2020-11-30 00:32:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-11-30 00:32:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-11-30 00:32:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-30 00:32:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-30 00:32:06,982 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 91 [2020-11-30 00:32:06,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:06,983 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-30 00:32:06,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-30 00:32:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-30 00:32:06,988 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:06,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:06,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:32:06,989 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:06,989 INFO L82 PathProgramCache]: Analyzing trace with hash 2028781699, now seen corresponding path program 1 times [2020-11-30 00:32:06,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:06,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545236157] [2020-11-30 00:32:06,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:07,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545236157] [2020-11-30 00:32:07,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:07,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:32:07,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991078402] [2020-11-30 00:32:07,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:07,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:07,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:07,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:07,215 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-30 00:32:08,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:08,431 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-30 00:32:08,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:08,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-11-30 00:32:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:08,443 INFO L225 Difference]: With dead ends: 2314 [2020-11-30 00:32:08,443 INFO L226 Difference]: Without dead ends: 1527 [2020-11-30 00:32:08,445 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 [2020-11-30 00:32:08,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-30 00:32:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-30 00:32:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-30 00:32:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-30 00:32:08,491 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 95 [2020-11-30 00:32:08,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:08,491 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-30 00:32:08,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-30 00:32:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 00:32:08,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:08,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:08,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:32:08,509 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:08,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:08,510 INFO L82 PathProgramCache]: Analyzing trace with hash 671904421, now seen corresponding path program 1 times [2020-11-30 00:32:08,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:08,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673033319] [2020-11-30 00:32:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:08,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673033319] [2020-11-30 00:32:08,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:08,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:08,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825269941] [2020-11-30 00:32:08,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:08,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:08,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:08,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:08,678 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-11-30 00:32:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:10,143 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-11-30 00:32:10,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:10,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-30 00:32:10,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:10,162 INFO L225 Difference]: With dead ends: 3257 [2020-11-30 00:32:10,163 INFO L226 Difference]: Without dead ends: 1917 [2020-11-30 00:32:10,166 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 [2020-11-30 00:32:10,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-11-30 00:32:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-11-30 00:32:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-11-30 00:32:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-11-30 00:32:10,222 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 152 [2020-11-30 00:32:10,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:10,224 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-11-30 00:32:10,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-11-30 00:32:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-30 00:32:10,231 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:10,232 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:32:10,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:32:10,233 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:10,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:10,233 INFO L82 PathProgramCache]: Analyzing trace with hash 574441988, now seen corresponding path program 1 times [2020-11-30 00:32:10,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:10,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083915156] [2020-11-30 00:32:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 00:32:10,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083915156] [2020-11-30 00:32:10,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:10,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:10,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488878810] [2020-11-30 00:32:10,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:10,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:10,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:10,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:10,566 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-11-30 00:32:12,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:12,013 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-11-30 00:32:12,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:12,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-30 00:32:12,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:12,033 INFO L225 Difference]: With dead ends: 4389 [2020-11-30 00:32:12,033 INFO L226 Difference]: Without dead ends: 2661 [2020-11-30 00:32:12,037 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 [2020-11-30 00:32:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-11-30 00:32:12,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-11-30 00:32:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-11-30 00:32:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-11-30 00:32:12,114 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 207 [2020-11-30 00:32:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:12,115 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-11-30 00:32:12,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-11-30 00:32:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 00:32:12,121 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:12,121 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:32:12,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:32:12,122 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:12,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:12,123 INFO L82 PathProgramCache]: Analyzing trace with hash 911121683, now seen corresponding path program 1 times [2020-11-30 00:32:12,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:12,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766028521] [2020-11-30 00:32:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 00:32:12,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766028521] [2020-11-30 00:32:12,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:12,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:12,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192766395] [2020-11-30 00:32:12,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:12,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:12,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:12,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:12,383 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-11-30 00:32:13,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:13,762 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-11-30 00:32:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:13,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-11-30 00:32:13,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:13,788 INFO L225 Difference]: With dead ends: 5862 [2020-11-30 00:32:13,788 INFO L226 Difference]: Without dead ends: 3397 [2020-11-30 00:32:13,792 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 [2020-11-30 00:32:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-11-30 00:32:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-11-30 00:32:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-11-30 00:32:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-11-30 00:32:13,883 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 213 [2020-11-30 00:32:13,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:13,888 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-11-30 00:32:13,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-11-30 00:32:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-11-30 00:32:13,897 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:13,898 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:13,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:32:13,899 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:13,900 INFO L82 PathProgramCache]: Analyzing trace with hash -179535917, now seen corresponding path program 1 times [2020-11-30 00:32:13,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:13,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962273787] [2020-11-30 00:32:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-30 00:32:14,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962273787] [2020-11-30 00:32:14,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:14,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:14,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015906664] [2020-11-30 00:32:14,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:14,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:14,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:14,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:14,213 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-11-30 00:32:15,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:15,542 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-11-30 00:32:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:15,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-11-30 00:32:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:15,563 INFO L225 Difference]: With dead ends: 6788 [2020-11-30 00:32:15,563 INFO L226 Difference]: Without dead ends: 3402 [2020-11-30 00:32:15,569 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 [2020-11-30 00:32:15,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-11-30 00:32:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-11-30 00:32:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-11-30 00:32:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-11-30 00:32:15,653 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 284 [2020-11-30 00:32:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:15,654 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-11-30 00:32:15,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-11-30 00:32:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-11-30 00:32:15,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:15,663 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:15,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:32:15,664 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:15,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:15,664 INFO L82 PathProgramCache]: Analyzing trace with hash -346193517, now seen corresponding path program 1 times [2020-11-30 00:32:15,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:15,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939131986] [2020-11-30 00:32:15,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-30 00:32:15,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939131986] [2020-11-30 00:32:15,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:15,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:15,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416290589] [2020-11-30 00:32:15,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:15,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:15,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:15,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:15,954 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-11-30 00:32:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:17,211 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-11-30 00:32:17,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:17,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2020-11-30 00:32:17,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:17,233 INFO L225 Difference]: With dead ends: 6015 [2020-11-30 00:32:17,233 INFO L226 Difference]: Without dead ends: 2997 [2020-11-30 00:32:17,237 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 [2020-11-30 00:32:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-11-30 00:32:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-11-30 00:32:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-11-30 00:32:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-11-30 00:32:17,315 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 285 [2020-11-30 00:32:17,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:17,316 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-11-30 00:32:17,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-11-30 00:32:17,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-30 00:32:17,324 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:17,324 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:17,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:32:17,325 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:17,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2054037624, now seen corresponding path program 1 times [2020-11-30 00:32:17,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:17,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746162344] [2020-11-30 00:32:17,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-30 00:32:17,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746162344] [2020-11-30 00:32:17,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:17,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:17,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137426248] [2020-11-30 00:32:17,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:17,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:17,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:17,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:17,605 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-11-30 00:32:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:18,780 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-11-30 00:32:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:18,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 290 [2020-11-30 00:32:18,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:18,804 INFO L225 Difference]: With dead ends: 6907 [2020-11-30 00:32:18,805 INFO L226 Difference]: Without dead ends: 3914 [2020-11-30 00:32:18,810 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 [2020-11-30 00:32:18,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-11-30 00:32:18,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-11-30 00:32:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-11-30 00:32:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-11-30 00:32:18,877 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 290 [2020-11-30 00:32:18,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:18,878 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-11-30 00:32:18,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-11-30 00:32:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-30 00:32:18,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:18,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:32:18,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:32:18,889 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:18,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1747504047, now seen corresponding path program 1 times [2020-11-30 00:32:18,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:18,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261541592] [2020-11-30 00:32:18,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:32:19,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261541592] [2020-11-30 00:32:19,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:19,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:32:19,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841718898] [2020-11-30 00:32:19,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:32:19,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:19,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:32:19,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:32:19,308 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-11-30 00:32:21,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:21,500 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-11-30 00:32:21,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:32:21,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 330 [2020-11-30 00:32:21,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:21,532 INFO L225 Difference]: With dead ends: 6353 [2020-11-30 00:32:21,532 INFO L226 Difference]: Without dead ends: 4286 [2020-11-30 00:32:21,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:32:21,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-11-30 00:32:21,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-11-30 00:32:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-11-30 00:32:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-11-30 00:32:21,622 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 330 [2020-11-30 00:32:21,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:21,623 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-11-30 00:32:21,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:32:21,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-11-30 00:32:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-11-30 00:32:21,638 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:21,639 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:32:21,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:32:21,640 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:21,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:21,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1741816293, now seen corresponding path program 1 times [2020-11-30 00:32:21,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:21,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416262683] [2020-11-30 00:32:21,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 00:32:22,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416262683] [2020-11-30 00:32:22,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:22,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:32:22,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990297425] [2020-11-30 00:32:22,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:32:22,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:22,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:32:22,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:32:22,112 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-11-30 00:32:24,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:24,084 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-11-30 00:32:24,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:32:24,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 404 [2020-11-30 00:32:24,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:24,115 INFO L225 Difference]: With dead ends: 8752 [2020-11-30 00:32:24,115 INFO L226 Difference]: Without dead ends: 5022 [2020-11-30 00:32:24,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:32:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-11-30 00:32:24,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-11-30 00:32:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-11-30 00:32:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-11-30 00:32:24,210 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 404 [2020-11-30 00:32:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:24,211 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-11-30 00:32:24,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:32:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-11-30 00:32:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-11-30 00:32:24,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:24,243 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:32:24,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:32:24,243 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:24,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:24,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1821232585, now seen corresponding path program 1 times [2020-11-30 00:32:24,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:24,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890537607] [2020-11-30 00:32:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-11-30 00:32:25,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890537607] [2020-11-30 00:32:25,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:25,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:25,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108027962] [2020-11-30 00:32:25,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:32:25,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:25,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:32:25,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:32:25,063 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-11-30 00:32:27,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:27,236 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-11-30 00:32:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:32:27,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 655 [2020-11-30 00:32:27,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:27,265 INFO L225 Difference]: With dead ends: 11899 [2020-11-30 00:32:27,265 INFO L226 Difference]: Without dead ends: 8169 [2020-11-30 00:32:27,271 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 [2020-11-30 00:32:27,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-11-30 00:32:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-11-30 00:32:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-11-30 00:32:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-11-30 00:32:27,418 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 655 [2020-11-30 00:32:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:27,419 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-11-30 00:32:27,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:32:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-11-30 00:32:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-11-30 00:32:27,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:27,445 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:32:27,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:32:27,445 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:27,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:27,446 INFO L82 PathProgramCache]: Analyzing trace with hash -537160207, now seen corresponding path program 1 times [2020-11-30 00:32:27,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:27,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709988940] [2020-11-30 00:32:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 922 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2020-11-30 00:32:28,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709988940] [2020-11-30 00:32:28,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:28,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:28,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594110067] [2020-11-30 00:32:28,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:28,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:28,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:28,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:28,129 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-11-30 00:32:29,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:29,375 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-11-30 00:32:29,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:29,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 723 [2020-11-30 00:32:29,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:29,395 INFO L225 Difference]: With dead ends: 17436 [2020-11-30 00:32:29,395 INFO L226 Difference]: Without dead ends: 8717 [2020-11-30 00:32:29,405 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 [2020-11-30 00:32:29,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-11-30 00:32:29,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-11-30 00:32:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-11-30 00:32:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-11-30 00:32:29,552 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 723 [2020-11-30 00:32:29,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:29,554 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-11-30 00:32:29,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-11-30 00:32:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2020-11-30 00:32:29,581 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:32:29,582 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-11-30 00:32:29,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:32:29,582 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:32:29,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:29,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1090756588, now seen corresponding path program 1 times [2020-11-30 00:32:29,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:32:29,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498916008] [2020-11-30 00:32:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:32:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:32:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1393 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-11-30 00:32:30,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498916008] [2020-11-30 00:32:30,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:32:30,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:32:30,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906745626] [2020-11-30 00:32:30,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:32:30,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:32:30,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:32:30,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:32:30,569 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-11-30 00:32:31,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:32:31,699 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-11-30 00:32:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:32:31,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 823 [2020-11-30 00:32:31,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:32:31,701 INFO L225 Difference]: With dead ends: 18165 [2020-11-30 00:32:31,701 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:32:31,716 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 [2020-11-30 00:32:31,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:32:31,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:32:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:32:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:32:31,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 823 [2020-11-30 00:32:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:32:31,718 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:32:31,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:32:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:32:31,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:32:31,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:32:31,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:32:31,909 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-11-30 00:32:32,046 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-11-30 00:32:32,856 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-11-30 00:32:33,615 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2020-11-30 00:32:33,618 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:32:33,618 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,618 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 00:32:33,619 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,620 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-30 00:32:33,621 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-30 00:32:33,621 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-30 00:32:33,621 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,621 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:32:33,626 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:32:33,627 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,627 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,627 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,627 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,627 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,627 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,628 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 00:32:33,628 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-30 00:32:33,628 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-30 00:32:33,628 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,628 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,628 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,629 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse6 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599998)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and .cse4 .cse3 .cse1 .cse2) (and .cse4 .cse1 .cse7) (and .cse3 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse5) (and .cse1 .cse9 .cse2) (and .cse1 .cse8 .cse2 (<= .cse6 0)) (and .cse10 .cse4 .cse5) (and (<= ~a29~0 130) .cse9 .cse5) (and .cse10 .cse0 .cse5) (and (<= 307 ~a23~0) .cse9 .cse2 .cse5))) [2020-11-30 00:32:33,631 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,632 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:32:33,632 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:32:33,632 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,632 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,632 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,632 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,633 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,633 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,633 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 00:32:33,633 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-30 00:32:33,633 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 00:32:33,633 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-30 00:32:33,634 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,634 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,634 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,634 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,634 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,634 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,635 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,635 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-30 00:32:33,635 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-30 00:32:33,635 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-30 00:32:33,635 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,635 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,636 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,636 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,636 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,636 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,636 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,637 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,637 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,637 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 00:32:33,637 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-30 00:32:33,637 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-30 00:32:33,638 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,639 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a4~0 0)) (.cse8 (= ~a25~0 13)) (.cse6 (+ ~a23~0 43)) (.cse4 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599998)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and .cse4 .cse3 .cse1 .cse2) (and .cse4 .cse1 .cse7) (and .cse3 .cse1 .cse8 .cse7) (and .cse8 .cse2 .cse5) (and .cse1 .cse9 .cse2) (and .cse1 .cse8 .cse2 (<= .cse6 0)) (and .cse10 .cse4 .cse5) (and (<= ~a29~0 130) .cse9 .cse5) (and .cse10 .cse0 .cse5) (and (<= 307 ~a23~0) .cse9 .cse2 .cse5))) [2020-11-30 00:32:33,639 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,639 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,639 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,640 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,640 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,640 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,640 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,640 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,640 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 00:32:33,641 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-30 00:32:33,641 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:32:33,641 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:32:33,641 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:32:33,641 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:32:33,641 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:32:33,642 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,642 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,643 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,643 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,643 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,643 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,644 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,644 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,644 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,644 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:32:33,644 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-30 00:32:33,645 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-30 00:32:33,645 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-30 00:32:33,645 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-30 00:32:33,645 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,645 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,645 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,646 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,646 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,646 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-30 00:32:33,646 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-30 00:32:33,646 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-30 00:32:33,646 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,647 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,647 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,647 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,647 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:32:33,647 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:32:33,647 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,648 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,648 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,648 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,648 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,648 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,648 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 00:32:33,649 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:32:33,650 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:32:33,650 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,650 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,650 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,650 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,651 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,651 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,652 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,652 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 00:32:33,652 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-30 00:32:33,652 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-30 00:32:33,653 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:32:33,653 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:32:33,653 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:32:33,653 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:32:33,653 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,653 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,654 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:32:33,654 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:32:33,654 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,654 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,654 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,654 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,655 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,655 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-30 00:32:33,655 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 00:32:33,655 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-30 00:32:33,655 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,655 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-30 00:32:33,656 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-30 00:32:33,657 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,657 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,657 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,657 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,657 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,657 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,658 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,658 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,658 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-30 00:32:33,658 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-30 00:32:33,658 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-30 00:32:33,658 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,659 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,659 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,659 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,659 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,659 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,659 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,660 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:32:33,660 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,660 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,660 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,660 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,660 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,661 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,662 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,662 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,662 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,662 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,662 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-30 00:32:33,662 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 00:32:33,663 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-30 00:32:33,663 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,663 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,663 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,663 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:32:33,663 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:32:33,664 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,664 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,664 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,664 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,664 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,664 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:32:33,666 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,666 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,666 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,666 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,666 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,666 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-30 00:32:33,667 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-30 00:32:33,667 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:32:33,667 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:32:33,667 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,667 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,667 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,668 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,668 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,668 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,668 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,669 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,669 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 00:32:33,670 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-30 00:32:33,670 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:32:33,670 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:32:33,671 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:32:33,671 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:32:33,671 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,672 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,672 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,672 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,675 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,675 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,676 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,676 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 00:32:33,676 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-30 00:32:33,676 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:32:33,676 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 00:32:33,677 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-30 00:32:33,678 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,678 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,678 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,678 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,678 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,678 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,679 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,679 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-30 00:32:33,679 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:32:33,679 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,679 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,679 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 00:32:33,680 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-30 00:32:33,680 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 00:32:33,680 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-30 00:32:33,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:32:33 BoogieIcfgContainer [2020-11-30 00:32:33,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:32:33,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:32:33,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:32:33,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:32:33,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:02" (3/4) ... [2020-11-30 00:32:33,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:32:33,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:32:33,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:32:33,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:32:33,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:32:34,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39ebec01-0365-4b39-9af1-28b19d56527d/bin/uautomizer/witness.graphml [2020-11-30 00:32:34,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:32:34,041 INFO L168 Benchmark]: Toolchain (without parser) took 35092.47 ms. Allocated memory was 102.8 MB in the beginning and 719.3 MB in the end (delta: 616.6 MB). Free memory was 71.7 MB in the beginning and 655.5 MB in the end (delta: -583.8 MB). Peak memory consumption was 438.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,041 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 77.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:32:34,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.23 ms. Allocated memory is still 102.8 MB. Free memory was 71.5 MB in the beginning and 47.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 206.18 ms. Allocated memory is still 102.8 MB. Free memory was 47.1 MB in the beginning and 69.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,043 INFO L168 Benchmark]: Boogie Preprocessor took 162.89 ms. Allocated memory is still 102.8 MB. Free memory was 69.0 MB in the beginning and 58.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,043 INFO L168 Benchmark]: RCFGBuilder took 2441.21 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 58.5 MB in the beginning and 102.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,044 INFO L168 Benchmark]: TraceAbstraction took 30881.97 ms. Allocated memory was 148.9 MB in the beginning and 719.3 MB in the end (delta: 570.4 MB). Free memory was 102.8 MB in the beginning and 269.1 MB in the end (delta: -166.3 MB). Peak memory consumption was 404.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,044 INFO L168 Benchmark]: Witness Printer took 314.76 ms. Allocated memory is still 719.3 MB. Free memory was 269.1 MB in the beginning and 655.5 MB in the end (delta: -386.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:32:34,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 77.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1077.23 ms. Allocated memory is still 102.8 MB. Free memory was 71.5 MB in the beginning and 47.1 MB in the end (delta: 24.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 206.18 ms. Allocated memory is still 102.8 MB. Free memory was 47.1 MB in the beginning and 69.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 162.89 ms. Allocated memory is still 102.8 MB. Free memory was 69.0 MB in the beginning and 58.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2441.21 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 58.5 MB in the beginning and 102.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30881.97 ms. Allocated memory was 148.9 MB in the beginning and 719.3 MB in the end (delta: 570.4 MB). Free memory was 102.8 MB in the beginning and 269.1 MB in the end (delta: -166.3 MB). Peak memory consumption was 404.0 MB. Max. memory is 16.1 GB. * Witness Printer took 314.76 ms. Allocated memory is still 719.3 MB. Free memory was 269.1 MB in the beginning and 655.5 MB in the end (delta: -386.4 MB). Peak memory consumption was 19.9 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((307 <= a23 && a25 == 12) && a29 <= 599998) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (((a23 <= 138 && a4 == 0) && a25 == 13) && a29 + 22 <= 0)) || ((a25 == 13 && a29 <= 599998) && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || (((a4 == 0 && a25 == 13) && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || ((a29 <= 599999 && a25 == 11) && a4 == 1)) || (((307 <= a23 && a25 == 12) && a29 <= 599998) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2799 SDtfs, 2600 SDslu, 365 SDs, 0 SdLazy, 9134 SolverSat, 1735 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4660 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 295 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3306 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4577 NumberOfCodeBlocks, 4577 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4563 ConstructedInterpolants, 0 QuantifiedInterpolants, 3722943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 6351/6351 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...