./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.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_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:33:00,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:33:00,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:33:00,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:33:00,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:33:00,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:33:00,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:33:00,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:33:00,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:33:00,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:33:00,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:33:00,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:33:00,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:33:00,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:33:00,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:33:00,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:33:00,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:33:00,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:33:00,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:33:00,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:33:00,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:33:00,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:33:00,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:33:00,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:33:00,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:33:00,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:33:00,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:33:00,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:33:00,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:33:00,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:33:00,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:33:00,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:33:00,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:33:00,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:33:00,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:33:00,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:33:00,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:33:00,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:33:00,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:33:00,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:33:00,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:33:00,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:33:00,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:33:00,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:33:00,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:33:00,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:33:00,627 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:33:00,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:33:00,628 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:33:00,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:33:00,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:33:00,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:33:00,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:33:00,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:33:00,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:33:00,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:33:00,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:33:00,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:33:00,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:33:00,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:33:00,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:33:00,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:33:00,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:33:00,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:33:00,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:33:00,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:33:00,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:33:00,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:33:00,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:33:00,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:33:00,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:33:00,635 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_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-11-29 20:33:00,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:33:01,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:33:01,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:33:01,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:33:01,015 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:33:01,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-29 20:33:01,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/data/97347d72e/17ad7c19b92f45bbb115149b8bc7e064/FLAGe90cf34b7 [2020-11-29 20:33:01,914 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:33:01,914 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-29 20:33:01,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/data/97347d72e/17ad7c19b92f45bbb115149b8bc7e064/FLAGe90cf34b7 [2020-11-29 20:33:02,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/data/97347d72e/17ad7c19b92f45bbb115149b8bc7e064 [2020-11-29 20:33:02,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:33:02,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:33:02,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:33:02,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:33:02,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:33:02,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:33:02" (1/1) ... [2020-11-29 20:33:02,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7760658b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:02, skipping insertion in model container [2020-11-29 20:33:02,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:33:02" (1/1) ... [2020-11-29 20:33:02,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:33:02,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:33:03,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:33:03,395 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:33:03,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:33:03,743 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:33:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03 WrapperNode [2020-11-29 20:33:03,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:33:03,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:33:03,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:33:03,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:33:03,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:03,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:03,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:33:03,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:33:03,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:33:03,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:33:03,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:03,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:03,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:03,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:04,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:04,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:04,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... [2020-11-29 20:33:04,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:33:04,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:33:04,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:33:04,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:33:04,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/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 [2020-11-29 20:33:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:33:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:33:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:33:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:33:06,282 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:33:06,282 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-11-29 20:33:06,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:06 BoogieIcfgContainer [2020-11-29 20:33:06,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:33:06,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:33:06,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:33:06,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:33:06,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:33:02" (1/3) ... [2020-11-29 20:33:06,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eccc4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:33:06, skipping insertion in model container [2020-11-29 20:33:06,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:03" (2/3) ... [2020-11-29 20:33:06,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eccc4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:33:06, skipping insertion in model container [2020-11-29 20:33:06,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:06" (3/3) ... [2020-11-29 20:33:06,292 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-11-29 20:33:06,303 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:33:06,308 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:33:06,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:33:06,345 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:33:06,345 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:33:06,345 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:33:06,345 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:33:06,346 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:33:06,346 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:33:06,346 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:33:06,346 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:33:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states. [2020-11-29 20:33:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:33:06,378 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:06,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:06,379 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:06,385 INFO L82 PathProgramCache]: Analyzing trace with hash 352572211, now seen corresponding path program 1 times [2020-11-29 20:33:06,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:06,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313469449] [2020-11-29 20:33:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:33:06,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313469449] [2020-11-29 20:33:06,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:06,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:33:06,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465851119] [2020-11-29 20:33:06,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:33:06,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:06,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:33:06,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:33:06,593 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 2 states. [2020-11-29 20:33:06,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:06,664 INFO L93 Difference]: Finished difference Result 464 states and 911 transitions. [2020-11-29 20:33:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:33:06,665 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-29 20:33:06,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:06,683 INFO L225 Difference]: With dead ends: 464 [2020-11-29 20:33:06,684 INFO L226 Difference]: Without dead ends: 224 [2020-11-29 20:33:06,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:33:06,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-11-29 20:33:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-11-29 20:33:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-11-29 20:33:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 393 transitions. [2020-11-29 20:33:06,768 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 393 transitions. Word has length 9 [2020-11-29 20:33:06,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:06,768 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 393 transitions. [2020-11-29 20:33:06,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:33:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 393 transitions. [2020-11-29 20:33:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:33:06,769 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:06,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:06,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:33:06,770 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:06,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:06,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1422696861, now seen corresponding path program 1 times [2020-11-29 20:33:06,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:06,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878684593] [2020-11-29 20:33:06,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:33:06,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878684593] [2020-11-29 20:33:06,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:06,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:06,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856607916] [2020-11-29 20:33:06,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:06,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:06,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:06,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:06,842 INFO L87 Difference]: Start difference. First operand 224 states and 393 transitions. Second operand 3 states. [2020-11-29 20:33:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:07,047 INFO L93 Difference]: Finished difference Result 449 states and 788 transitions. [2020-11-29 20:33:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:07,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-29 20:33:07,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:07,051 INFO L225 Difference]: With dead ends: 449 [2020-11-29 20:33:07,051 INFO L226 Difference]: Without dead ends: 227 [2020-11-29 20:33:07,053 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 [2020-11-29 20:33:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-29 20:33:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-11-29 20:33:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-29 20:33:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 396 transitions. [2020-11-29 20:33:07,082 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 396 transitions. Word has length 10 [2020-11-29 20:33:07,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:07,083 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 396 transitions. [2020-11-29 20:33:07,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 396 transitions. [2020-11-29 20:33:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 20:33:07,084 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:07,084 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:07,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:33:07,085 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:07,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:07,086 INFO L82 PathProgramCache]: Analyzing trace with hash 658033430, now seen corresponding path program 1 times [2020-11-29 20:33:07,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:07,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857909975] [2020-11-29 20:33:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:33:07,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857909975] [2020-11-29 20:33:07,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:07,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:07,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228545669] [2020-11-29 20:33:07,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:07,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:07,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:07,206 INFO L87 Difference]: Start difference. First operand 227 states and 396 transitions. Second operand 3 states. [2020-11-29 20:33:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:07,424 INFO L93 Difference]: Finished difference Result 457 states and 797 transitions. [2020-11-29 20:33:07,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:07,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-11-29 20:33:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:07,428 INFO L225 Difference]: With dead ends: 457 [2020-11-29 20:33:07,428 INFO L226 Difference]: Without dead ends: 233 [2020-11-29 20:33:07,430 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 [2020-11-29 20:33:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-11-29 20:33:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2020-11-29 20:33:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-29 20:33:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2020-11-29 20:33:07,453 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 15 [2020-11-29 20:33:07,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:07,453 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2020-11-29 20:33:07,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2020-11-29 20:33:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:33:07,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:07,455 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:07,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:33:07,456 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:07,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:07,458 INFO L82 PathProgramCache]: Analyzing trace with hash 259035552, now seen corresponding path program 1 times [2020-11-29 20:33:07,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:07,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084903558] [2020-11-29 20:33:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:33:07,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084903558] [2020-11-29 20:33:07,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:07,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:07,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727943066] [2020-11-29 20:33:07,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:07,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:07,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:07,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:07,552 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand 3 states. [2020-11-29 20:33:07,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:07,740 INFO L93 Difference]: Finished difference Result 272 states and 456 transitions. [2020-11-29 20:33:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:07,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-29 20:33:07,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:07,742 INFO L225 Difference]: With dead ends: 272 [2020-11-29 20:33:07,743 INFO L226 Difference]: Without dead ends: 266 [2020-11-29 20:33:07,743 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 [2020-11-29 20:33:07,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-29 20:33:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 257. [2020-11-29 20:33:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-11-29 20:33:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 440 transitions. [2020-11-29 20:33:07,756 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 440 transitions. Word has length 18 [2020-11-29 20:33:07,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:07,756 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 440 transitions. [2020-11-29 20:33:07,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 440 transitions. [2020-11-29 20:33:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:33:07,757 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:07,757 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:07,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:33:07,758 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:07,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:07,759 INFO L82 PathProgramCache]: Analyzing trace with hash -548412413, now seen corresponding path program 1 times [2020-11-29 20:33:07,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:07,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785034650] [2020-11-29 20:33:07,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:33:07,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785034650] [2020-11-29 20:33:07,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:07,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:07,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790062965] [2020-11-29 20:33:07,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:07,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:07,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:07,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:07,851 INFO L87 Difference]: Start difference. First operand 257 states and 440 transitions. Second operand 3 states. [2020-11-29 20:33:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:08,168 INFO L93 Difference]: Finished difference Result 259 states and 441 transitions. [2020-11-29 20:33:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:08,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 20:33:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:08,178 INFO L225 Difference]: With dead ends: 259 [2020-11-29 20:33:08,179 INFO L226 Difference]: Without dead ends: 257 [2020-11-29 20:33:08,179 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 [2020-11-29 20:33:08,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-11-29 20:33:08,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2020-11-29 20:33:08,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-11-29 20:33:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 432 transitions. [2020-11-29 20:33:08,192 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 432 transitions. Word has length 19 [2020-11-29 20:33:08,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:08,192 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 432 transitions. [2020-11-29 20:33:08,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 432 transitions. [2020-11-29 20:33:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:33:08,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:08,193 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:08,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:33:08,194 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:08,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:08,194 INFO L82 PathProgramCache]: Analyzing trace with hash -296229375, now seen corresponding path program 1 times [2020-11-29 20:33:08,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:08,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146626548] [2020-11-29 20:33:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:33:08,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146626548] [2020-11-29 20:33:08,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:08,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:08,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096245167] [2020-11-29 20:33:08,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:08,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:08,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:08,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:08,302 INFO L87 Difference]: Start difference. First operand 257 states and 432 transitions. Second operand 3 states. [2020-11-29 20:33:08,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:08,981 INFO L93 Difference]: Finished difference Result 704 states and 1182 transitions. [2020-11-29 20:33:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:08,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-29 20:33:08,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:08,985 INFO L225 Difference]: With dead ends: 704 [2020-11-29 20:33:08,985 INFO L226 Difference]: Without dead ends: 444 [2020-11-29 20:33:08,986 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 [2020-11-29 20:33:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-11-29 20:33:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 418. [2020-11-29 20:33:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-11-29 20:33:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 643 transitions. [2020-11-29 20:33:08,999 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 643 transitions. Word has length 22 [2020-11-29 20:33:08,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:08,999 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 643 transitions. [2020-11-29 20:33:08,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 643 transitions. [2020-11-29 20:33:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 20:33:09,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:09,001 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:33:09,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:33:09,001 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:09,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:09,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1374287257, now seen corresponding path program 1 times [2020-11-29 20:33:09,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:09,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091786377] [2020-11-29 20:33:09,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:09,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091786377] [2020-11-29 20:33:09,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:09,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:09,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124885507] [2020-11-29 20:33:09,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:09,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:09,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:09,050 INFO L87 Difference]: Start difference. First operand 418 states and 643 transitions. Second operand 3 states. [2020-11-29 20:33:09,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:09,129 INFO L93 Difference]: Finished difference Result 754 states and 1168 transitions. [2020-11-29 20:33:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:09,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-11-29 20:33:09,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:09,146 INFO L225 Difference]: With dead ends: 754 [2020-11-29 20:33:09,147 INFO L226 Difference]: Without dead ends: 339 [2020-11-29 20:33:09,148 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 [2020-11-29 20:33:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-29 20:33:09,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2020-11-29 20:33:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-11-29 20:33:09,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 522 transitions. [2020-11-29 20:33:09,160 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 522 transitions. Word has length 29 [2020-11-29 20:33:09,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:09,160 INFO L481 AbstractCegarLoop]: Abstraction has 339 states and 522 transitions. [2020-11-29 20:33:09,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:09,161 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 522 transitions. [2020-11-29 20:33:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:33:09,163 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:09,163 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-29 20:33:09,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:33:09,163 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:09,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:09,164 INFO L82 PathProgramCache]: Analyzing trace with hash -968828347, now seen corresponding path program 1 times [2020-11-29 20:33:09,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:09,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393931455] [2020-11-29 20:33:09,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:09,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393931455] [2020-11-29 20:33:09,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:09,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:09,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867211318] [2020-11-29 20:33:09,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:09,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:09,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:09,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:09,220 INFO L87 Difference]: Start difference. First operand 339 states and 522 transitions. Second operand 3 states. [2020-11-29 20:33:09,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:09,313 INFO L93 Difference]: Finished difference Result 664 states and 1029 transitions. [2020-11-29 20:33:09,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:09,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-29 20:33:09,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:09,316 INFO L225 Difference]: With dead ends: 664 [2020-11-29 20:33:09,316 INFO L226 Difference]: Without dead ends: 333 [2020-11-29 20:33:09,317 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 [2020-11-29 20:33:09,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-11-29 20:33:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2020-11-29 20:33:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-11-29 20:33:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 502 transitions. [2020-11-29 20:33:09,327 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 502 transitions. Word has length 33 [2020-11-29 20:33:09,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:09,328 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 502 transitions. [2020-11-29 20:33:09,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2020-11-29 20:33:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 20:33:09,329 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:09,329 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-29 20:33:09,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:33:09,330 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:09,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:09,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1704110053, now seen corresponding path program 1 times [2020-11-29 20:33:09,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:09,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037502771] [2020-11-29 20:33:09,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:09,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037502771] [2020-11-29 20:33:09,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:09,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:09,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555714073] [2020-11-29 20:33:09,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:09,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:09,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:09,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:09,378 INFO L87 Difference]: Start difference. First operand 333 states and 502 transitions. Second operand 3 states. [2020-11-29 20:33:09,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:09,797 INFO L93 Difference]: Finished difference Result 376 states and 543 transitions. [2020-11-29 20:33:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:09,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-29 20:33:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:09,800 INFO L225 Difference]: With dead ends: 376 [2020-11-29 20:33:09,800 INFO L226 Difference]: Without dead ends: 339 [2020-11-29 20:33:09,801 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 [2020-11-29 20:33:09,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-29 20:33:09,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2020-11-29 20:33:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-11-29 20:33:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 466 transitions. [2020-11-29 20:33:09,812 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 466 transitions. Word has length 37 [2020-11-29 20:33:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:09,813 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 466 transitions. [2020-11-29 20:33:09,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 466 transitions. [2020-11-29 20:33:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 20:33:09,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:09,815 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-29 20:33:09,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:33:09,815 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:09,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:09,816 INFO L82 PathProgramCache]: Analyzing trace with hash -533172694, now seen corresponding path program 1 times [2020-11-29 20:33:09,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:09,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322982728] [2020-11-29 20:33:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:09,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322982728] [2020-11-29 20:33:09,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:09,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:09,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835588833] [2020-11-29 20:33:09,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:09,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:09,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:09,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:09,876 INFO L87 Difference]: Start difference. First operand 333 states and 466 transitions. Second operand 3 states. [2020-11-29 20:33:09,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:09,938 INFO L93 Difference]: Finished difference Result 635 states and 888 transitions. [2020-11-29 20:33:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:09,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-11-29 20:33:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:09,946 INFO L225 Difference]: With dead ends: 635 [2020-11-29 20:33:09,946 INFO L226 Difference]: Without dead ends: 310 [2020-11-29 20:33:09,947 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 [2020-11-29 20:33:09,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-29 20:33:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-29 20:33:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-29 20:33:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 429 transitions. [2020-11-29 20:33:09,962 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 429 transitions. Word has length 38 [2020-11-29 20:33:09,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:09,963 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 429 transitions. [2020-11-29 20:33:09,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2020-11-29 20:33:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 20:33:09,966 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:33:09,967 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-11-29 20:33:09,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:33:09,967 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:33:09,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:09,968 INFO L82 PathProgramCache]: Analyzing trace with hash -717812843, now seen corresponding path program 1 times [2020-11-29 20:33:09,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:33:09,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336153009] [2020-11-29 20:33:09,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:33:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:10,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336153009] [2020-11-29 20:33:10,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:33:10,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:33:10,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489642060] [2020-11-29 20:33:10,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:33:10,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:33:10,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:33:10,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:33:10,051 INFO L87 Difference]: Start difference. First operand 310 states and 429 transitions. Second operand 3 states. [2020-11-29 20:33:10,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:33:10,118 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2020-11-29 20:33:10,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:33:10,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-11-29 20:33:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:33:10,120 INFO L225 Difference]: With dead ends: 474 [2020-11-29 20:33:10,120 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:33:10,121 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 [2020-11-29 20:33:10,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:33:10,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:33:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:33:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:33:10,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-29 20:33:10,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:33:10,123 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:33:10,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:33:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:33:10,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:33:10,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:33:10,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:33:10,295 INFO L274 CegarLoopResult]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2020-11-29 20:33:10,295 INFO L274 CegarLoopResult]: For program point L961(lines 961 963) no Hoare annotation was computed. [2020-11-29 20:33:10,295 INFO L274 CegarLoopResult]: For program point L829(lines 829 840) no Hoare annotation was computed. [2020-11-29 20:33:10,295 INFO L274 CegarLoopResult]: For program point L763(lines 763 778) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L433(lines 433 435) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L301(lines 301 303) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L169(lines 169 180) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L897(lines 897 899) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L699(lines 699 714) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L369(lines 369 371) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L237(lines 237 239) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L105(lines 105 107) no Hoare annotation was computed. [2020-11-29 20:33:10,296 INFO L274 CegarLoopResult]: For program point L833(lines 833 835) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L635(lines 635 650) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L769(lines 769 771) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L571(lines 571 586) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2020-11-29 20:33:10,297 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L705(lines 705 707) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L507(lines 507 522) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L46(lines 46 65) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L971(lines 971 986) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L641(lines 641 643) no Hoare annotation was computed. [2020-11-29 20:33:10,298 INFO L274 CegarLoopResult]: For program point L509(lines 509 520) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L443(lines 443 458) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L311(lines 311 326) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L47(lines 47 62) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L973(lines 973 984) no Hoare annotation was computed. [2020-11-29 20:33:10,299 INFO L274 CegarLoopResult]: For program point L907(lines 907 922) no Hoare annotation was computed. [2020-11-29 20:33:10,305 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-11-29 20:33:10,306 INFO L274 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-11-29 20:33:10,306 INFO L274 CegarLoopResult]: For program point L379(lines 379 394) no Hoare annotation was computed. [2020-11-29 20:33:10,306 INFO L274 CegarLoopResult]: For program point L313(lines 313 324) no Hoare annotation was computed. [2020-11-29 20:33:10,306 INFO L274 CegarLoopResult]: For program point L247(lines 247 262) no Hoare annotation was computed. [2020-11-29 20:33:10,306 INFO L270 CegarLoopResult]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L115(lines 115 130) no Hoare annotation was computed. [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L909(lines 909 920) no Hoare annotation was computed. [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L843(lines 843 858) no Hoare annotation was computed. [2020-11-29 20:33:10,307 INFO L274 CegarLoopResult]: For program point L513(lines 513 515) no Hoare annotation was computed. [2020-11-29 20:33:10,308 INFO L274 CegarLoopResult]: For program point L381(lines 381 392) no Hoare annotation was computed. [2020-11-29 20:33:10,308 INFO L274 CegarLoopResult]: For program point L249(lines 249 260) no Hoare annotation was computed. [2020-11-29 20:33:10,308 INFO L274 CegarLoopResult]: For program point L183(lines 183 198) no Hoare annotation was computed. [2020-11-29 20:33:10,308 INFO L274 CegarLoopResult]: For program point L117(lines 117 128) no Hoare annotation was computed. [2020-11-29 20:33:10,308 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2020-11-29 20:33:10,308 INFO L274 CegarLoopResult]: For program point L977(lines 977 979) no Hoare annotation was computed. [2020-11-29 20:33:10,314 INFO L274 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-11-29 20:33:10,314 INFO L274 CegarLoopResult]: For program point L779(lines 779 794) no Hoare annotation was computed. [2020-11-29 20:33:10,314 INFO L274 CegarLoopResult]: For program point L449(lines 449 451) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L317(lines 317 319) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L185(lines 185 196) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L53(lines 53 55) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L913(lines 913 915) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L781(lines 781 792) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L715(lines 715 730) no Hoare annotation was computed. [2020-11-29 20:33:10,315 INFO L274 CegarLoopResult]: For program point L385(lines 385 387) no Hoare annotation was computed. [2020-11-29 20:33:10,316 INFO L274 CegarLoopResult]: For program point L253(lines 253 255) no Hoare annotation was computed. [2020-11-29 20:33:10,316 INFO L274 CegarLoopResult]: For program point L121(lines 121 123) no Hoare annotation was computed. [2020-11-29 20:33:10,316 INFO L274 CegarLoopResult]: For program point L849(lines 849 851) no Hoare annotation was computed. [2020-11-29 20:33:10,316 INFO L274 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-11-29 20:33:10,317 INFO L274 CegarLoopResult]: For program point L651(lines 651 666) no Hoare annotation was computed. [2020-11-29 20:33:10,317 INFO L274 CegarLoopResult]: For program point L189(lines 189 191) no Hoare annotation was computed. [2020-11-29 20:33:10,317 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:33:10,318 INFO L274 CegarLoopResult]: For program point L785(lines 785 787) no Hoare annotation was computed. [2020-11-29 20:33:10,318 INFO L274 CegarLoopResult]: For program point L653(lines 653 664) no Hoare annotation was computed. [2020-11-29 20:33:10,318 INFO L274 CegarLoopResult]: For program point L587(lines 587 602) no Hoare annotation was computed. [2020-11-29 20:33:10,318 INFO L270 CegarLoopResult]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse2 (= ULTIMATE.start_main_~this_m_conn~0 1)) (.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and (= ULTIMATE.start_main_~q~0 0) .cse0) (and (= ULTIMATE.start_main_~q~0 2) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0) .cse1) (and (<= 4 ULTIMATE.start_main_~q~0) .cse2 .cse0 .cse1) (and .cse2 (= ULTIMATE.start_main_~q~0 3) (= ULTIMATE.start_main_~this_m_conn_data_listener~0 1) .cse0))) [2020-11-29 20:33:10,318 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2020-11-29 20:33:10,318 INFO L274 CegarLoopResult]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2020-11-29 20:33:10,319 INFO L274 CegarLoopResult]: For program point L721(lines 721 723) no Hoare annotation was computed. [2020-11-29 20:33:10,319 INFO L274 CegarLoopResult]: For program point L589(lines 589 600) no Hoare annotation was computed. [2020-11-29 20:33:10,319 INFO L274 CegarLoopResult]: For program point L523(lines 523 538) no Hoare annotation was computed. [2020-11-29 20:33:10,319 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2020-11-29 20:33:10,319 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2020-11-29 20:33:10,319 INFO L274 CegarLoopResult]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L657(lines 657 659) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L525(lines 525 536) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L459(lines 459 474) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L923(lines 923 938) no Hoare annotation was computed. [2020-11-29 20:33:10,320 INFO L274 CegarLoopResult]: For program point L593(lines 593 595) no Hoare annotation was computed. [2020-11-29 20:33:10,321 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-11-29 20:33:10,321 INFO L274 CegarLoopResult]: For program point L395(lines 395 410) no Hoare annotation was computed. [2020-11-29 20:33:10,321 INFO L274 CegarLoopResult]: For program point L263(lines 263 278) no Hoare annotation was computed. [2020-11-29 20:33:10,321 INFO L274 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2020-11-29 20:33:10,321 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:33:10,321 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L66(lines 66 149) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L925(lines 925 936) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-11-29 20:33:10,322 INFO L274 CegarLoopResult]: For program point L529(lines 529 531) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L397(lines 397 408) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L331(lines 331 346) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L265(lines 265 276) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L133(lines 133 144) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L67(lines 67 82) no Hoare annotation was computed. [2020-11-29 20:33:10,323 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L795(lines 795 810) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L465(lines 465 467) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L333(lines 333 344) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L69(lines 69 80) no Hoare annotation was computed. [2020-11-29 20:33:10,324 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L929(lines 929 931) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L797(lines 797 808) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L731(lines 731 746) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L269(lines 269 271) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L137(lines 137 139) no Hoare annotation was computed. [2020-11-29 20:33:10,325 INFO L274 CegarLoopResult]: For program point L865(lines 865 867) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L667(lines 667 682) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L337(lines 337 339) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L73(lines 73 75) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L801(lines 801 803) no Hoare annotation was computed. [2020-11-29 20:33:10,326 INFO L274 CegarLoopResult]: For program point L669(lines 669 680) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L603(lines 603 618) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L737(lines 737 739) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L605(lines 605 616) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L539(lines 539 554) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2020-11-29 20:33:10,327 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L673(lines 673 675) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L541(lines 541 552) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L475(lines 475 490) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2020-11-29 20:33:10,328 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L939(lines 939 954) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L609(lines 609 611) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L477(lines 477 488) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L411(lines 411 426) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L279(lines 279 294) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2020-11-29 20:33:10,329 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2020-11-29 20:33:10,330 INFO L274 CegarLoopResult]: For program point L941(lines 941 952) no Hoare annotation was computed. [2020-11-29 20:33:10,330 INFO L274 CegarLoopResult]: For program point L875(lines 875 890) no Hoare annotation was computed. [2020-11-29 20:33:10,331 INFO L274 CegarLoopResult]: For program point L545(lines 545 547) no Hoare annotation was computed. [2020-11-29 20:33:10,331 INFO L274 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-11-29 20:33:10,331 INFO L274 CegarLoopResult]: For program point L347(lines 347 362) no Hoare annotation was computed. [2020-11-29 20:33:10,331 INFO L274 CegarLoopResult]: For program point L281(lines 281 292) no Hoare annotation was computed. [2020-11-29 20:33:10,331 INFO L274 CegarLoopResult]: For program point L215(lines 215 230) no Hoare annotation was computed. [2020-11-29 20:33:10,331 INFO L274 CegarLoopResult]: For program point L83(lines 83 98) no Hoare annotation was computed. [2020-11-29 20:33:10,332 INFO L274 CegarLoopResult]: For program point L150(lines 150 329) no Hoare annotation was computed. [2020-11-29 20:33:10,332 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2020-11-29 20:33:10,332 INFO L277 CegarLoopResult]: At program point L18(lines 18 1257) the Hoare annotation is: true [2020-11-29 20:33:10,332 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2020-11-29 20:33:10,332 INFO L274 CegarLoopResult]: For program point L877(lines 877 888) no Hoare annotation was computed. [2020-11-29 20:33:10,332 INFO L274 CegarLoopResult]: For program point L811(lines 811 826) no Hoare annotation was computed. [2020-11-29 20:33:10,332 INFO L274 CegarLoopResult]: For program point L481(lines 481 483) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point L349(lines 349 360) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point L217(lines 217 228) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point L151(lines 151 166) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point L85(lines 85 96) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2020-11-29 20:33:10,333 INFO L274 CegarLoopResult]: For program point L945(lines 945 947) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L813(lines 813 824) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L747(lines 747 762) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L417(lines 417 419) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L285(lines 285 287) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L153(lines 153 164) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L881(lines 881 883) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L749(lines 749 760) no Hoare annotation was computed. [2020-11-29 20:33:10,334 INFO L274 CegarLoopResult]: For program point L683(lines 683 698) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L353(lines 353 355) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L89(lines 89 91) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L817(lines 817 819) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L685(lines 685 696) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L619(lines 619 634) no Hoare annotation was computed. [2020-11-29 20:33:10,335 INFO L274 CegarLoopResult]: For program point L157(lines 157 159) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L753(lines 753 755) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L621(lines 621 632) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L555(lines 555 570) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:33:10,336 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L689(lines 689 691) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L491(lines 491 506) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L955(lines 955 970) no Hoare annotation was computed. [2020-11-29 20:33:10,337 INFO L274 CegarLoopResult]: For program point L625(lines 625 627) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L493(lines 493 504) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L295(lines 295 310) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L957(lines 957 968) no Hoare annotation was computed. [2020-11-29 20:33:10,338 INFO L274 CegarLoopResult]: For program point L891(lines 891 906) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L561(lines 561 563) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L429(lines 429 440) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L363(lines 363 378) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L231(lines 231 246) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L99(lines 99 114) no Hoare annotation was computed. [2020-11-29 20:33:10,339 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2020-11-29 20:33:10,340 INFO L274 CegarLoopResult]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2020-11-29 20:33:10,340 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1)) (.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0))) (or (and (<= 4 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~this_m_conn~0 1) .cse0 .cse1) (and (= ULTIMATE.start_main_~q~0 0) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0) .cse1))) [2020-11-29 20:33:10,340 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2020-11-29 20:33:10,340 INFO L274 CegarLoopResult]: For program point L893(lines 893 904) no Hoare annotation was computed. [2020-11-29 20:33:10,340 INFO L274 CegarLoopResult]: For program point L827(lines 827 842) no Hoare annotation was computed. [2020-11-29 20:33:10,341 INFO L274 CegarLoopResult]: For program point L497(lines 497 499) no Hoare annotation was computed. [2020-11-29 20:33:10,341 INFO L274 CegarLoopResult]: For program point L365(lines 365 376) no Hoare annotation was computed. [2020-11-29 20:33:10,341 INFO L274 CegarLoopResult]: For program point L233(lines 233 244) no Hoare annotation was computed. [2020-11-29 20:33:10,341 INFO L274 CegarLoopResult]: For program point L167(lines 167 182) no Hoare annotation was computed. [2020-11-29 20:33:10,341 INFO L274 CegarLoopResult]: For program point L101(lines 101 112) no Hoare annotation was computed. [2020-11-29 20:33:10,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:33:10 BoogieIcfgContainer [2020-11-29 20:33:10,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:33:10,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:33:10,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:33:10,369 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:33:10,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:06" (3/4) ... [2020-11-29 20:33:10,372 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:33:10,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 20:33:10,414 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:33:10,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:33:10,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:33:10,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cd04decb-a131-41d2-84dd-76b0ebd8c6c0/bin/uautomizer/witness.graphml [2020-11-29 20:33:10,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:33:10,466 INFO L168 Benchmark]: Toolchain (without parser) took 7997.91 ms. Allocated memory was 86.0 MB in the beginning and 325.1 MB in the end (delta: 239.1 MB). Free memory was 58.3 MB in the beginning and 160.9 MB in the end (delta: -102.7 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,467 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:33:10,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.50 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 48.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 211.97 ms. Allocated memory is still 107.0 MB. Free memory was 48.8 MB in the beginning and 49.7 MB in the end (delta: -904.2 kB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,476 INFO L168 Benchmark]: Boogie Preprocessor took 211.01 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 49.7 MB in the beginning and 88.0 MB in the end (delta: -38.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,476 INFO L168 Benchmark]: RCFGBuilder took 2114.64 ms. Allocated memory was 144.7 MB in the beginning and 220.2 MB in the end (delta: 75.5 MB). Free memory was 88.0 MB in the beginning and 134.2 MB in the end (delta: -46.2 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,477 INFO L168 Benchmark]: TraceAbstraction took 4081.59 ms. Allocated memory was 220.2 MB in the beginning and 325.1 MB in the end (delta: 104.9 MB). Free memory was 134.2 MB in the beginning and 164.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,478 INFO L168 Benchmark]: Witness Printer took 95.58 ms. Allocated memory is still 325.1 MB. Free memory was 164.0 MB in the beginning and 160.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:10,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1275.50 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 48.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 211.97 ms. Allocated memory is still 107.0 MB. Free memory was 48.8 MB in the beginning and 49.7 MB in the end (delta: -904.2 kB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 211.01 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 49.7 MB in the beginning and 88.0 MB in the end (delta: -38.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2114.64 ms. Allocated memory was 144.7 MB in the beginning and 220.2 MB in the end (delta: 75.5 MB). Free memory was 88.0 MB in the beginning and 134.2 MB in the end (delta: -46.2 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4081.59 ms. Allocated memory was 220.2 MB in the beginning and 325.1 MB in the end (delta: 104.9 MB). Free memory was 134.2 MB in the beginning and 164.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. * Witness Printer took 95.58 ms. Allocated memory is still 325.1 MB. Free memory was 164.0 MB in the beginning and 160.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 34]: Loop Invariant Derived loop invariant: (((4 <= q && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 0) || (((q == 0 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((q == 0 && this_m_delta == 1) || (((q == 2 && this_m_delta == 1) && this_m_conn == 0) && this_m_conn_data_listener == 0)) || (((4 <= q && this_m_conn == 1) && this_m_delta == 1) && this_m_conn_data_listener == 0)) || (((this_m_conn == 1 && q == 3) && this_m_conn_data_listener == 1) && this_m_delta == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3823 SDtfs, 1581 SDslu, 1641 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 11228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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...