./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.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_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/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 ac0b031040320d5a951ff97f31d87306ac696587 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:49:51,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:49:51,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:49:51,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:49:51,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:49:51,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:49:51,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:49:51,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:49:51,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:49:51,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:49:51,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:49:51,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:49:51,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:49:51,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:49:51,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:49:51,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:49:51,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:49:51,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:49:51,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:49:51,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:49:51,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:49:51,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:49:51,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:49:51,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:49:51,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:49:51,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:49:51,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:49:51,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:49:51,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:49:51,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:49:51,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:49:51,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:49:51,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:49:51,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:49:51,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:49:51,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:49:51,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:49:51,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:49:51,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:49:51,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:49:51,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:49:51,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:49:51,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:49:51,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:49:51,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:49:51,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:49:51,640 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:49:51,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:49:51,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:49:51,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:49:51,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:49:51,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:49:51,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:49:51,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:49:51,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:49:51,644 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:49:51,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:49:51,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:49:51,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:49:51,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:49:51,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:49:51,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:49:51,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:49:51,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:49:51,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:49:51,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:49:51,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:49:51,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:49:51,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:49:51,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:49:51,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:49:51,651 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_63031433-efb7-49ea-95c8-81cfcabd05c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0b031040320d5a951ff97f31d87306ac696587 [2020-11-29 18:49:51,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:49:51,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:49:51,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:49:51,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:49:51,999 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:49:52,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c [2020-11-29 18:49:52,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/data/8bfab64ff/8081a608c08c4ea684c95b7384565606/FLAGd13f6dc80 [2020-11-29 18:49:52,919 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:49:52,920 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/sv-benchmarks/c/eca-rers2012/Problem15_label43.c [2020-11-29 18:49:52,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/data/8bfab64ff/8081a608c08c4ea684c95b7384565606/FLAGd13f6dc80 [2020-11-29 18:49:53,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/data/8bfab64ff/8081a608c08c4ea684c95b7384565606 [2020-11-29 18:49:53,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:49:53,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:49:53,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:49:53,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:49:53,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:49:53,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:49:53" (1/1) ... [2020-11-29 18:49:53,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1286aecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:53, skipping insertion in model container [2020-11-29 18:49:53,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:49:53" (1/1) ... [2020-11-29 18:49:53,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:49:53,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:49:54,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:49:54,239 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:49:54,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:49:54,831 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:49:54,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54 WrapperNode [2020-11-29 18:49:54,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:49:54,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:49:54,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:49:54,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:49:54,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:54,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:49:55,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:49:55,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:49:55,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:49:55,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... [2020-11-29 18:49:55,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:49:55,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:49:55,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:49:55,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:49:55,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/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 18:49:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:49:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:49:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:49:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:50:00,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:50:00,461 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 18:50:00,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:00 BoogieIcfgContainer [2020-11-29 18:50:00,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:50:00,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:50:00,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:50:00,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:50:00,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:49:53" (1/3) ... [2020-11-29 18:50:00,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9178bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:00, skipping insertion in model container [2020-11-29 18:50:00,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:54" (2/3) ... [2020-11-29 18:50:00,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9178bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:00, skipping insertion in model container [2020-11-29 18:50:00,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:00" (3/3) ... [2020-11-29 18:50:00,482 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label43.c [2020-11-29 18:50:00,502 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:50:00,510 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:50:00,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:50:00,580 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:50:00,581 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:50:00,581 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:50:00,581 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:50:00,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:50:00,582 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:50:00,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:50:00,582 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:50:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-11-29 18:50:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:50:00,632 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:00,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:50:00,634 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:00,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-11-29 18:50:00,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:00,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706748174] [2020-11-29 18:50:00,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:01,043 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 18:50:01,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706748174] [2020-11-29 18:50:01,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:01,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:50:01,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663219116] [2020-11-29 18:50:01,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:01,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:01,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:01,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:01,072 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-11-29 18:50:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:05,359 INFO L93 Difference]: Finished difference Result 1155 states and 2107 transitions. [2020-11-29 18:50:05,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:05,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-29 18:50:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:05,386 INFO L225 Difference]: With dead ends: 1155 [2020-11-29 18:50:05,386 INFO L226 Difference]: Without dead ends: 665 [2020-11-29 18:50:05,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:05,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-11-29 18:50:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2020-11-29 18:50:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-11-29 18:50:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2020-11-29 18:50:05,514 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 58 [2020-11-29 18:50:05,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:05,515 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2020-11-29 18:50:05,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2020-11-29 18:50:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-29 18:50:05,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:05,523 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:50:05,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:50:05,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:05,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:05,525 INFO L82 PathProgramCache]: Analyzing trace with hash -666636777, now seen corresponding path program 1 times [2020-11-29 18:50:05,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:05,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575848780] [2020-11-29 18:50:05,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:05,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575848780] [2020-11-29 18:50:05,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:05,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:50:05,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520508392] [2020-11-29 18:50:05,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:05,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:05,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:05,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:05,839 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand 3 states. [2020-11-29 18:50:08,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:08,736 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2020-11-29 18:50:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:08,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-29 18:50:08,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:08,751 INFO L225 Difference]: With dead ends: 1624 [2020-11-29 18:50:08,751 INFO L226 Difference]: Without dead ends: 963 [2020-11-29 18:50:08,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-11-29 18:50:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2020-11-29 18:50:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-11-29 18:50:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2020-11-29 18:50:08,826 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 123 [2020-11-29 18:50:08,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:08,829 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2020-11-29 18:50:08,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2020-11-29 18:50:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-29 18:50:08,848 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:08,849 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:50:08,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:50:08,850 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:08,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1519167396, now seen corresponding path program 1 times [2020-11-29 18:50:08,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:08,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748961498] [2020-11-29 18:50:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:09,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748961498] [2020-11-29 18:50:09,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:09,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:50:09,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928371215] [2020-11-29 18:50:09,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:50:09,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:09,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:50:09,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:50:09,162 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand 5 states. [2020-11-29 18:50:13,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:13,838 INFO L93 Difference]: Finished difference Result 2248 states and 3205 transitions. [2020-11-29 18:50:13,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:50:13,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-11-29 18:50:13,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:13,849 INFO L225 Difference]: With dead ends: 2248 [2020-11-29 18:50:13,849 INFO L226 Difference]: Without dead ends: 1586 [2020-11-29 18:50:13,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:50:13,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-11-29 18:50:13,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1266. [2020-11-29 18:50:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2020-11-29 18:50:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2020-11-29 18:50:13,915 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 128 [2020-11-29 18:50:13,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:13,918 INFO L481 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2020-11-29 18:50:13,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:50:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2020-11-29 18:50:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-11-29 18:50:13,924 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:13,925 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:50:13,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:50:13,926 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:13,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1974036873, now seen corresponding path program 1 times [2020-11-29 18:50:13,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:13,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803023036] [2020-11-29 18:50:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:14,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803023036] [2020-11-29 18:50:14,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:14,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:50:14,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848915019] [2020-11-29 18:50:14,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:50:14,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:14,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:50:14,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:50:14,243 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand 4 states. [2020-11-29 18:50:23,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:23,415 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2020-11-29 18:50:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:50:23,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2020-11-29 18:50:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:23,444 INFO L225 Difference]: With dead ends: 4670 [2020-11-29 18:50:23,444 INFO L226 Difference]: Without dead ends: 3406 [2020-11-29 18:50:23,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:50:23,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2020-11-29 18:50:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2020-11-29 18:50:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-11-29 18:50:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4181 transitions. [2020-11-29 18:50:23,557 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4181 transitions. Word has length 224 [2020-11-29 18:50:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:23,559 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 4181 transitions. [2020-11-29 18:50:23,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:50:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4181 transitions. [2020-11-29 18:50:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-29 18:50:23,566 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:23,567 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:50:23,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:50:23,568 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:23,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:23,568 INFO L82 PathProgramCache]: Analyzing trace with hash 785122111, now seen corresponding path program 1 times [2020-11-29 18:50:23,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:23,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010023663] [2020-11-29 18:50:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 18:50:23,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010023663] [2020-11-29 18:50:23,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:23,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:50:23,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445565145] [2020-11-29 18:50:23,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:23,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:23,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:23,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:23,945 INFO L87 Difference]: Start difference. First operand 3381 states and 4181 transitions. Second operand 3 states. [2020-11-29 18:50:27,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:27,063 INFO L93 Difference]: Finished difference Result 8563 states and 10756 transitions. [2020-11-29 18:50:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:27,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-11-29 18:50:27,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:27,102 INFO L225 Difference]: With dead ends: 8563 [2020-11-29 18:50:27,102 INFO L226 Difference]: Without dead ends: 5483 [2020-11-29 18:50:27,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:27,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2020-11-29 18:50:27,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2020-11-29 18:50:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-29 18:50:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6402 transitions. [2020-11-29 18:50:27,276 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6402 transitions. Word has length 228 [2020-11-29 18:50:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:27,277 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6402 transitions. [2020-11-29 18:50:27,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6402 transitions. [2020-11-29 18:50:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-29 18:50:27,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:27,287 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:27,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:50:27,287 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:27,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:27,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1059450811, now seen corresponding path program 1 times [2020-11-29 18:50:27,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:27,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359940090] [2020-11-29 18:50:27,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-29 18:50:27,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359940090] [2020-11-29 18:50:27,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:27,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:50:27,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738428540] [2020-11-29 18:50:27,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:27,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:27,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:27,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:27,967 INFO L87 Difference]: Start difference. First operand 5478 states and 6402 transitions. Second operand 3 states. [2020-11-29 18:50:32,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:32,281 INFO L93 Difference]: Finished difference Result 10655 states and 12491 transitions. [2020-11-29 18:50:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:32,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-11-29 18:50:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:32,355 INFO L225 Difference]: With dead ends: 10655 [2020-11-29 18:50:32,355 INFO L226 Difference]: Without dead ends: 5478 [2020-11-29 18:50:32,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:32,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2020-11-29 18:50:32,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2020-11-29 18:50:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-29 18:50:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6396 transitions. [2020-11-29 18:50:32,537 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6396 transitions. Word has length 330 [2020-11-29 18:50:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:32,543 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6396 transitions. [2020-11-29 18:50:32,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6396 transitions. [2020-11-29 18:50:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-11-29 18:50:32,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:32,552 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:32,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:50:32,553 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:32,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash -361989672, now seen corresponding path program 1 times [2020-11-29 18:50:32,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:32,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158357368] [2020-11-29 18:50:32,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-11-29 18:50:32,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158357368] [2020-11-29 18:50:32,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:32,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:50:32,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633628357] [2020-11-29 18:50:32,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:32,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:32,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:32,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:32,984 INFO L87 Difference]: Start difference. First operand 5478 states and 6396 transitions. Second operand 3 states. [2020-11-29 18:50:38,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:38,004 INFO L93 Difference]: Finished difference Result 11851 states and 14153 transitions. [2020-11-29 18:50:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:38,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2020-11-29 18:50:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:38,067 INFO L225 Difference]: With dead ends: 11851 [2020-11-29 18:50:38,067 INFO L226 Difference]: Without dead ends: 6674 [2020-11-29 18:50:38,076 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 18:50:38,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2020-11-29 18:50:38,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5175. [2020-11-29 18:50:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5175 states. [2020-11-29 18:50:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 6079 transitions. [2020-11-29 18:50:38,233 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 6079 transitions. Word has length 345 [2020-11-29 18:50:38,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:38,234 INFO L481 AbstractCegarLoop]: Abstraction has 5175 states and 6079 transitions. [2020-11-29 18:50:38,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 6079 transitions. [2020-11-29 18:50:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2020-11-29 18:50:38,245 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:38,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:38,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:50:38,246 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:38,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:38,247 INFO L82 PathProgramCache]: Analyzing trace with hash -301608873, now seen corresponding path program 1 times [2020-11-29 18:50:38,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:38,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19161921] [2020-11-29 18:50:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 18:50:38,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19161921] [2020-11-29 18:50:38,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:38,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:50:38,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041910098] [2020-11-29 18:50:38,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:38,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:38,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:38,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:38,817 INFO L87 Difference]: Start difference. First operand 5175 states and 6079 transitions. Second operand 3 states. [2020-11-29 18:50:42,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:42,490 INFO L93 Difference]: Finished difference Result 12455 states and 14903 transitions. [2020-11-29 18:50:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:42,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 404 [2020-11-29 18:50:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:42,589 INFO L225 Difference]: With dead ends: 12455 [2020-11-29 18:50:42,589 INFO L226 Difference]: Without dead ends: 7581 [2020-11-29 18:50:42,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 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 18:50:42,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2020-11-29 18:50:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 5782. [2020-11-29 18:50:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5782 states. [2020-11-29 18:50:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 7010 transitions. [2020-11-29 18:50:42,783 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 7010 transitions. Word has length 404 [2020-11-29 18:50:42,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:42,785 INFO L481 AbstractCegarLoop]: Abstraction has 5782 states and 7010 transitions. [2020-11-29 18:50:42,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 7010 transitions. [2020-11-29 18:50:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2020-11-29 18:50:42,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:42,801 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:42,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:50:42,802 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:42,803 INFO L82 PathProgramCache]: Analyzing trace with hash -827999676, now seen corresponding path program 1 times [2020-11-29 18:50:42,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:42,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782443132] [2020-11-29 18:50:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:50:43,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782443132] [2020-11-29 18:50:43,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:43,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:50:43,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060301855] [2020-11-29 18:50:43,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:43,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:43,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:43,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:43,203 INFO L87 Difference]: Start difference. First operand 5782 states and 7010 transitions. Second operand 3 states. [2020-11-29 18:50:49,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:49,050 INFO L93 Difference]: Finished difference Result 12165 states and 14764 transitions. [2020-11-29 18:50:49,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:49,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 421 [2020-11-29 18:50:49,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:49,071 INFO L225 Difference]: With dead ends: 12165 [2020-11-29 18:50:49,072 INFO L226 Difference]: Without dead ends: 6684 [2020-11-29 18:50:49,081 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 18:50:49,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2020-11-29 18:50:49,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 6382. [2020-11-29 18:50:49,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6382 states. [2020-11-29 18:50:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6382 states to 6382 states and 7264 transitions. [2020-11-29 18:50:49,211 INFO L78 Accepts]: Start accepts. Automaton has 6382 states and 7264 transitions. Word has length 421 [2020-11-29 18:50:49,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:49,212 INFO L481 AbstractCegarLoop]: Abstraction has 6382 states and 7264 transitions. [2020-11-29 18:50:49,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6382 states and 7264 transitions. [2020-11-29 18:50:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-11-29 18:50:49,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:49,219 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:49,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:50:49,220 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:49,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:49,220 INFO L82 PathProgramCache]: Analyzing trace with hash 679493450, now seen corresponding path program 1 times [2020-11-29 18:50:49,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:49,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464200387] [2020-11-29 18:50:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-11-29 18:50:49,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464200387] [2020-11-29 18:50:49,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:49,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:50:49,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588150967] [2020-11-29 18:50:49,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:49,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:49,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:49,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:49,734 INFO L87 Difference]: Start difference. First operand 6382 states and 7264 transitions. Second operand 3 states. [2020-11-29 18:50:53,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:53,285 INFO L93 Difference]: Finished difference Result 14259 states and 16512 transitions. [2020-11-29 18:50:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:53,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 426 [2020-11-29 18:50:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:53,310 INFO L225 Difference]: With dead ends: 14259 [2020-11-29 18:50:53,310 INFO L226 Difference]: Without dead ends: 8178 [2020-11-29 18:50:53,318 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 18:50:53,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8178 states. [2020-11-29 18:50:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8178 to 8174. [2020-11-29 18:50:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8174 states. [2020-11-29 18:50:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8174 states to 8174 states and 9197 transitions. [2020-11-29 18:50:53,464 INFO L78 Accepts]: Start accepts. Automaton has 8174 states and 9197 transitions. Word has length 426 [2020-11-29 18:50:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:53,465 INFO L481 AbstractCegarLoop]: Abstraction has 8174 states and 9197 transitions. [2020-11-29 18:50:53,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 8174 states and 9197 transitions. [2020-11-29 18:50:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-11-29 18:50:53,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:53,475 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:53,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:50:53,476 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:53,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:53,477 INFO L82 PathProgramCache]: Analyzing trace with hash 629144477, now seen corresponding path program 1 times [2020-11-29 18:50:53,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:53,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814867899] [2020-11-29 18:50:53,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-11-29 18:50:54,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814867899] [2020-11-29 18:50:54,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:50:54,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:50:54,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628760717] [2020-11-29 18:50:54,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:50:54,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:50:54,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:50:54,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:50:54,111 INFO L87 Difference]: Start difference. First operand 8174 states and 9197 transitions. Second operand 3 states. [2020-11-29 18:50:57,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:50:57,668 INFO L93 Difference]: Finished difference Result 18139 states and 20756 transitions. [2020-11-29 18:50:57,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:50:57,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 522 [2020-11-29 18:50:57,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:50:57,694 INFO L225 Difference]: With dead ends: 18139 [2020-11-29 18:50:57,694 INFO L226 Difference]: Without dead ends: 10266 [2020-11-29 18:50:57,704 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 18:50:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10266 states. [2020-11-29 18:50:57,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10266 to 10266. [2020-11-29 18:50:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10266 states. [2020-11-29 18:50:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10266 states to 10266 states and 11694 transitions. [2020-11-29 18:50:57,925 INFO L78 Accepts]: Start accepts. Automaton has 10266 states and 11694 transitions. Word has length 522 [2020-11-29 18:50:57,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:50:57,927 INFO L481 AbstractCegarLoop]: Abstraction has 10266 states and 11694 transitions. [2020-11-29 18:50:57,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:50:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 10266 states and 11694 transitions. [2020-11-29 18:50:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2020-11-29 18:50:57,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:50:57,941 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:50:57,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:50:57,942 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:50:57,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:50:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash -760728407, now seen corresponding path program 1 times [2020-11-29 18:50:57,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:50:57,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706415106] [2020-11-29 18:50:57,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:50:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 608 proven. 39 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-11-29 18:50:58,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706415106] [2020-11-29 18:50:58,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539396707] [2020-11-29 18:50:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:50:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:50:59,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:50:59,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:51:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-11-29 18:51:00,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:51:00,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:51:00,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106600695] [2020-11-29 18:51:00,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:51:00,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:00,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:51:00,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:51:00,603 INFO L87 Difference]: Start difference. First operand 10266 states and 11694 transitions. Second operand 4 states. [2020-11-29 18:51:06,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:06,617 INFO L93 Difference]: Finished difference Result 22327 states and 25346 transitions. [2020-11-29 18:51:06,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:51:06,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 613 [2020-11-29 18:51:06,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:06,649 INFO L225 Difference]: With dead ends: 22327 [2020-11-29 18:51:06,650 INFO L226 Difference]: Without dead ends: 11764 [2020-11-29 18:51:06,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:51:06,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11764 states. [2020-11-29 18:51:06,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11764 to 11163. [2020-11-29 18:51:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11163 states. [2020-11-29 18:51:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11163 states to 11163 states and 12625 transitions. [2020-11-29 18:51:06,941 INFO L78 Accepts]: Start accepts. Automaton has 11163 states and 12625 transitions. Word has length 613 [2020-11-29 18:51:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:06,942 INFO L481 AbstractCegarLoop]: Abstraction has 11163 states and 12625 transitions. [2020-11-29 18:51:06,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:51:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 11163 states and 12625 transitions. [2020-11-29 18:51:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-11-29 18:51:06,958 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:06,961 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:07,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 18:51:07,177 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:07,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:07,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1990186625, now seen corresponding path program 1 times [2020-11-29 18:51:07,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:07,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331640234] [2020-11-29 18:51:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 454 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2020-11-29 18:51:07,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331640234] [2020-11-29 18:51:07,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:07,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:07,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226238711] [2020-11-29 18:51:07,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:07,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:07,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:07,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:07,909 INFO L87 Difference]: Start difference. First operand 11163 states and 12625 transitions. Second operand 3 states. [2020-11-29 18:51:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:14,896 INFO L93 Difference]: Finished difference Result 22621 states and 25585 transitions. [2020-11-29 18:51:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:14,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 655 [2020-11-29 18:51:14,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:14,922 INFO L225 Difference]: With dead ends: 22621 [2020-11-29 18:51:14,922 INFO L226 Difference]: Without dead ends: 11460 [2020-11-29 18:51:14,939 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 18:51:14,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11460 states. [2020-11-29 18:51:15,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11460 to 11161. [2020-11-29 18:51:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11161 states. [2020-11-29 18:51:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11161 states to 11161 states and 12621 transitions. [2020-11-29 18:51:15,137 INFO L78 Accepts]: Start accepts. Automaton has 11161 states and 12621 transitions. Word has length 655 [2020-11-29 18:51:15,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:15,139 INFO L481 AbstractCegarLoop]: Abstraction has 11161 states and 12621 transitions. [2020-11-29 18:51:15,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 11161 states and 12621 transitions. [2020-11-29 18:51:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2020-11-29 18:51:15,154 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:15,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:15,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 18:51:15,155 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:15,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1122635760, now seen corresponding path program 1 times [2020-11-29 18:51:15,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:15,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067945567] [2020-11-29 18:51:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2020-11-29 18:51:15,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067945567] [2020-11-29 18:51:15,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:15,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:15,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998650678] [2020-11-29 18:51:15,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:15,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:15,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:15,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:15,995 INFO L87 Difference]: Start difference. First operand 11161 states and 12621 transitions. Second operand 3 states. [2020-11-29 18:51:21,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:21,254 INFO L93 Difference]: Finished difference Result 25932 states and 29542 transitions. [2020-11-29 18:51:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:21,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 683 [2020-11-29 18:51:21,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:21,291 INFO L225 Difference]: With dead ends: 25932 [2020-11-29 18:51:21,292 INFO L226 Difference]: Without dead ends: 14773 [2020-11-29 18:51:21,304 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 18:51:21,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14773 states. [2020-11-29 18:51:21,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14773 to 14160. [2020-11-29 18:51:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14160 states. [2020-11-29 18:51:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14160 states to 14160 states and 16249 transitions. [2020-11-29 18:51:21,608 INFO L78 Accepts]: Start accepts. Automaton has 14160 states and 16249 transitions. Word has length 683 [2020-11-29 18:51:21,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:21,609 INFO L481 AbstractCegarLoop]: Abstraction has 14160 states and 16249 transitions. [2020-11-29 18:51:21,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 14160 states and 16249 transitions. [2020-11-29 18:51:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2020-11-29 18:51:21,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:21,630 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:21,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 18:51:21,630 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:21,631 INFO L82 PathProgramCache]: Analyzing trace with hash 217906475, now seen corresponding path program 1 times [2020-11-29 18:51:21,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:21,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631519216] [2020-11-29 18:51:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-11-29 18:51:22,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631519216] [2020-11-29 18:51:22,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:22,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:22,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177972453] [2020-11-29 18:51:22,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:22,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:22,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:22,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:22,380 INFO L87 Difference]: Start difference. First operand 14160 states and 16249 transitions. Second operand 3 states. [2020-11-29 18:51:26,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:26,456 INFO L93 Difference]: Finished difference Result 31012 states and 36128 transitions. [2020-11-29 18:51:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:26,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 689 [2020-11-29 18:51:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:26,491 INFO L225 Difference]: With dead ends: 31012 [2020-11-29 18:51:26,491 INFO L226 Difference]: Without dead ends: 16854 [2020-11-29 18:51:26,503 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 18:51:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16854 states. [2020-11-29 18:51:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16854 to 16555. [2020-11-29 18:51:26,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16555 states. [2020-11-29 18:51:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16555 states to 16555 states and 18753 transitions. [2020-11-29 18:51:26,892 INFO L78 Accepts]: Start accepts. Automaton has 16555 states and 18753 transitions. Word has length 689 [2020-11-29 18:51:26,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:26,893 INFO L481 AbstractCegarLoop]: Abstraction has 16555 states and 18753 transitions. [2020-11-29 18:51:26,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 16555 states and 18753 transitions. [2020-11-29 18:51:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2020-11-29 18:51:26,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:26,920 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:26,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 18:51:26,920 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:26,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1305496128, now seen corresponding path program 1 times [2020-11-29 18:51:26,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:26,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443483864] [2020-11-29 18:51:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-11-29 18:51:27,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443483864] [2020-11-29 18:51:27,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:27,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:27,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177754568] [2020-11-29 18:51:27,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:27,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:27,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:27,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:27,749 INFO L87 Difference]: Start difference. First operand 16555 states and 18753 transitions. Second operand 3 states. [2020-11-29 18:51:32,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:32,272 INFO L93 Difference]: Finished difference Result 40868 states and 46355 transitions. [2020-11-29 18:51:32,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:32,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 724 [2020-11-29 18:51:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:32,316 INFO L225 Difference]: With dead ends: 40868 [2020-11-29 18:51:32,316 INFO L226 Difference]: Without dead ends: 19232 [2020-11-29 18:51:32,332 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 18:51:32,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19232 states. [2020-11-29 18:51:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19232 to 15643. [2020-11-29 18:51:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15643 states. [2020-11-29 18:51:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 17001 transitions. [2020-11-29 18:51:32,616 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 17001 transitions. Word has length 724 [2020-11-29 18:51:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:32,617 INFO L481 AbstractCegarLoop]: Abstraction has 15643 states and 17001 transitions. [2020-11-29 18:51:32,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 17001 transitions. [2020-11-29 18:51:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2020-11-29 18:51:32,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:32,647 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:32,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 18:51:32,647 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:32,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:32,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1659045315, now seen corresponding path program 1 times [2020-11-29 18:51:32,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:32,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018974681] [2020-11-29 18:51:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-11-29 18:51:34,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018974681] [2020-11-29 18:51:34,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:34,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:34,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340481344] [2020-11-29 18:51:34,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:34,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:34,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:34,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:34,231 INFO L87 Difference]: Start difference. First operand 15643 states and 17001 transitions. Second operand 3 states. [2020-11-29 18:51:38,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:38,275 INFO L93 Difference]: Finished difference Result 38160 states and 41317 transitions. [2020-11-29 18:51:38,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:38,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 900 [2020-11-29 18:51:38,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:38,308 INFO L225 Difference]: With dead ends: 38160 [2020-11-29 18:51:38,308 INFO L226 Difference]: Without dead ends: 22519 [2020-11-29 18:51:38,317 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 18:51:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22519 states. [2020-11-29 18:51:38,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22519 to 20725. [2020-11-29 18:51:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20725 states. [2020-11-29 18:51:38,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20725 states to 20725 states and 22230 transitions. [2020-11-29 18:51:38,594 INFO L78 Accepts]: Start accepts. Automaton has 20725 states and 22230 transitions. Word has length 900 [2020-11-29 18:51:38,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:38,595 INFO L481 AbstractCegarLoop]: Abstraction has 20725 states and 22230 transitions. [2020-11-29 18:51:38,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 20725 states and 22230 transitions. [2020-11-29 18:51:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 915 [2020-11-29 18:51:38,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:38,622 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:38,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 18:51:38,623 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:38,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1156386697, now seen corresponding path program 1 times [2020-11-29 18:51:38,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:38,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121486856] [2020-11-29 18:51:38,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 806 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2020-11-29 18:51:39,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121486856] [2020-11-29 18:51:39,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:39,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:39,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862914016] [2020-11-29 18:51:39,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:39,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:39,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:39,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:39,791 INFO L87 Difference]: Start difference. First operand 20725 states and 22230 transitions. Second operand 3 states. [2020-11-29 18:51:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:43,837 INFO L93 Difference]: Finished difference Result 45648 states and 48940 transitions. [2020-11-29 18:51:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:43,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 914 [2020-11-29 18:51:43,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:43,869 INFO L225 Difference]: With dead ends: 45648 [2020-11-29 18:51:43,869 INFO L226 Difference]: Without dead ends: 24925 [2020-11-29 18:51:43,887 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 18:51:43,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24925 states. [2020-11-29 18:51:44,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24925 to 24315. [2020-11-29 18:51:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24315 states. [2020-11-29 18:51:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24315 states to 24315 states and 25910 transitions. [2020-11-29 18:51:44,305 INFO L78 Accepts]: Start accepts. Automaton has 24315 states and 25910 transitions. Word has length 914 [2020-11-29 18:51:44,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:44,306 INFO L481 AbstractCegarLoop]: Abstraction has 24315 states and 25910 transitions. [2020-11-29 18:51:44,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 24315 states and 25910 transitions. [2020-11-29 18:51:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2020-11-29 18:51:44,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:44,338 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:44,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 18:51:44,338 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:44,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:44,339 INFO L82 PathProgramCache]: Analyzing trace with hash -278506086, now seen corresponding path program 1 times [2020-11-29 18:51:44,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:44,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578988060] [2020-11-29 18:51:44,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 792 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2020-11-29 18:51:45,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578988060] [2020-11-29 18:51:45,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:45,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:45,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534329086] [2020-11-29 18:51:45,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:45,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:45,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:45,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:45,365 INFO L87 Difference]: Start difference. First operand 24315 states and 25910 transitions. Second operand 3 states. [2020-11-29 18:51:48,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:48,873 INFO L93 Difference]: Finished difference Result 49524 states and 52753 transitions. [2020-11-29 18:51:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:48,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 956 [2020-11-29 18:51:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:48,900 INFO L225 Difference]: With dead ends: 49524 [2020-11-29 18:51:48,901 INFO L226 Difference]: Without dead ends: 25211 [2020-11-29 18:51:48,910 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 18:51:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25211 states. [2020-11-29 18:51:49,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25211 to 24314. [2020-11-29 18:51:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24314 states. [2020-11-29 18:51:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24314 states to 24314 states and 25908 transitions. [2020-11-29 18:51:49,186 INFO L78 Accepts]: Start accepts. Automaton has 24314 states and 25908 transitions. Word has length 956 [2020-11-29 18:51:49,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:49,187 INFO L481 AbstractCegarLoop]: Abstraction has 24314 states and 25908 transitions. [2020-11-29 18:51:49,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24314 states and 25908 transitions. [2020-11-29 18:51:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2020-11-29 18:51:49,203 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:51:49,204 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:49,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 18:51:49,205 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:51:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:49,206 INFO L82 PathProgramCache]: Analyzing trace with hash -236165634, now seen corresponding path program 1 times [2020-11-29 18:51:49,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:49,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402997452] [2020-11-29 18:51:49,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2020-11-29 18:51:50,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402997452] [2020-11-29 18:51:50,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:50,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:50,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460279383] [2020-11-29 18:51:50,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:51:50,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:50,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:50,390 INFO L87 Difference]: Start difference. First operand 24314 states and 25908 transitions. Second operand 3 states. [2020-11-29 18:51:54,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:54,740 INFO L93 Difference]: Finished difference Result 51032 states and 54306 transitions. [2020-11-29 18:51:54,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:54,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 990 [2020-11-29 18:51:54,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:51:54,743 INFO L225 Difference]: With dead ends: 51032 [2020-11-29 18:51:54,743 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:51:54,759 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 18:51:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:51:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:51:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:51:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:51:54,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 990 [2020-11-29 18:51:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:51:54,762 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:51:54,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:51:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:51:54,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:51:54,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 18:51:54,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:51:55,169 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 83 [2020-11-29 18:51:55,426 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 89 [2020-11-29 18:51:55,694 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 83 [2020-11-29 18:51:56,372 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2020-11-29 18:51:57,010 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 45 [2020-11-29 18:51:57,556 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 45 [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-11-29 18:51:57,563 INFO L274 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,564 INFO L274 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,565 INFO L274 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,566 INFO L274 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,567 INFO L274 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,568 INFO L274 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,569 INFO L274 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-11-29 18:51:57,569 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-11-29 18:51:57,569 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,569 INFO L274 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,569 INFO L274 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,569 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,570 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 18:51:57,570 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,570 INFO L274 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,570 INFO L274 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,570 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,570 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,571 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,571 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-11-29 18:51:57,571 INFO L274 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,571 INFO L274 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-11-29 18:51:57,571 INFO L274 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-11-29 18:51:57,571 INFO L274 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,572 INFO L274 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 18:51:57,573 INFO L274 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-11-29 18:51:57,574 INFO L274 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 18:51:57,575 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,576 INFO L274 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,577 INFO L274 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,578 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,579 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,580 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,581 INFO L274 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,582 INFO L274 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 18:51:57,583 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 18:51:57,584 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-11-29 18:51:57,585 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,586 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,587 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,588 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,589 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,589 INFO L270 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse0 (= 2 ~a2~0)) (.cse3 (<= (+ ~a4~0 42) 0)) (.cse2 (< 0 (+ ~a0~0 61))) (.cse1 (<= (+ ~a4~0 89) 0))) (or (= ~a2~0 1) (and (< 43 ~a29~0) .cse0) (and .cse1 .cse2) (and .cse3 (not .cse0)) (and .cse3 (< 0 (+ ~a4~0 86))) (and .cse1 (<= 0 (+ ~a29~0 57))) (and .cse3 (<= (+ ~a29~0 127) 0) .cse2) (and .cse3 (<= 0 (+ ~a29~0 16)) .cse2) (and .cse1 (<= (+ ~a0~0 98) 0)))) [2020-11-29 18:51:57,589 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 18:51:57,589 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-11-29 18:51:57,590 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L277 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,591 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-11-29 18:51:57,592 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-11-29 18:51:57,593 INFO L274 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,593 INFO L274 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:51:57,593 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,593 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,594 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,594 INFO L274 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,594 INFO L270 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse0 (= 2 ~a2~0)) (.cse3 (<= (+ ~a4~0 42) 0)) (.cse2 (< 0 (+ ~a0~0 61))) (.cse1 (<= (+ ~a4~0 89) 0))) (or (= ~a2~0 1) (and (< 43 ~a29~0) .cse0) (and .cse1 .cse2) (and .cse3 (not .cse0)) (and .cse3 (< 0 (+ ~a4~0 86))) (and .cse1 (<= 0 (+ ~a29~0 57))) (and .cse3 (<= (+ ~a29~0 127) 0) .cse2) (and .cse3 (<= 0 (+ ~a29~0 16)) .cse2) (and .cse1 (<= (+ ~a0~0 98) 0)))) [2020-11-29 18:51:57,594 INFO L274 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,595 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 18:51:57,595 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 18:51:57,595 INFO L274 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,595 INFO L274 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,595 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,596 INFO L274 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,596 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,596 INFO L274 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,596 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 18:51:57,596 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 18:51:57,596 INFO L274 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,597 INFO L274 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,598 INFO L274 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,598 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 18:51:57,598 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 18:51:57,598 INFO L274 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,598 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,598 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,599 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,599 INFO L274 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,599 INFO L274 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,599 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 18:51:57,599 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,599 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 18:51:57,600 INFO L274 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,600 INFO L274 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,600 INFO L274 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,600 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,600 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,600 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,601 INFO L274 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,601 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 18:51:57,601 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 18:51:57,601 INFO L274 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,601 INFO L274 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,601 INFO L274 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,602 INFO L274 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,602 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,602 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,602 INFO L274 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,602 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 18:51:57,602 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 18:51:57,603 INFO L274 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,603 INFO L274 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,603 INFO L274 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,603 INFO L274 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,603 INFO L274 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,603 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,604 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,604 INFO L274 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-11-29 18:51:57,604 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-11-29 18:51:57,604 INFO L274 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,604 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 18:51:57,604 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 18:51:57,605 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,605 INFO L274 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,605 INFO L274 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,605 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,605 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,605 INFO L274 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,606 INFO L270 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse0 (= 2 ~a2~0)) (.cse3 (<= (+ ~a4~0 42) 0)) (.cse2 (< 0 (+ ~a0~0 61))) (.cse1 (<= (+ ~a4~0 89) 0))) (or (= ~a2~0 1) (and (< 43 ~a29~0) .cse0) (and .cse1 .cse2) (and .cse3 (not .cse0)) (and .cse3 (< 0 (+ ~a4~0 86))) (and .cse1 (<= 0 (+ ~a29~0 57))) (and .cse3 (<= (+ ~a29~0 127) 0) .cse2) (and .cse3 (<= 0 (+ ~a29~0 16)) .cse2) (and .cse1 (<= (+ ~a0~0 98) 0)))) [2020-11-29 18:51:57,606 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 18:51:57,606 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 18:51:57,606 INFO L274 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,607 INFO L274 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,607 INFO L274 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,607 INFO L274 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,607 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,612 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,613 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,613 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,613 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 18:51:57,613 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 18:51:57,613 INFO L274 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,613 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-11-29 18:51:57,614 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-11-29 18:51:57,614 INFO L274 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,614 INFO L274 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,614 INFO L274 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,614 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,615 INFO L274 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,615 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,615 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:51:57,615 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 18:51:57,615 INFO L274 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,616 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,616 INFO L274 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,616 INFO L274 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,616 INFO L274 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-11-29 18:51:57,616 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-11-29 18:51:57,616 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-11-29 18:51:57,617 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,617 INFO L274 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-11-29 18:51:57,617 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 18:51:57,617 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,617 INFO L274 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,617 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,618 INFO L274 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,618 INFO L274 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,618 INFO L274 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,618 INFO L274 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,618 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 18:51:57,618 INFO L274 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,619 INFO L274 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,619 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,619 INFO L274 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,619 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 18:51:57,619 INFO L274 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,619 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,620 INFO L274 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-11-29 18:51:57,620 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,620 INFO L274 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,620 INFO L274 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,620 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,620 INFO L274 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,621 INFO L274 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,621 INFO L274 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,621 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-29 18:51:57,621 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-29 18:51:57,621 INFO L274 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,621 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 18:51:57,622 INFO L274 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,622 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 18:51:57,622 INFO L274 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,622 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 18:51:57,622 INFO L274 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-11-29 18:51:57,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:51:57 BoogieIcfgContainer [2020-11-29 18:51:57,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:51:57,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:51:57,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:51:57,666 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:51:57,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:00" (3/4) ... [2020-11-29 18:51:57,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:51:57,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 18:51:57,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:51:57,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:51:57,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:51:58,100 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63031433-efb7-49ea-95c8-81cfcabd05c2/bin/uautomizer/witness.graphml [2020-11-29 18:51:58,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:51:58,102 INFO L168 Benchmark]: Toolchain (without parser) took 125053.82 ms. Allocated memory was 94.4 MB in the beginning and 2.0 GB in the end (delta: 2.0 GB). Free memory was 53.3 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 405.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,103 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 75.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:51:58,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1782.14 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 53.1 MB in the beginning and 53.5 MB in the end (delta: -466.8 kB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.98 ms. Allocated memory is still 119.5 MB. Free memory was 53.5 MB in the beginning and 53.2 MB in the end (delta: 291.8 kB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,104 INFO L168 Benchmark]: Boogie Preprocessor took 383.49 ms. Allocated memory is still 119.5 MB. Free memory was 53.2 MB in the beginning and 52.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,105 INFO L168 Benchmark]: RCFGBuilder took 4894.33 ms. Allocated memory was 119.5 MB in the beginning and 304.1 MB in the end (delta: 184.5 MB). Free memory was 52.0 MB in the beginning and 183.0 MB in the end (delta: -131.0 MB). Peak memory consumption was 83.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,106 INFO L168 Benchmark]: TraceAbstraction took 117195.17 ms. Allocated memory was 304.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 182.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 974.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,106 INFO L168 Benchmark]: Witness Printer took 437.49 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:58,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 94.4 MB. Free memory is still 75.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1782.14 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 53.1 MB in the beginning and 53.5 MB in the end (delta: -466.8 kB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 347.98 ms. Allocated memory is still 119.5 MB. Free memory was 53.5 MB in the beginning and 53.2 MB in the end (delta: 291.8 kB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 383.49 ms. Allocated memory is still 119.5 MB. Free memory was 53.2 MB in the beginning and 52.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4894.33 ms. Allocated memory was 119.5 MB in the beginning and 304.1 MB in the end (delta: 184.5 MB). Free memory was 52.0 MB in the beginning and 183.0 MB in the end (delta: -131.0 MB). Peak memory consumption was 83.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 117195.17 ms. Allocated memory was 304.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 182.0 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 974.6 MB. Max. memory is 16.1 GB. * Witness Printer took 437.49 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1776]: Loop Invariant Derived loop invariant: (((((((a2 == 1 || (43 < a29 && 2 == a2)) || (a4 + 89 <= 0 && 0 < a0 + 61)) || (a4 + 42 <= 0 && !(2 == a2))) || (a4 + 42 <= 0 && 0 < a4 + 86)) || (a4 + 89 <= 0 && 0 <= a29 + 57)) || ((a4 + 42 <= 0 && a29 + 127 <= 0) && 0 < a0 + 61)) || ((a4 + 42 <= 0 && 0 <= a29 + 16) && 0 < a0 + 61)) || (a4 + 89 <= 0 && a0 + 98 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((a2 == 1 || (43 < a29 && 2 == a2)) || (a4 + 89 <= 0 && 0 < a0 + 61)) || (a4 + 42 <= 0 && !(2 == a2))) || (a4 + 42 <= 0 && 0 < a4 + 86)) || (a4 + 89 <= 0 && 0 <= a29 + 57)) || ((a4 + 42 <= 0 && a29 + 127 <= 0) && 0 < a0 + 61)) || ((a4 + 42 <= 0 && 0 <= a29 + 16) && 0 < a0 + 61)) || (a4 + 89 <= 0 && a0 + 98 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((a2 == 1 || (43 < a29 && 2 == a2)) || (a4 + 89 <= 0 && 0 < a0 + 61)) || (a4 + 42 <= 0 && !(2 == a2))) || (a4 + 42 <= 0 && 0 < a4 + 86)) || (a4 + 89 <= 0 && 0 <= a29 + 57)) || ((a4 + 42 <= 0 && a29 + 127 <= 0) && 0 < a0 + 61)) || ((a4 + 42 <= 0 && 0 <= a29 + 16) && 0 < a0 + 61)) || (a4 + 89 <= 0 && a0 + 98 <= 0) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 114.1s, OverallIterations: 20, TraceHistogramMax: 6, AutomataDifference: 93.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7314 SDtfs, 5572 SDslu, 767 SDs, 0 SdLazy, 20457 SolverSat, 4043 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 66.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 644 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24315occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 12658 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 330 NumberOfFragments, 292 HoareAnnotationTreeSize, 4 FomulaSimplifications, 34142 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3141 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 10946 NumberOfCodeBlocks, 10946 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 10925 ConstructedInterpolants, 0 QuantifiedInterpolants, 14063329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 12223/12262 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...