./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label29.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_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/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 98618c76bfa0eca070eb71a2130d02b24ef80e44 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:11:52,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:11:52,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:11:52,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:11:52,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:11:52,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:11:53,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:11:53,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:11:53,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:11:53,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:11:53,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:11:53,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:11:53,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:11:53,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:11:53,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:11:53,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:11:53,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:11:53,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:11:53,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:11:53,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:11:53,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:11:53,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:11:53,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:11:53,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:11:53,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:11:53,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:11:53,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:11:53,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:11:53,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:11:53,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:11:53,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:11:53,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:11:53,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:11:53,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:11:53,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:11:53,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:11:53,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:11:53,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:11:53,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:11:53,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:11:53,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:11:53,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:11:53,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:11:53,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:11:53,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:11:53,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:11:53,134 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:11:53,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:11:53,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:11:53,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:11:53,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:11:53,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:11:53,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:11:53,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:11:53,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:11:53,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:11:53,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:11:53,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:11:53,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:11:53,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:11:53,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:11:53,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:11:53,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:11:53,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:11:53,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:11:53,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:11:53,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:11:53,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:11:53,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:11:53,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:11:53,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:11:53,141 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_3d19911e-9e85-4cad-96ef-0a1c397b6790/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98618c76bfa0eca070eb71a2130d02b24ef80e44 [2020-11-29 22:11:53,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:11:53,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:11:53,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:11:53,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:11:53,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:11:53,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2020-11-29 22:11:53,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/data/e76ea4cd4/da14d717172e423cb2c26a0224607055/FLAGdbe26fc80 [2020-11-29 22:11:54,219 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:11:54,220 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/sv-benchmarks/c/eca-rers2012/Problem03_label29.c [2020-11-29 22:11:54,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/data/e76ea4cd4/da14d717172e423cb2c26a0224607055/FLAGdbe26fc80 [2020-11-29 22:11:54,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/data/e76ea4cd4/da14d717172e423cb2c26a0224607055 [2020-11-29 22:11:54,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:11:54,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:11:54,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:11:54,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:11:54,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:11:54,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:11:54" (1/1) ... [2020-11-29 22:11:54,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207ef1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:54, skipping insertion in model container [2020-11-29 22:11:54,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:11:54" (1/1) ... [2020-11-29 22:11:54,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:11:54,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:11:55,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:11:55,246 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:11:55,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:11:55,558 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:11:55,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55 WrapperNode [2020-11-29 22:11:55,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:11:55,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:11:55,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:11:55,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:11:55,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:11:55,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:11:55,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:11:55,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:11:55,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... [2020-11-29 22:11:55,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:11:55,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:11:55,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:11:55,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:11:55,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/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 22:11:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:11:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:11:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:11:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:11:58,374 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:11:58,375 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:11:58,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:11:58 BoogieIcfgContainer [2020-11-29 22:11:58,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:11:58,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:11:58,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:11:58,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:11:58,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:11:54" (1/3) ... [2020-11-29 22:11:58,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14233960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:11:58, skipping insertion in model container [2020-11-29 22:11:58,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:11:55" (2/3) ... [2020-11-29 22:11:58,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14233960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:11:58, skipping insertion in model container [2020-11-29 22:11:58,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:11:58" (3/3) ... [2020-11-29 22:11:58,389 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label29.c [2020-11-29 22:11:58,401 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:11:58,406 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:11:58,418 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:11:58,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:11:58,459 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:11:58,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:11:58,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:11:58,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:11:58,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:11:58,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:11:58,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:11:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-29 22:11:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-29 22:11:58,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:58,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:58,510 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:58,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:58,517 INFO L82 PathProgramCache]: Analyzing trace with hash 800753066, now seen corresponding path program 1 times [2020-11-29 22:11:58,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:58,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533942569] [2020-11-29 22:11:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:59,294 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 22:11:59,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533942569] [2020-11-29 22:11:59,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:59,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:11:59,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439699678] [2020-11-29 22:11:59,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:59,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:59,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:59,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:59,318 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-29 22:12:00,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:00,937 INFO L93 Difference]: Finished difference Result 811 states and 1446 transitions. [2020-11-29 22:12:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:00,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-11-29 22:12:00,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:00,955 INFO L225 Difference]: With dead ends: 811 [2020-11-29 22:12:00,955 INFO L226 Difference]: Without dead ends: 444 [2020-11-29 22:12:00,964 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 22:12:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-11-29 22:12:01,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2020-11-29 22:12:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-11-29 22:12:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 633 transitions. [2020-11-29 22:12:01,064 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 633 transitions. Word has length 178 [2020-11-29 22:12:01,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:01,067 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 633 transitions. [2020-11-29 22:12:01,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 633 transitions. [2020-11-29 22:12:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-29 22:12:01,083 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:01,083 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 22:12:01,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:12:01,084 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:01,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:01,087 INFO L82 PathProgramCache]: Analyzing trace with hash 872327563, now seen corresponding path program 1 times [2020-11-29 22:12:01,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:01,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384758325] [2020-11-29 22:12:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:12:01,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384758325] [2020-11-29 22:12:01,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:01,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:12:01,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15586430] [2020-11-29 22:12:01,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:01,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:01,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:01,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:01,244 INFO L87 Difference]: Start difference. First operand 444 states and 633 transitions. Second operand 3 states. [2020-11-29 22:12:02,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:02,495 INFO L93 Difference]: Finished difference Result 1312 states and 1878 transitions. [2020-11-29 22:12:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:02,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-11-29 22:12:02,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:02,504 INFO L225 Difference]: With dead ends: 1312 [2020-11-29 22:12:02,504 INFO L226 Difference]: Without dead ends: 870 [2020-11-29 22:12:02,507 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 22:12:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-11-29 22:12:02,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2020-11-29 22:12:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-11-29 22:12:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1192 transitions. [2020-11-29 22:12:02,560 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1192 transitions. Word has length 186 [2020-11-29 22:12:02,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:02,561 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1192 transitions. [2020-11-29 22:12:02,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1192 transitions. [2020-11-29 22:12:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-29 22:12:02,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:02,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:12:02,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:12:02,570 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:02,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:02,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1516638610, now seen corresponding path program 1 times [2020-11-29 22:12:02,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:02,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251215745] [2020-11-29 22:12:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:12:02,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251215745] [2020-11-29 22:12:02,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:02,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:12:02,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768489407] [2020-11-29 22:12:02,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:02,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:02,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:02,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:02,732 INFO L87 Difference]: Start difference. First operand 856 states and 1192 transitions. Second operand 3 states. [2020-11-29 22:12:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:04,009 INFO L93 Difference]: Finished difference Result 2535 states and 3531 transitions. [2020-11-29 22:12:04,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:04,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2020-11-29 22:12:04,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:04,021 INFO L225 Difference]: With dead ends: 2535 [2020-11-29 22:12:04,021 INFO L226 Difference]: Without dead ends: 1681 [2020-11-29 22:12:04,023 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 22:12:04,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-11-29 22:12:04,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1680. [2020-11-29 22:12:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2020-11-29 22:12:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2198 transitions. [2020-11-29 22:12:04,077 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2198 transitions. Word has length 198 [2020-11-29 22:12:04,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:04,077 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2198 transitions. [2020-11-29 22:12:04,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2198 transitions. [2020-11-29 22:12:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-29 22:12:04,087 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:04,088 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:04,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:12:04,088 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:04,089 INFO L82 PathProgramCache]: Analyzing trace with hash 128896908, now seen corresponding path program 1 times [2020-11-29 22:12:04,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:04,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514115078] [2020-11-29 22:12:04,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 22:12:04,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514115078] [2020-11-29 22:12:04,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:04,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:12:04,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617016422] [2020-11-29 22:12:04,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:04,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:04,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:04,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:04,256 INFO L87 Difference]: Start difference. First operand 1680 states and 2198 transitions. Second operand 3 states. [2020-11-29 22:12:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:05,551 INFO L93 Difference]: Finished difference Result 4173 states and 5623 transitions. [2020-11-29 22:12:05,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:05,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-11-29 22:12:05,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:05,566 INFO L225 Difference]: With dead ends: 4173 [2020-11-29 22:12:05,566 INFO L226 Difference]: Without dead ends: 2495 [2020-11-29 22:12:05,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2020-11-29 22:12:05,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2492. [2020-11-29 22:12:05,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2492 states. [2020-11-29 22:12:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3160 transitions. [2020-11-29 22:12:05,635 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3160 transitions. Word has length 212 [2020-11-29 22:12:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:05,635 INFO L481 AbstractCegarLoop]: Abstraction has 2492 states and 3160 transitions. [2020-11-29 22:12:05,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3160 transitions. [2020-11-29 22:12:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-29 22:12:05,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:05,644 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2020-11-29 22:12:05,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:12:05,644 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:05,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:05,645 INFO L82 PathProgramCache]: Analyzing trace with hash 267591806, now seen corresponding path program 1 times [2020-11-29 22:12:05,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:05,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882033574] [2020-11-29 22:12:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 22:12:05,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882033574] [2020-11-29 22:12:05,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:05,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:12:05,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872580126] [2020-11-29 22:12:05,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:12:05,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:05,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:12:05,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:12:05,786 INFO L87 Difference]: Start difference. First operand 2492 states and 3160 transitions. Second operand 4 states. [2020-11-29 22:12:07,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:07,108 INFO L93 Difference]: Finished difference Result 4959 states and 6290 transitions. [2020-11-29 22:12:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:12:07,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2020-11-29 22:12:07,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:07,123 INFO L225 Difference]: With dead ends: 4959 [2020-11-29 22:12:07,123 INFO L226 Difference]: Without dead ends: 2469 [2020-11-29 22:12:07,126 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 22:12:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2020-11-29 22:12:07,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 2465. [2020-11-29 22:12:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-11-29 22:12:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 2972 transitions. [2020-11-29 22:12:07,182 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 2972 transitions. Word has length 216 [2020-11-29 22:12:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:07,183 INFO L481 AbstractCegarLoop]: Abstraction has 2465 states and 2972 transitions. [2020-11-29 22:12:07,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:12:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 2972 transitions. [2020-11-29 22:12:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-29 22:12:07,190 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:07,190 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:12:07,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:12:07,191 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:07,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2055830927, now seen corresponding path program 1 times [2020-11-29 22:12:07,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:07,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329639355] [2020-11-29 22:12:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:12:07,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329639355] [2020-11-29 22:12:07,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643441723] [2020-11-29 22:12:07,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/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 22:12:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:07,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 22:12:07,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:12:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:12:07,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:12:07,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:12:07,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315265994] [2020-11-29 22:12:07,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:07,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:07,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:07,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:12:07,870 INFO L87 Difference]: Start difference. First operand 2465 states and 2972 transitions. Second operand 3 states. [2020-11-29 22:12:09,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:09,150 INFO L93 Difference]: Finished difference Result 7367 states and 8883 transitions. [2020-11-29 22:12:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:09,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-11-29 22:12:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:09,180 INFO L225 Difference]: With dead ends: 7367 [2020-11-29 22:12:09,180 INFO L226 Difference]: Without dead ends: 4904 [2020-11-29 22:12:09,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:12:09,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-11-29 22:12:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4901. [2020-11-29 22:12:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-11-29 22:12:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 5713 transitions. [2020-11-29 22:12:09,292 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 5713 transitions. Word has length 246 [2020-11-29 22:12:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:09,293 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 5713 transitions. [2020-11-29 22:12:09,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5713 transitions. [2020-11-29 22:12:09,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-11-29 22:12:09,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:09,306 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:12:09,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 22:12:09,534 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:09,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1724178926, now seen corresponding path program 1 times [2020-11-29 22:12:09,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:09,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124110412] [2020-11-29 22:12:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:12:09,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124110412] [2020-11-29 22:12:09,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:09,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:12:09,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25124051] [2020-11-29 22:12:09,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:09,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:09,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:09,795 INFO L87 Difference]: Start difference. First operand 4901 states and 5713 transitions. Second operand 3 states. [2020-11-29 22:12:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:10,736 INFO L93 Difference]: Finished difference Result 9803 states and 11429 transitions. [2020-11-29 22:12:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:10,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-11-29 22:12:10,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:10,774 INFO L225 Difference]: With dead ends: 9803 [2020-11-29 22:12:10,775 INFO L226 Difference]: Without dead ends: 4904 [2020-11-29 22:12:10,780 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 22:12:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2020-11-29 22:12:10,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4901. [2020-11-29 22:12:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4901 states. [2020-11-29 22:12:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 5572 transitions. [2020-11-29 22:12:10,887 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 5572 transitions. Word has length 256 [2020-11-29 22:12:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:10,887 INFO L481 AbstractCegarLoop]: Abstraction has 4901 states and 5572 transitions. [2020-11-29 22:12:10,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 5572 transitions. [2020-11-29 22:12:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-11-29 22:12:10,900 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:10,900 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:10,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:12:10,901 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:10,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1969398332, now seen corresponding path program 1 times [2020-11-29 22:12:10,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:10,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056883359] [2020-11-29 22:12:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:12:11,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056883359] [2020-11-29 22:12:11,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:11,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:12:11,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110515076] [2020-11-29 22:12:11,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:11,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:11,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:11,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:11,120 INFO L87 Difference]: Start difference. First operand 4901 states and 5572 transitions. Second operand 3 states. [2020-11-29 22:12:12,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:12,013 INFO L93 Difference]: Finished difference Result 13867 states and 15710 transitions. [2020-11-29 22:12:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:12,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-11-29 22:12:12,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:12,058 INFO L225 Difference]: With dead ends: 13867 [2020-11-29 22:12:12,058 INFO L226 Difference]: Without dead ends: 8968 [2020-11-29 22:12:12,063 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 22:12:12,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8968 states. [2020-11-29 22:12:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8968 to 8965. [2020-11-29 22:12:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8965 states. [2020-11-29 22:12:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8965 states to 8965 states and 9894 transitions. [2020-11-29 22:12:12,250 INFO L78 Accepts]: Start accepts. Automaton has 8965 states and 9894 transitions. Word has length 271 [2020-11-29 22:12:12,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:12,251 INFO L481 AbstractCegarLoop]: Abstraction has 8965 states and 9894 transitions. [2020-11-29 22:12:12,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 8965 states and 9894 transitions. [2020-11-29 22:12:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-11-29 22:12:12,270 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:12,271 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:12:12,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:12:12,272 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:12,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:12,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1758892586, now seen corresponding path program 1 times [2020-11-29 22:12:12,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:12,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688212855] [2020-11-29 22:12:12,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 22:12:12,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688212855] [2020-11-29 22:12:12,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:12,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:12:12,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191132047] [2020-11-29 22:12:12,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:12,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:12,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:12,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:12,417 INFO L87 Difference]: Start difference. First operand 8965 states and 9894 transitions. Second operand 3 states. [2020-11-29 22:12:13,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:13,342 INFO L93 Difference]: Finished difference Result 22407 states and 24703 transitions. [2020-11-29 22:12:13,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:13,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-11-29 22:12:13,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:13,381 INFO L225 Difference]: With dead ends: 22407 [2020-11-29 22:12:13,381 INFO L226 Difference]: Without dead ends: 13444 [2020-11-29 22:12:13,390 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 22:12:13,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13444 states. [2020-11-29 22:12:13,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13444 to 13442. [2020-11-29 22:12:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13442 states. [2020-11-29 22:12:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13442 states to 13442 states and 14790 transitions. [2020-11-29 22:12:13,643 INFO L78 Accepts]: Start accepts. Automaton has 13442 states and 14790 transitions. Word has length 284 [2020-11-29 22:12:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:13,644 INFO L481 AbstractCegarLoop]: Abstraction has 13442 states and 14790 transitions. [2020-11-29 22:12:13,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 13442 states and 14790 transitions. [2020-11-29 22:12:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-11-29 22:12:13,670 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:13,670 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:12:13,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:12:13,671 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:13,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:13,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1737275663, now seen corresponding path program 1 times [2020-11-29 22:12:13,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:13,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332709854] [2020-11-29 22:12:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 22:12:13,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332709854] [2020-11-29 22:12:13,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:12:13,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:12:13,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146593085] [2020-11-29 22:12:13,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:13,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:13,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:13,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:13,952 INFO L87 Difference]: Start difference. First operand 13442 states and 14790 transitions. Second operand 3 states. [2020-11-29 22:12:15,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:15,042 INFO L93 Difference]: Finished difference Result 30754 states and 33867 transitions. [2020-11-29 22:12:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:15,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-11-29 22:12:15,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:15,074 INFO L225 Difference]: With dead ends: 30754 [2020-11-29 22:12:15,074 INFO L226 Difference]: Without dead ends: 17314 [2020-11-29 22:12:15,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:12:15,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17314 states. [2020-11-29 22:12:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17314 to 17303. [2020-11-29 22:12:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17303 states. [2020-11-29 22:12:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17303 states to 17303 states and 19043 transitions. [2020-11-29 22:12:15,453 INFO L78 Accepts]: Start accepts. Automaton has 17303 states and 19043 transitions. Word has length 286 [2020-11-29 22:12:15,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:15,453 INFO L481 AbstractCegarLoop]: Abstraction has 17303 states and 19043 transitions. [2020-11-29 22:12:15,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17303 states and 19043 transitions. [2020-11-29 22:12:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-11-29 22:12:15,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:12:15,480 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:12:15,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 22:12:15,480 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:12:15,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:15,481 INFO L82 PathProgramCache]: Analyzing trace with hash 2037618563, now seen corresponding path program 1 times [2020-11-29 22:12:15,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:12:15,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579760899] [2020-11-29 22:12:15,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:12:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 22:12:15,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579760899] [2020-11-29 22:12:15,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500781445] [2020-11-29 22:12:15,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:12:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:15,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:12:15,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:12:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 22:12:16,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:12:16,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:12:16,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122023514] [2020-11-29 22:12:16,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:12:16,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:12:16,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:12:16,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:12:16,071 INFO L87 Difference]: Start difference. First operand 17303 states and 19043 transitions. Second operand 3 states. [2020-11-29 22:12:17,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:12:17,176 INFO L93 Difference]: Finished difference Result 39687 states and 43899 transitions. [2020-11-29 22:12:17,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:12:17,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 291 [2020-11-29 22:12:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:12:17,178 INFO L225 Difference]: With dead ends: 39687 [2020-11-29 22:12:17,178 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:12:17,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:12:17,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:12:17,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:12:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:12:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:12:17,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2020-11-29 22:12:17,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:12:17,196 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:12:17,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:12:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:12:17,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:12:17,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:12:17,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,779 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,780 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-29 22:12:17,781 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-29 22:12:17,782 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,782 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-29 22:12:17,782 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,782 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-29 22:12:17,782 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,783 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,784 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,785 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-29 22:12:17,786 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-29 22:12:17,787 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-29 22:12:17,788 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:12:17,789 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,790 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-29 22:12:17,791 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,792 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,793 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,794 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,795 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,796 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,796 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,796 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,796 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,796 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,797 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,797 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-29 22:12:17,797 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-29 22:12:17,797 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-29 22:12:17,797 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,797 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-29 22:12:17,798 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 22:12:17,799 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,800 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,802 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse0 (= ~a5~0 1)) (.cse3 (<= ~a26~0 0)) (.cse5 (= ~a3~0 0)) (.cse2 (<= ~a6~0 0))) (or (and .cse0 .cse1 (= ~a15~0 1) .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= ~a6~0 1)) (and .cse0 .cse2 (= ~a3~0 1)) (and (= ~a12~0 1) .cse0 (= ~a26~0 1) .cse2) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse2))) [2020-11-29 22:12:17,802 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,802 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,802 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,802 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,803 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,804 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-29 22:12:17,805 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-29 22:12:17,806 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,806 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,806 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 22:12:17,806 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 22:12:17,806 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,806 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse0 (= ~a5~0 1)) (.cse3 (<= ~a26~0 0)) (.cse5 (= ~a3~0 0)) (.cse2 (<= ~a6~0 0))) (or (and .cse0 .cse1 (= ~a15~0 1) .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= ~a6~0 1)) (and .cse0 .cse2 (= ~a3~0 1)) (and (= ~a12~0 1) .cse0 (= ~a26~0 1) .cse2) (and .cse0 .cse5 .cse4 .cse2) (and .cse0 .cse3 .cse5 .cse2))) [2020-11-29 22:12:17,806 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,807 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-29 22:12:17,808 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,809 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,810 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,810 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-29 22:12:17,811 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,811 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-29 22:12:17,811 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-29 22:12:17,811 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-29 22:12:17,812 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,812 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,812 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,812 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,813 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,814 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,814 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,814 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-29 22:12:17,815 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,816 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,817 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-29 22:12:17,818 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-29 22:12:17,819 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,820 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,820 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:12:17,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:12:17 BoogieIcfgContainer [2020-11-29 22:12:17,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:12:17,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:12:17,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:12:17,859 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:12:17,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:11:58" (3/4) ... [2020-11-29 22:12:17,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:12:17,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 22:12:17,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:12:17,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:12:17,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:12:18,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3d19911e-9e85-4cad-96ef-0a1c397b6790/bin/uautomizer/witness.graphml [2020-11-29 22:12:18,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:12:18,169 INFO L168 Benchmark]: Toolchain (without parser) took 23771.81 ms. Allocated memory was 88.1 MB in the beginning and 568.3 MB in the end (delta: 480.2 MB). Free memory was 50.4 MB in the beginning and 372.6 MB in the end (delta: -322.2 MB). Peak memory consumption was 158.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,171 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:12:18,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1162.03 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 50.2 MB in the beginning and 66.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.91 ms. Allocated memory is still 111.1 MB. Free memory was 66.3 MB in the beginning and 52.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,172 INFO L168 Benchmark]: Boogie Preprocessor took 141.68 ms. Allocated memory is still 111.1 MB. Free memory was 52.1 MB in the beginning and 67.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,172 INFO L168 Benchmark]: RCFGBuilder took 2518.70 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 67.9 MB in the beginning and 71.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,173 INFO L168 Benchmark]: TraceAbstraction took 19476.98 ms. Allocated memory was 157.3 MB in the beginning and 568.3 MB in the end (delta: 411.0 MB). Free memory was 70.4 MB in the beginning and 409.7 MB in the end (delta: -339.3 MB). Peak memory consumption was 363.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,173 INFO L168 Benchmark]: Witness Printer took 309.29 ms. Allocated memory is still 568.3 MB. Free memory was 409.7 MB in the beginning and 372.6 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:18,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1162.03 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 50.2 MB in the beginning and 66.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 154.91 ms. Allocated memory is still 111.1 MB. Free memory was 66.3 MB in the beginning and 52.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.68 ms. Allocated memory is still 111.1 MB. Free memory was 52.1 MB in the beginning and 67.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2518.70 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 67.9 MB in the beginning and 71.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19476.98 ms. Allocated memory was 157.3 MB in the beginning and 568.3 MB in the end (delta: 411.0 MB). Free memory was 70.4 MB in the beginning and 409.7 MB in the end (delta: -339.3 MB). Peak memory consumption was 363.2 MB. Max. memory is 16.1 GB. * Witness Printer took 309.29 ms. Allocated memory is still 568.3 MB. Free memory was 409.7 MB in the beginning and 372.6 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((a5 == 1 && a27 == 1) && a15 == 1) && a6 <= 0) || (((a5 == 1 && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a26 <= 0) && a6 <= 0)) || (a5 == 1 && a6 == 1)) || ((a5 == 1 && a6 <= 0) && a3 == 1)) || (((a12 == 1 && a5 == 1) && a26 == 1) && a6 <= 0)) || (((a5 == 1 && a3 == 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a3 == 0) && a6 <= 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((a5 == 1 && a27 == 1) && a15 == 1) && a6 <= 0) || (((a5 == 1 && a26 <= 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a27 == 1) && a26 <= 0) && a6 <= 0)) || (a5 == 1 && a6 == 1)) || ((a5 == 1 && a6 <= 0) && a3 == 1)) || (((a12 == 1 && a5 == 1) && a26 == 1) && a6 <= 0)) || (((a5 == 1 && a3 == 0) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a3 == 0) && a6 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2108 SDtfs, 2599 SDslu, 222 SDs, 0 SdLazy, 6438 SolverSat, 1467 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 563 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17303occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 44 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 231 NumberOfFragments, 219 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3796 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3161 NumberOfCodeBlocks, 3161 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3148 ConstructedInterpolants, 0 QuantifiedInterpolants, 1385109 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1030 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 1151/1163 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...