./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.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_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/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 3b04a2851ae0aa4ad59240dded892cc8414d46bd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:48:09,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:48:09,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:48:09,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:48:09,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:48:09,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:48:09,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:48:09,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:48:09,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:48:09,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:48:09,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:48:09,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:48:09,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:48:09,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:48:09,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:48:09,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:48:09,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:48:09,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:48:09,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:48:09,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:48:09,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:48:09,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:48:09,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:48:09,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:48:09,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:48:09,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:48:09,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:48:09,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:48:09,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:48:09,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:48:09,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:48:09,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:48:09,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:48:09,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:48:09,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:48:09,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:48:09,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:48:09,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:48:09,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:48:09,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:48:09,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:48:09,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:48:09,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:48:09,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:48:09,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:48:09,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:48:09,870 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:48:09,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:48:09,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:48:09,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:48:09,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:48:09,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:48:09,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:48:09,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:48:09,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:48:09,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:48:09,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:48:09,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:48:09,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:48:09,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:48:09,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:48:09,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:48:09,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:48:09,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:48:09,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:48:09,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:48:09,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:48:09,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:48:09,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:48:09,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:48:09,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:48:09,876 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_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b04a2851ae0aa4ad59240dded892cc8414d46bd [2020-11-29 22:48:10,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:48:10,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:48:10,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:48:10,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:48:10,239 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:48:10,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2020-11-29 22:48:10,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/data/3c7fb2add/8a9945e47ad5425085ca9f414ed89a69/FLAGcfa41266d [2020-11-29 22:48:10,958 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:48:10,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2020-11-29 22:48:10,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/data/3c7fb2add/8a9945e47ad5425085ca9f414ed89a69/FLAGcfa41266d [2020-11-29 22:48:11,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/data/3c7fb2add/8a9945e47ad5425085ca9f414ed89a69 [2020-11-29 22:48:11,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:48:11,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:48:11,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:48:11,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:48:11,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:48:11,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:48:11" (1/1) ... [2020-11-29 22:48:11,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f43fbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:11, skipping insertion in model container [2020-11-29 22:48:11,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:48:11" (1/1) ... [2020-11-29 22:48:11,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:48:11,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:48:12,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:48:12,051 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:48:12,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:48:12,315 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:48:12,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12 WrapperNode [2020-11-29 22:48:12,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:48:12,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:48:12,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:48:12,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:48:12,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:48:12,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:48:12,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:48:12,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:48:12,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... [2020-11-29 22:48:12,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:48:12,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:48:12,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:48:12,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:48:12,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/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 22:48:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:48:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:48:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:48:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:48:15,105 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:48:15,105 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:48:15,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:48:15 BoogieIcfgContainer [2020-11-29 22:48:15,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:48:15,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:48:15,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:48:15,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:48:15,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:48:11" (1/3) ... [2020-11-29 22:48:15,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e42e121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:48:15, skipping insertion in model container [2020-11-29 22:48:15,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:48:12" (2/3) ... [2020-11-29 22:48:15,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e42e121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:48:15, skipping insertion in model container [2020-11-29 22:48:15,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:48:15" (3/3) ... [2020-11-29 22:48:15,115 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label23.c [2020-11-29 22:48:15,129 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:48:15,134 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:48:15,146 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:48:15,187 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:48:15,187 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:48:15,187 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:48:15,187 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:48:15,188 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:48:15,188 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:48:15,188 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:48:15,188 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:48:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 22:48:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 22:48:15,228 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:15,228 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] [2020-11-29 22:48:15,229 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:15,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:15,235 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2020-11-29 22:48:15,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:15,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86779329] [2020-11-29 22:48:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:15,608 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 22:48:15,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86779329] [2020-11-29 22:48:15,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:15,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:48:15,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541088755] [2020-11-29 22:48:15,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:15,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:15,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:15,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:15,634 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 22:48:17,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:17,393 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-29 22:48:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:17,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-11-29 22:48:17,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:17,418 INFO L225 Difference]: With dead ends: 762 [2020-11-29 22:48:17,426 INFO L226 Difference]: Without dead ends: 413 [2020-11-29 22:48:17,431 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 22:48:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-29 22:48:17,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-29 22:48:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-29 22:48:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-29 22:48:17,528 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 65 [2020-11-29 22:48:17,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:17,529 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-29 22:48:17,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-29 22:48:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-29 22:48:17,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:17,540 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:48:17,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:48:17,541 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:17,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:17,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1023208926, now seen corresponding path program 1 times [2020-11-29 22:48:17,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:17,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912990447] [2020-11-29 22:48:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:48:17,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912990447] [2020-11-29 22:48:17,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:17,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:48:17,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742988331] [2020-11-29 22:48:17,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:17,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:17,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:17,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:17,817 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-29 22:48:18,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:18,851 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-29 22:48:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:18,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-29 22:48:18,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:18,857 INFO L225 Difference]: With dead ends: 1211 [2020-11-29 22:48:18,857 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 22:48:18,859 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 22:48:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 22:48:18,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-29 22:48:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 22:48:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 22:48:18,895 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 133 [2020-11-29 22:48:18,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:18,896 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 22:48:18,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 22:48:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-29 22:48:18,900 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:18,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:48:18,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:48:18,900 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:18,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:18,907 INFO L82 PathProgramCache]: Analyzing trace with hash -274327005, now seen corresponding path program 1 times [2020-11-29 22:48:18,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:18,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703776814] [2020-11-29 22:48:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:48:19,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703776814] [2020-11-29 22:48:19,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:19,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:48:19,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903465735] [2020-11-29 22:48:19,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:19,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:19,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:19,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:19,140 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 22:48:20,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:20,220 INFO L93 Difference]: Finished difference Result 2316 states and 3182 transitions. [2020-11-29 22:48:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:20,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-29 22:48:20,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:20,229 INFO L225 Difference]: With dead ends: 2316 [2020-11-29 22:48:20,229 INFO L226 Difference]: Without dead ends: 1529 [2020-11-29 22:48:20,231 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 22:48:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-11-29 22:48:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1526. [2020-11-29 22:48:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 22:48:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2020-11-29 22:48:20,294 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 135 [2020-11-29 22:48:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:20,295 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2020-11-29 22:48:20,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2020-11-29 22:48:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-29 22:48:20,301 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:20,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:48:20,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:48:20,301 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:20,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:20,302 INFO L82 PathProgramCache]: Analyzing trace with hash -693272251, now seen corresponding path program 1 times [2020-11-29 22:48:20,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:20,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605680035] [2020-11-29 22:48:20,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:48:20,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605680035] [2020-11-29 22:48:20,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:20,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:48:20,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8796372] [2020-11-29 22:48:20,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:48:20,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:20,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:48:20,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:48:20,604 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand 4 states. [2020-11-29 22:48:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:22,732 INFO L93 Difference]: Finished difference Result 4184 states and 5341 transitions. [2020-11-29 22:48:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:48:22,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2020-11-29 22:48:22,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:22,752 INFO L225 Difference]: With dead ends: 4184 [2020-11-29 22:48:22,752 INFO L226 Difference]: Without dead ends: 2844 [2020-11-29 22:48:22,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:48:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-11-29 22:48:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-11-29 22:48:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-11-29 22:48:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3570 transitions. [2020-11-29 22:48:22,819 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3570 transitions. Word has length 192 [2020-11-29 22:48:22,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:22,821 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3570 transitions. [2020-11-29 22:48:22,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:48:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3570 transitions. [2020-11-29 22:48:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-29 22:48:22,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:22,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:48:22,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:48:22,829 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:22,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1802540836, now seen corresponding path program 1 times [2020-11-29 22:48:22,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:22,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96897035] [2020-11-29 22:48:22,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 22:48:23,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96897035] [2020-11-29 22:48:23,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:23,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:48:23,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314667321] [2020-11-29 22:48:23,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:23,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:23,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:23,057 INFO L87 Difference]: Start difference. First operand 2843 states and 3570 transitions. Second operand 3 states. [2020-11-29 22:48:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:24,293 INFO L93 Difference]: Finished difference Result 6431 states and 8285 transitions. [2020-11-29 22:48:24,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:24,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-11-29 22:48:24,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:24,316 INFO L225 Difference]: With dead ends: 6431 [2020-11-29 22:48:24,316 INFO L226 Difference]: Without dead ends: 3958 [2020-11-29 22:48:24,347 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 22:48:24,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-11-29 22:48:24,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2020-11-29 22:48:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2020-11-29 22:48:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4861 transitions. [2020-11-29 22:48:24,453 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4861 transitions. Word has length 247 [2020-11-29 22:48:24,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:24,454 INFO L481 AbstractCegarLoop]: Abstraction has 3948 states and 4861 transitions. [2020-11-29 22:48:24,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4861 transitions. [2020-11-29 22:48:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-11-29 22:48:24,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:24,462 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:48:24,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:48:24,462 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:24,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1700483277, now seen corresponding path program 1 times [2020-11-29 22:48:24,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:24,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346544394] [2020-11-29 22:48:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 91 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 22:48:25,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346544394] [2020-11-29 22:48:25,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584087707] [2020-11-29 22:48:25,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/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 22:48:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:25,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:48:25,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:48:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 22:48:25,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:48:25,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 22:48:25,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081625521] [2020-11-29 22:48:25,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:25,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:25,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:25,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:48:25,515 INFO L87 Difference]: Start difference. First operand 3948 states and 4861 transitions. Second operand 3 states. [2020-11-29 22:48:26,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:26,937 INFO L93 Difference]: Finished difference Result 9369 states and 11877 transitions. [2020-11-29 22:48:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:26,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-11-29 22:48:26,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:26,974 INFO L225 Difference]: With dead ends: 9369 [2020-11-29 22:48:26,975 INFO L226 Difference]: Without dead ends: 5791 [2020-11-29 22:48:26,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:48:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2020-11-29 22:48:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5789. [2020-11-29 22:48:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5789 states. [2020-11-29 22:48:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 7175 transitions. [2020-11-29 22:48:27,135 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 7175 transitions. Word has length 253 [2020-11-29 22:48:27,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:27,136 INFO L481 AbstractCegarLoop]: Abstraction has 5789 states and 7175 transitions. [2020-11-29 22:48:27,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 7175 transitions. [2020-11-29 22:48:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-11-29 22:48:27,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:27,143 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:48:27,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 22:48:27,370 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:27,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:27,371 INFO L82 PathProgramCache]: Analyzing trace with hash -682591422, now seen corresponding path program 1 times [2020-11-29 22:48:27,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:27,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797116709] [2020-11-29 22:48:27,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-29 22:48:27,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797116709] [2020-11-29 22:48:27,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:27,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:48:27,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58908035] [2020-11-29 22:48:27,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:27,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:27,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:27,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:27,601 INFO L87 Difference]: Start difference. First operand 5789 states and 7175 transitions. Second operand 3 states. [2020-11-29 22:48:29,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:29,039 INFO L93 Difference]: Finished difference Result 12691 states and 15991 transitions. [2020-11-29 22:48:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:29,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2020-11-29 22:48:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:29,095 INFO L225 Difference]: With dead ends: 12691 [2020-11-29 22:48:29,096 INFO L226 Difference]: Without dead ends: 7642 [2020-11-29 22:48:29,103 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 22:48:29,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7642 states. [2020-11-29 22:48:29,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7642 to 7445. [2020-11-29 22:48:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7445 states. [2020-11-29 22:48:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 9107 transitions. [2020-11-29 22:48:29,268 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 9107 transitions. Word has length 259 [2020-11-29 22:48:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:29,269 INFO L481 AbstractCegarLoop]: Abstraction has 7445 states and 9107 transitions. [2020-11-29 22:48:29,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 9107 transitions. [2020-11-29 22:48:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-11-29 22:48:29,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:29,278 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 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 22:48:29,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:48:29,278 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:29,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:29,279 INFO L82 PathProgramCache]: Analyzing trace with hash 58573001, now seen corresponding path program 1 times [2020-11-29 22:48:29,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:29,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582834450] [2020-11-29 22:48:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-11-29 22:48:29,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582834450] [2020-11-29 22:48:29,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:29,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:48:29,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486499473] [2020-11-29 22:48:29,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:29,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:29,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:29,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:29,552 INFO L87 Difference]: Start difference. First operand 7445 states and 9107 transitions. Second operand 3 states. [2020-11-29 22:48:30,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:30,898 INFO L93 Difference]: Finished difference Result 16907 states and 20945 transitions. [2020-11-29 22:48:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:30,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-11-29 22:48:30,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:30,936 INFO L225 Difference]: With dead ends: 16907 [2020-11-29 22:48:30,936 INFO L226 Difference]: Without dead ends: 10202 [2020-11-29 22:48:30,943 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 22:48:30,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10202 states. [2020-11-29 22:48:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10202 to 9833. [2020-11-29 22:48:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9833 states. [2020-11-29 22:48:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9833 states to 9833 states and 11930 transitions. [2020-11-29 22:48:31,123 INFO L78 Accepts]: Start accepts. Automaton has 9833 states and 11930 transitions. Word has length 295 [2020-11-29 22:48:31,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:31,124 INFO L481 AbstractCegarLoop]: Abstraction has 9833 states and 11930 transitions. [2020-11-29 22:48:31,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 9833 states and 11930 transitions. [2020-11-29 22:48:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-29 22:48:31,133 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:31,133 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 22:48:31,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:48:31,134 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:31,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:31,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1706621397, now seen corresponding path program 1 times [2020-11-29 22:48:31,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:31,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053487171] [2020-11-29 22:48:31,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-11-29 22:48:31,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053487171] [2020-11-29 22:48:31,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:48:31,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:48:31,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033860796] [2020-11-29 22:48:31,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:48:31,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:31,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:48:31,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:48:31,362 INFO L87 Difference]: Start difference. First operand 9833 states and 11930 transitions. Second operand 3 states. [2020-11-29 22:48:32,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:32,377 INFO L93 Difference]: Finished difference Result 20026 states and 24609 transitions. [2020-11-29 22:48:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:48:32,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-11-29 22:48:32,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:32,398 INFO L225 Difference]: With dead ends: 20026 [2020-11-29 22:48:32,399 INFO L226 Difference]: Without dead ends: 11857 [2020-11-29 22:48:32,408 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 22:48:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2020-11-29 22:48:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 11857. [2020-11-29 22:48:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11857 states. [2020-11-29 22:48:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11857 states to 11857 states and 14012 transitions. [2020-11-29 22:48:32,592 INFO L78 Accepts]: Start accepts. Automaton has 11857 states and 14012 transitions. Word has length 301 [2020-11-29 22:48:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:32,593 INFO L481 AbstractCegarLoop]: Abstraction has 11857 states and 14012 transitions. [2020-11-29 22:48:32,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:48:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 11857 states and 14012 transitions. [2020-11-29 22:48:32,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-29 22:48:32,602 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:48:32,603 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 22:48:32,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:48:32,603 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:48:32,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:48:32,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1068639518, now seen corresponding path program 1 times [2020-11-29 22:48:32,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:48:32,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671883448] [2020-11-29 22:48:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:48:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-29 22:48:32,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671883448] [2020-11-29 22:48:32,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167071110] [2020-11-29 22:48:32,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/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 22:48:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:48:33,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 22:48:33,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:48:33,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:48:33,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:48:33,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:48:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-29 22:48:33,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 22:48:33,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-29 22:48:33,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792218659] [2020-11-29 22:48:33,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:48:33,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:48:33,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:48:33,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:48:33,431 INFO L87 Difference]: Start difference. First operand 11857 states and 14012 transitions. Second operand 4 states. [2020-11-29 22:48:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:48:35,034 INFO L93 Difference]: Finished difference Result 23709 states and 28254 transitions. [2020-11-29 22:48:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:48:35,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 303 [2020-11-29 22:48:35,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:48:35,036 INFO L225 Difference]: With dead ends: 23709 [2020-11-29 22:48:35,036 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:48:35,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 302 SyntacticMatches, 1 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 22:48:35,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:48:35,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:48:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:48:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:48:35,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2020-11-29 22:48:35,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:48:35,053 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:48:35,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:48:35,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:48:35,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:48:35,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 22:48:35,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:48:35,568 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 22:48:35,572 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 22:48:35,573 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,574 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (<= 165 ~a23~0))) (or (<= ~a25~0 10) (<= 306 ~a23~0) (< 140 ~a29~0) (and .cse0 (= ~a25~0 11)) (and .cse0 (<= ~a29~0 130)) (not (= ~a4~0 1)) (= ~a25~0 12))) [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,575 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,576 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (<= 165 ~a23~0))) (or (<= ~a25~0 10) (<= 306 ~a23~0) (< 140 ~a29~0) (and .cse0 (= ~a25~0 11)) (and .cse0 (<= ~a29~0 130)) (not (= ~a4~0 1)) (= ~a25~0 12))) [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 22:48:35,577 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 22:48:35,578 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,583 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 22:48:35,584 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,585 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,586 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,587 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:48:35,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 22:48:35,589 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,590 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 22:48:35,591 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 22:48:35,592 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,593 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,594 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 22:48:35,595 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,596 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 22:48:35,597 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 22:48:35,598 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,599 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,600 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,601 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,601 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,601 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,601 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,602 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 22:48:35,602 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 22:48:35,603 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 22:48:35,603 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 22:48:35,603 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 22:48:35,603 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 22:48:35,603 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,604 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,604 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,604 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,606 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,607 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,608 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,609 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 22:48:35,609 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 22:48:35,609 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 22:48:35,609 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 22:48:35,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:48:35 BoogieIcfgContainer [2020-11-29 22:48:35,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:48:35,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:48:35,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:48:35,635 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:48:35,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:48:15" (3/4) ... [2020-11-29 22:48:35,638 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:48:35,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 22:48:35,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:48:35,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:48:35,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:48:35,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e3d4d1e4-deed-45f1-9b75-0f022737d8e6/bin/uautomizer/witness.graphml [2020-11-29 22:48:35,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:48:35,951 INFO L168 Benchmark]: Toolchain (without parser) took 24643.96 ms. Allocated memory was 83.9 MB in the beginning and 545.3 MB in the end (delta: 461.4 MB). Free memory was 49.4 MB in the beginning and 427.0 MB in the end (delta: -377.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,952 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:48:35,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1007.98 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 49.3 MB in the beginning and 69.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.85 ms. Allocated memory is still 100.7 MB. Free memory was 69.5 MB in the beginning and 52.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,954 INFO L168 Benchmark]: Boogie Preprocessor took 188.88 ms. Allocated memory is still 100.7 MB. Free memory was 52.3 MB in the beginning and 62.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,954 INFO L168 Benchmark]: RCFGBuilder took 2466.75 ms. Allocated memory was 100.7 MB in the beginning and 163.6 MB in the end (delta: 62.9 MB). Free memory was 62.0 MB in the beginning and 100.4 MB in the end (delta: -38.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,955 INFO L168 Benchmark]: TraceAbstraction took 20523.79 ms. Allocated memory was 163.6 MB in the beginning and 545.3 MB in the end (delta: 381.7 MB). Free memory was 99.4 MB in the beginning and 452.9 MB in the end (delta: -353.6 MB). Peak memory consumption was 325.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,955 INFO L168 Benchmark]: Witness Printer took 315.56 ms. Allocated memory is still 545.3 MB. Free memory was 452.9 MB in the beginning and 427.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:48:35,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1007.98 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 49.3 MB in the beginning and 69.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.85 ms. Allocated memory is still 100.7 MB. Free memory was 69.5 MB in the beginning and 52.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 188.88 ms. Allocated memory is still 100.7 MB. Free memory was 52.3 MB in the beginning and 62.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2466.75 ms. Allocated memory was 100.7 MB in the beginning and 163.6 MB in the end (delta: 62.9 MB). Free memory was 62.0 MB in the beginning and 100.4 MB in the end (delta: -38.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20523.79 ms. Allocated memory was 163.6 MB in the beginning and 545.3 MB in the end (delta: 381.7 MB). Free memory was 99.4 MB in the beginning and 452.9 MB in the end (delta: -353.6 MB). Peak memory consumption was 325.9 MB. Max. memory is 16.1 GB. * Witness Printer took 315.56 ms. Allocated memory is still 545.3 MB. Free memory was 452.9 MB in the beginning and 427.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((a25 <= 10 || 306 <= a23) || 140 < a29) || (165 <= a23 && a25 == 11)) || (165 <= a23 && a29 <= 130)) || !(a4 == 1)) || a25 == 12 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((a25 <= 10 || 306 <= a23) || 140 < a29) || (165 <= a23 && a25 == 11)) || (165 <= a23 && a29 <= 130)) || !(a4 == 1)) || a25 == 12 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2019 SDtfs, 1890 SDslu, 254 SDs, 0 SdLazy, 6165 SolverSat, 1338 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 583 GetRequests, 566 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11857occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 593 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 143 NumberOfFragments, 63 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1574 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2739 NumberOfCodeBlocks, 2739 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2727 ConstructedInterpolants, 0 QuantifiedInterpolants, 2106231 SizeOfPredicates, 2 NumberOfNonLiveVariables, 808 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 1632/1916 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...