./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32.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_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/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 0dafa86a35a01d21ef711a2bd4643c2982066a13 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:31:32,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:31:32,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:31:32,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:31:32,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:31:32,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:31:32,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:31:32,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:31:32,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:31:32,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:31:32,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:31:32,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:31:32,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:31:32,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:31:32,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:31:32,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:31:32,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:31:32,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:31:32,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:31:32,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:31:32,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:31:32,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:31:32,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:31:32,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:31:32,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:31:32,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:31:32,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:31:32,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:31:32,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:31:32,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:31:32,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:31:32,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:31:32,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:31:32,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:31:32,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:31:32,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:31:32,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:31:32,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:31:32,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:31:32,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:31:32,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:31:32,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:31:32,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:31:32,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:31:32,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:31:32,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:31:32,943 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:31:32,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:31:32,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:31:32,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:31:32,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:31:32,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:31:32,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:31:32,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:31:32,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:31:32,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:31:32,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:31:32,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:31:32,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:31:32,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:31:32,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:31:32,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:31:32,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:31:32,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:31:32,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:31:32,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:31:32,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:31:32,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:31:32,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:31:32,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:31:32,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:31:32,949 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_60b74bbb-df7d-4b64-abe2-365582cc6929/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dafa86a35a01d21ef711a2bd4643c2982066a13 [2020-11-29 23:31:33,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:31:33,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:31:33,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:31:33,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:31:33,274 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:31:33,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label32.c [2020-11-29 23:31:33,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/data/910838285/b7bc20e11bcd4a93b8c6b4356637e12a/FLAG174be2a25 [2020-11-29 23:31:33,952 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:31:33,953 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/sv-benchmarks/c/eca-rers2012/Problem02_label32.c [2020-11-29 23:31:33,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/data/910838285/b7bc20e11bcd4a93b8c6b4356637e12a/FLAG174be2a25 [2020-11-29 23:31:34,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/data/910838285/b7bc20e11bcd4a93b8c6b4356637e12a [2020-11-29 23:31:34,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:31:34,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:31:34,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:34,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:31:34,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:31:34,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:34,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e33cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34, skipping insertion in model container [2020-11-29 23:31:34,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:34,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:31:34,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:31:34,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:31:34,847 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:31:34,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:31:34,943 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:31:34,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34 WrapperNode [2020-11-29 23:31:34,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:34,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:31:34,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:31:34,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:31:34,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:34,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:31:35,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:31:35,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:31:35,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:31:35,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... [2020-11-29 23:31:35,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:31:35,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:31:35,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:31:35,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:31:35,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/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 23:31:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:31:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:31:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:31:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:31:36,670 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:31:36,670 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:31:36,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:31:36 BoogieIcfgContainer [2020-11-29 23:31:36,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:31:36,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:31:36,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:31:36,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:31:36,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:31:34" (1/3) ... [2020-11-29 23:31:36,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a560d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:31:36, skipping insertion in model container [2020-11-29 23:31:36,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:34" (2/3) ... [2020-11-29 23:31:36,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a560d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:31:36, skipping insertion in model container [2020-11-29 23:31:36,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:31:36" (3/3) ... [2020-11-29 23:31:36,684 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label32.c [2020-11-29 23:31:36,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:31:36,703 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:31:36,715 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:31:36,740 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:31:36,740 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:31:36,740 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:31:36,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:31:36,741 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:31:36,741 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:31:36,741 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:31:36,741 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:31:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 23:31:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-29 23:31:36,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:36,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:36,776 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:36,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:36,783 INFO L82 PathProgramCache]: Analyzing trace with hash -725830373, now seen corresponding path program 1 times [2020-11-29 23:31:36,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:36,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627248925] [2020-11-29 23:31:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:37,288 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 23:31:37,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627248925] [2020-11-29 23:31:37,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:37,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:31:37,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740044193] [2020-11-29 23:31:37,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:37,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:37,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:37,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:31:37,319 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 23:31:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:38,358 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-11-29 23:31:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:38,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-29 23:31:38,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:38,398 INFO L225 Difference]: With dead ends: 602 [2020-11-29 23:31:38,399 INFO L226 Difference]: Without dead ends: 310 [2020-11-29 23:31:38,404 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 23:31:38,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-29 23:31:38,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-29 23:31:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-29 23:31:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-11-29 23:31:38,494 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 109 [2020-11-29 23:31:38,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:38,496 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-11-29 23:31:38,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-11-29 23:31:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-29 23:31:38,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:38,509 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:38,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:31:38,510 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:38,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:38,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1203204984, now seen corresponding path program 1 times [2020-11-29 23:31:38,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:38,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864355139] [2020-11-29 23:31:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:38,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864355139] [2020-11-29 23:31:38,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:38,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:31:38,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192180324] [2020-11-29 23:31:38,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:38,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:38,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:38,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:31:38,661 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-11-29 23:31:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:39,422 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-11-29 23:31:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:39,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-11-29 23:31:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:39,427 INFO L225 Difference]: With dead ends: 902 [2020-11-29 23:31:39,427 INFO L226 Difference]: Without dead ends: 594 [2020-11-29 23:31:39,430 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 23:31:39,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-29 23:31:39,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-11-29 23:31:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-29 23:31:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-11-29 23:31:39,471 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 127 [2020-11-29 23:31:39,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:39,472 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-11-29 23:31:39,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-11-29 23:31:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-29 23:31:39,475 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:39,475 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:39,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:31:39,475 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:39,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:39,486 INFO L82 PathProgramCache]: Analyzing trace with hash 302703896, now seen corresponding path program 1 times [2020-11-29 23:31:39,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:39,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501073779] [2020-11-29 23:31:39,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:39,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501073779] [2020-11-29 23:31:39,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:39,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:31:39,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656550271] [2020-11-29 23:31:39,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:39,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:39,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:39,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:31:39,578 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-11-29 23:31:39,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:39,979 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-11-29 23:31:39,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:39,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-29 23:31:39,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:39,983 INFO L225 Difference]: With dead ends: 1172 [2020-11-29 23:31:39,983 INFO L226 Difference]: Without dead ends: 582 [2020-11-29 23:31:39,984 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 23:31:39,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-29 23:31:40,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-11-29 23:31:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-29 23:31:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-11-29 23:31:40,012 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 128 [2020-11-29 23:31:40,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:40,013 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-11-29 23:31:40,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-11-29 23:31:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-29 23:31:40,015 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:40,016 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:40,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:31:40,016 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:40,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:40,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1929087413, now seen corresponding path program 1 times [2020-11-29 23:31:40,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:40,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75401094] [2020-11-29 23:31:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:40,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75401094] [2020-11-29 23:31:40,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:40,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:31:40,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683063143] [2020-11-29 23:31:40,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:40,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:40,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:40,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:31:40,091 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-11-29 23:31:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:40,753 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-11-29 23:31:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:40,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-11-29 23:31:40,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:40,759 INFO L225 Difference]: With dead ends: 1302 [2020-11-29 23:31:40,759 INFO L226 Difference]: Without dead ends: 722 [2020-11-29 23:31:40,760 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 23:31:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-11-29 23:31:40,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-11-29 23:31:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-11-29 23:31:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-11-29 23:31:40,780 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 132 [2020-11-29 23:31:40,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:40,780 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-11-29 23:31:40,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-11-29 23:31:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-29 23:31:40,783 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:40,783 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:40,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:31:40,784 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:40,784 INFO L82 PathProgramCache]: Analyzing trace with hash 529528341, now seen corresponding path program 1 times [2020-11-29 23:31:40,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:40,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058967097] [2020-11-29 23:31:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058967097] [2020-11-29 23:31:41,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490463630] [2020-11-29 23:31:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/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 23:31:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:41,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:31:41,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 23:31:41,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:31:41,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:31:41,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379361308] [2020-11-29 23:31:41,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:41,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:41,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:41,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:41,381 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-11-29 23:31:42,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:42,388 INFO L93 Difference]: Finished difference Result 1723 states and 2061 transitions. [2020-11-29 23:31:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:42,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-11-29 23:31:42,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:42,397 INFO L225 Difference]: With dead ends: 1723 [2020-11-29 23:31:42,397 INFO L226 Difference]: Without dead ends: 861 [2020-11-29 23:31:42,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-29 23:31:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-29 23:31:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-29 23:31:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 945 transitions. [2020-11-29 23:31:42,441 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 945 transitions. Word has length 136 [2020-11-29 23:31:42,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:42,444 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 945 transitions. [2020-11-29 23:31:42,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 945 transitions. [2020-11-29 23:31:42,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-29 23:31:42,448 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:42,448 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:42,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:31:42,664 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:42,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:42,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1019452832, now seen corresponding path program 1 times [2020-11-29 23:31:42,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:42,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079766261] [2020-11-29 23:31:42,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 23:31:42,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079766261] [2020-11-29 23:31:42,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077810467] [2020-11-29 23:31:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/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 23:31:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:42,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:31:42,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 23:31:43,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:31:43,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-29 23:31:43,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618780804] [2020-11-29 23:31:43,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:43,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:43,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:43,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:43,085 INFO L87 Difference]: Start difference. First operand 861 states and 945 transitions. Second operand 3 states. [2020-11-29 23:31:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:43,743 INFO L93 Difference]: Finished difference Result 2139 states and 2357 transitions. [2020-11-29 23:31:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:43,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-29 23:31:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:43,753 INFO L225 Difference]: With dead ends: 2139 [2020-11-29 23:31:43,753 INFO L226 Difference]: Without dead ends: 1279 [2020-11-29 23:31:43,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:43,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-11-29 23:31:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2020-11-29 23:31:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-11-29 23:31:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-11-29 23:31:43,797 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 159 [2020-11-29 23:31:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:43,805 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-11-29 23:31:43,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-11-29 23:31:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 23:31:43,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:43,810 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:44,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:31:44,024 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:44,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1337605777, now seen corresponding path program 1 times [2020-11-29 23:31:44,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:44,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447516617] [2020-11-29 23:31:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-29 23:31:44,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447516617] [2020-11-29 23:31:44,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120393318] [2020-11-29 23:31:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:31:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:44,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:31:44,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 23:31:44,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:31:44,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:31:44,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391162191] [2020-11-29 23:31:44,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:44,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:44,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:44,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:44,495 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-11-29 23:31:45,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:45,150 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-11-29 23:31:45,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:45,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-29 23:31:45,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:45,158 INFO L225 Difference]: With dead ends: 2276 [2020-11-29 23:31:45,158 INFO L226 Difference]: Without dead ends: 1279 [2020-11-29 23:31:45,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-11-29 23:31:45,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-11-29 23:31:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-11-29 23:31:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-11-29 23:31:45,191 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 185 [2020-11-29 23:31:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:45,191 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-11-29 23:31:45,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-11-29 23:31:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-29 23:31:45,196 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:45,196 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:45,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:31:45,409 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:45,410 INFO L82 PathProgramCache]: Analyzing trace with hash -591488609, now seen corresponding path program 1 times [2020-11-29 23:31:45,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:45,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123885571] [2020-11-29 23:31:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 23:31:45,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123885571] [2020-11-29 23:31:45,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:45,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:31:45,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351643630] [2020-11-29 23:31:45,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:45,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:45,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:45,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:31:45,591 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-11-29 23:31:46,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:46,303 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-11-29 23:31:46,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:46,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-29 23:31:46,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:46,314 INFO L225 Difference]: With dead ends: 3110 [2020-11-29 23:31:46,314 INFO L226 Difference]: Without dead ends: 1835 [2020-11-29 23:31:46,316 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 23:31:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-11-29 23:31:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-11-29 23:31:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-11-29 23:31:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-11-29 23:31:46,353 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 207 [2020-11-29 23:31:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:46,354 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-11-29 23:31:46,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-11-29 23:31:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-29 23:31:46,358 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:46,359 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:46,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:31:46,359 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:46,360 INFO L82 PathProgramCache]: Analyzing trace with hash -406662324, now seen corresponding path program 1 times [2020-11-29 23:31:46,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:31:46,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39689152] [2020-11-29 23:31:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:31:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:46,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39689152] [2020-11-29 23:31:46,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135912020] [2020-11-29 23:31:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:31:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:46,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:31:46,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 23:31:46,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:31:46,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:31:46,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148882700] [2020-11-29 23:31:46,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:31:46,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:31:46,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:31:46,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:46,928 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-11-29 23:31:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:47,535 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-11-29 23:31:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:31:47,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-29 23:31:47,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:47,538 INFO L225 Difference]: With dead ends: 2547 [2020-11-29 23:31:47,538 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:31:47,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:31:47,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:31:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:31:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:31:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:31:47,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-11-29 23:31:47,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:47,543 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:31:47,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:31:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:31:47,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:31:47,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:31:47,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:31:47,926 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-29 23:31:48,072 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-29 23:31:48,076 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,077 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,077 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,077 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 23:31:48,077 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 23:31:48,077 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,078 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,079 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 23:31:48,080 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,081 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 23:31:48,082 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 23:31:48,083 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 23:31:48,084 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 23:31:48,088 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,089 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,089 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,089 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 23:31:48,090 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 23:31:48,090 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 23:31:48,090 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 23:31:48,090 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 23:31:48,090 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,091 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,091 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,091 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 23:31:48,091 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 23:31:48,092 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 23:31:48,092 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 23:31:48,092 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 23:31:48,092 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 23:31:48,092 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 23:31:48,093 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 23:31:48,093 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,093 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,093 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,093 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 23:31:48,094 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:31:48,094 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 23:31:48,094 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 23:31:48,094 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 23:31:48,094 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 23:31:48,095 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 23:31:48,095 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 23:31:48,095 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 23:31:48,095 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,095 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,096 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,096 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 23:31:48,096 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 23:31:48,096 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 23:31:48,096 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 23:31:48,097 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 23:31:48,097 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 23:31:48,097 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 23:31:48,097 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 23:31:48,097 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 23:31:48,097 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,098 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,098 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,098 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 23:31:48,098 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 23:31:48,098 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 23:31:48,099 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 23:31:48,099 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 23:31:48,099 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 23:31:48,099 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:31:48,099 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 23:31:48,100 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,100 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,100 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,100 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 23:31:48,100 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 23:31:48,101 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 23:31:48,101 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 23:31:48,101 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 23:31:48,101 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 23:31:48,101 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 23:31:48,102 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 23:31:48,102 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,102 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,102 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,103 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 23:31:48,104 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 23:31:48,104 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 23:31:48,104 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 23:31:48,104 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 23:31:48,104 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,105 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,105 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,105 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 23:31:48,105 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 23:31:48,106 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 23:31:48,106 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 23:31:48,106 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 23:31:48,106 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 23:31:48,106 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 23:31:48,107 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 23:31:48,107 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 23:31:48,107 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 23:31:48,107 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 23:31:48,107 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,108 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,108 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 23:31:48,108 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 23:31:48,108 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 23:31:48,108 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 23:31:48,109 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 23:31:48,109 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 23:31:48,109 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 23:31:48,109 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 23:31:48,109 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 23:31:48,109 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:31:48,112 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-11-29 23:31:48,112 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,113 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,113 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 23:31:48,113 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 23:31:48,113 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 23:31:48,113 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 23:31:48,114 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 23:31:48,114 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 23:31:48,114 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 23:31:48,114 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,114 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,115 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 23:31:48,115 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 23:31:48,115 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 23:31:48,115 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 23:31:48,115 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 23:31:48,116 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 23:31:48,116 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 23:31:48,116 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 23:31:48,116 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 23:31:48,116 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,117 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,117 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 23:31:48,117 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 23:31:48,117 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 23:31:48,118 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 23:31:48,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:31:48,118 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 23:31:48,118 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 23:31:48,118 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-11-29 23:31:48,119 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,119 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,119 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 23:31:48,119 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 23:31:48,120 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 23:31:48,120 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 23:31:48,120 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 23:31:48,120 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,120 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,121 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 23:31:48,121 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 23:31:48,121 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 23:31:48,121 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 23:31:48,121 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 23:31:48,121 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 23:31:48,122 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 23:31:48,122 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 23:31:48,122 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 23:31:48,122 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,122 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,123 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 23:31:48,123 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:31:48,123 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 23:31:48,123 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 23:31:48,123 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 23:31:48,124 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 23:31:48,124 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 23:31:48,124 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 23:31:48,124 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,124 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,125 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,125 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 23:31:48,125 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 23:31:48,125 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 23:31:48,125 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 23:31:48,125 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 23:31:48,126 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,126 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,126 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:31:48,126 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 23:31:48,126 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 23:31:48,126 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 23:31:48,127 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 23:31:48,127 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 23:31:48,127 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 23:31:48,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:31:48 BoogieIcfgContainer [2020-11-29 23:31:48,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:31:48,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:31:48,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:31:48,168 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:31:48,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:31:36" (3/4) ... [2020-11-29 23:31:48,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:31:48,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:31:48,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:31:48,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:31:48,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:31:48,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_60b74bbb-df7d-4b64-abe2-365582cc6929/bin/uautomizer/witness.graphml [2020-11-29 23:31:48,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:31:48,360 INFO L168 Benchmark]: Toolchain (without parser) took 14172.97 ms. Allocated memory was 111.1 MB in the beginning and 293.6 MB in the end (delta: 182.5 MB). Free memory was 78.7 MB in the beginning and 192.0 MB in the end (delta: -113.4 MB). Peak memory consumption was 68.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,360 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:31:48,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.21 ms. Allocated memory is still 111.1 MB. Free memory was 78.4 MB in the beginning and 71.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.25 ms. Allocated memory is still 111.1 MB. Free memory was 71.7 MB in the beginning and 66.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,361 INFO L168 Benchmark]: Boogie Preprocessor took 82.01 ms. Allocated memory is still 111.1 MB. Free memory was 66.0 MB in the beginning and 61.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,362 INFO L168 Benchmark]: RCFGBuilder took 1533.34 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 61.8 MB in the beginning and 70.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,362 INFO L168 Benchmark]: TraceAbstraction took 11489.45 ms. Allocated memory was 138.4 MB in the beginning and 293.6 MB in the end (delta: 155.2 MB). Free memory was 70.5 MB in the beginning and 206.7 MB in the end (delta: -136.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,363 INFO L168 Benchmark]: Witness Printer took 192.43 ms. Allocated memory is still 293.6 MB. Free memory was 206.7 MB in the beginning and 192.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:48,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 762.21 ms. Allocated memory is still 111.1 MB. Free memory was 78.4 MB in the beginning and 71.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.25 ms. Allocated memory is still 111.1 MB. Free memory was 71.7 MB in the beginning and 66.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.01 ms. Allocated memory is still 111.1 MB. Free memory was 66.0 MB in the beginning and 61.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1533.34 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 61.8 MB in the beginning and 70.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11489.45 ms. Allocated memory was 138.4 MB in the beginning and 293.6 MB in the end (delta: 155.2 MB). Free memory was 70.5 MB in the beginning and 206.7 MB in the end (delta: -136.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * Witness Printer took 192.43 ms. Allocated memory is still 293.6 MB. Free memory was 206.7 MB in the beginning and 192.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 1031 SDslu, 81 SDs, 0 SdLazy, 2952 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 690 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2077 NumberOfCodeBlocks, 2077 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2064 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332856 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1312 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 924/1014 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...