./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 083929d0ff0bd9151d75d230540032d7b88e56ba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 083929d0ff0bd9151d75d230540032d7b88e56ba .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:59:35,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:59:35,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:59:35,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:59:35,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:59:35,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:59:35,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:59:35,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:59:35,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:59:35,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:59:35,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:59:35,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:59:35,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:59:35,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:59:35,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:59:35,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:59:35,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:59:35,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:59:35,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:59:35,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:59:35,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:59:35,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:59:35,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:59:35,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:59:35,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:59:35,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:59:35,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:59:35,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:59:35,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:59:35,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:59:35,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:59:35,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:59:35,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:59:35,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:59:35,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:59:35,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:59:35,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:59:35,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:59:35,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:59:35,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:59:35,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:59:35,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 06:59:35,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:59:35,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:59:35,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:59:35,888 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:59:35,888 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:59:35,888 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:59:35,889 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:59:35,889 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:59:35,889 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:59:35,889 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:59:35,889 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:59:35,889 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:59:35,890 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:59:35,890 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:59:35,890 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:59:35,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:59:35,891 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:59:35,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:59:35,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:59:35,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:59:35,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:59:35,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:59:35,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:59:35,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:59:35,893 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 083929d0ff0bd9151d75d230540032d7b88e56ba [2020-12-09 06:59:36,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:59:36,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:59:36,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:59:36,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:59:36,102 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:59:36,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c [2020-12-09 06:59:36,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/4ca2a1ae3/8ad8af3b4fc8419badd8756b08631bf7/FLAG2f335ae84 [2020-12-09 06:59:36,588 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:59:36,588 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/sv-benchmarks/c/eca-rers2012/Problem10_label01.c [2020-12-09 06:59:36,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/4ca2a1ae3/8ad8af3b4fc8419badd8756b08631bf7/FLAG2f335ae84 [2020-12-09 06:59:36,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/4ca2a1ae3/8ad8af3b4fc8419badd8756b08631bf7 [2020-12-09 06:59:36,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:59:36,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:59:36,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:59:36,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:59:36,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:59:36,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:36,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131c38e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36, skipping insertion in model container [2020-12-09 06:59:36,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:36,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:59:36,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:59:36,796 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/sv-benchmarks/c/eca-rers2012/Problem10_label01.c[6098,6111] [2020-12-09 06:59:36,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:59:36,881 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:59:36,899 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/sv-benchmarks/c/eca-rers2012/Problem10_label01.c[6098,6111] [2020-12-09 06:59:36,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:59:36,948 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:59:36,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36 WrapperNode [2020-12-09 06:59:36,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:59:36,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:59:36,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:59:36,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:59:36,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:36,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:59:37,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:59:37,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:59:37,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:59:37,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... [2020-12-09 06:59:37,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:59:37,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:59:37,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:59:37,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:59:37,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/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 [2020-12-09 06:59:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 06:59:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:59:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:59:37,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:59:42,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:59:42,620 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 06:59:42,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:59:42 BoogieIcfgContainer [2020-12-09 06:59:42,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:59:42,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:59:42,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:59:42,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:59:42,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:59:36" (1/3) ... [2020-12-09 06:59:42,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e470e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:59:42, skipping insertion in model container [2020-12-09 06:59:42,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:59:36" (2/3) ... [2020-12-09 06:59:42,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e470e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:59:42, skipping insertion in model container [2020-12-09 06:59:42,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:59:42" (3/3) ... [2020-12-09 06:59:42,628 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label01.c [2020-12-09 06:59:42,637 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:59:42,640 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:59:42,647 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:59:42,662 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:59:42,662 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:59:42,662 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:59:42,662 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:59:42,662 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:59:42,662 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:59:42,662 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:59:42,663 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:59:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 06:59:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 06:59:42,674 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:59:42,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 06:59:42,674 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:59:42,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:59:42,678 INFO L82 PathProgramCache]: Analyzing trace with hash 857616730, now seen corresponding path program 1 times [2020-12-09 06:59:42,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:59:42,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72860221] [2020-12-09 06:59:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:59:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:59:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:59:42,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72860221] [2020-12-09 06:59:42,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:59:42,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 06:59:42,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127474009] [2020-12-09 06:59:42,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 06:59:42,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:59:42,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 06:59:42,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 06:59:42,851 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-09 06:59:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:59:42,947 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2020-12-09 06:59:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 06:59:42,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-09 06:59:42,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:59:42,953 INFO L225 Difference]: With dead ends: 29 [2020-12-09 06:59:42,954 INFO L226 Difference]: Without dead ends: 15 [2020-12-09 06:59:42,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 06:59:42,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-09 06:59:42,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-12-09 06:59:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 06:59:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-09 06:59:42,977 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2020-12-09 06:59:42,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:59:42,977 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-09 06:59:42,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 06:59:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-09 06:59:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 06:59:42,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:59:42,978 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1] [2020-12-09 06:59:42,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 06:59:42,978 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:59:42,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:59:42,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1667918482, now seen corresponding path program 1 times [2020-12-09 06:59:42,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:59:42,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396028065] [2020-12-09 06:59:42,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:59:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:59:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:59:43,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396028065] [2020-12-09 06:59:43,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497797282] [2020-12-09 06:59:43,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/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 [2020-12-09 06:59:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:59:43,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-09 06:59:43,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:59:43,881 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 133 [2020-12-09 06:59:43,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,931 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,934 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,938 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,943 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,950 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,955 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,957 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,962 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,973 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:43,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:43,983 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:43,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 06:59:43,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 06:59:43,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 06:59:43,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,004 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,010 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:59:44,023 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,027 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:44,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:59:44,033 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:59:44,040 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 9, 4, 5, 4, 4, 4, 3, 4, 1] term [2020-12-09 06:59:44,040 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 06:59:44,042 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 5, 4, 4, 4, 3, 4, 1] term [2020-12-09 06:59:44,042 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 06:59:44,044 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 4, 4, 3, 4, 1] term [2020-12-09 06:59:44,044 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 06:59:44,045 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 4, 1] term [2020-12-09 06:59:44,045 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 06:59:44,048 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 4, 4, 3, 4, 1] term [2020-12-09 06:59:44,049 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 06:59:44,563 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1531 DAG size of output: 1489 [2020-12-09 06:59:44,575 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 06:59:44,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1851532136] [2020-12-09 06:59:44,593 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 06:59:44,593 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 06:59:44,596 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 06:59:44,600 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 06:59:44,600 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 06:59:44,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2020-12-09 06:59:45,624 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2020-12-09 06:59:46,694 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1670 DAG size of output: 1585 [2020-12-09 07:08:31,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 07:08:31,886 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 07:08:31,896 INFO L168 Benchmark]: Toolchain (without parser) took 535277.59 ms. Allocated memory was 130.0 MB in the beginning and 710.9 MB in the end (delta: 580.9 MB). Free memory was 91.5 MB in the beginning and 602.8 MB in the end (delta: -511.3 MB). Peak memory consumption was 472.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:31,897 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 130.0 MB. Free memory was 100.7 MB in the beginning and 100.7 MB in the end (delta: 24.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:08:31,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.42 ms. Allocated memory is still 130.0 MB. Free memory was 91.2 MB in the beginning and 87.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:31,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.13 ms. Allocated memory is still 130.0 MB. Free memory was 87.5 MB in the beginning and 79.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:31,901 INFO L168 Benchmark]: Boogie Preprocessor took 50.66 ms. Allocated memory is still 130.0 MB. Free memory was 79.6 MB in the beginning and 74.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:31,901 INFO L168 Benchmark]: RCFGBuilder took 5563.79 ms. Allocated memory was 130.0 MB in the beginning and 253.8 MB in the end (delta: 123.7 MB). Free memory was 74.5 MB in the beginning and 89.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 150.7 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:31,902 INFO L168 Benchmark]: TraceAbstraction took 529269.34 ms. Allocated memory was 253.8 MB in the beginning and 710.9 MB in the end (delta: 457.2 MB). Free memory was 88.7 MB in the beginning and 602.8 MB in the end (delta: -514.1 MB). Peak memory consumption was 346.8 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:31,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 130.0 MB. Free memory was 100.7 MB in the beginning and 100.7 MB in the end (delta: 24.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.42 ms. Allocated memory is still 130.0 MB. Free memory was 91.2 MB in the beginning and 87.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.13 ms. Allocated memory is still 130.0 MB. Free memory was 87.5 MB in the beginning and 79.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.66 ms. Allocated memory is still 130.0 MB. Free memory was 79.6 MB in the beginning and 74.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5563.79 ms. Allocated memory was 130.0 MB in the beginning and 253.8 MB in the end (delta: 123.7 MB). Free memory was 74.5 MB in the beginning and 89.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 150.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 529269.34 ms. Allocated memory was 253.8 MB in the beginning and 710.9 MB in the end (delta: 457.2 MB). Free memory was 88.7 MB in the beginning and 602.8 MB in the end (delta: -514.1 MB). Peak memory consumption was 346.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 07:08:33,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:08:33,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:08:33,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:08:33,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:08:33,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:08:33,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:08:33,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:08:33,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:08:33,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:08:33,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:08:33,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:08:33,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:08:33,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:08:33,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:08:33,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:08:33,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:08:33,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:08:33,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:08:33,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:08:33,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:08:33,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:08:33,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:08:33,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:08:33,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:08:33,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:08:33,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:08:33,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:08:33,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:08:33,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:08:33,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:08:33,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:08:33,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:08:33,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:08:33,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:08:33,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:08:33,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:08:33,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:08:33,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:08:33,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:08:33,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:08:33,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 07:08:33,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:08:33,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:08:33,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:08:33,540 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:08:33,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:08:33,541 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:08:33,541 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:08:33,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:08:33,541 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:08:33,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:08:33,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:08:33,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:08:33,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:08:33,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:08:33,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:08:33,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:08:33,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 07:08:33,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 07:08:33,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 07:08:33,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:08:33,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:08:33,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:08:33,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:08:33,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:08:33,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 07:08:33,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:08:33,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:08:33,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:08:33,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:08:33,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:08:33,546 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 07:08:33,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 07:08:33,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:08:33,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:08:33,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:08:33,547 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 083929d0ff0bd9151d75d230540032d7b88e56ba [2020-12-09 07:08:33,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:08:33,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:08:33,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:08:33,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:08:33,806 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:08:33,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c [2020-12-09 07:08:33,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/bed0acb22/34cff818295343f4aefee89e8a46b3a2/FLAG495d04d0b [2020-12-09 07:08:34,283 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:08:34,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/sv-benchmarks/c/eca-rers2012/Problem10_label01.c [2020-12-09 07:08:34,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/bed0acb22/34cff818295343f4aefee89e8a46b3a2/FLAG495d04d0b [2020-12-09 07:08:34,304 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/data/bed0acb22/34cff818295343f4aefee89e8a46b3a2 [2020-12-09 07:08:34,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:08:34,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:08:34,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:08:34,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:08:34,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:08:34,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffa1768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34, skipping insertion in model container [2020-12-09 07:08:34,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:08:34,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:08:34,491 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/sv-benchmarks/c/eca-rers2012/Problem10_label01.c[6098,6111] [2020-12-09 07:08:34,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:08:34,607 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 07:08:34,630 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/sv-benchmarks/c/eca-rers2012/Problem10_label01.c[6098,6111] [2020-12-09 07:08:34,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:08:34,697 INFO L208 MainTranslator]: Completed translation [2020-12-09 07:08:34,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34 WrapperNode [2020-12-09 07:08:34,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:08:34,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 07:08:34,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 07:08:34,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 07:08:34,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 07:08:34,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 07:08:34,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 07:08:34,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 07:08:34,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... [2020-12-09 07:08:34,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 07:08:34,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 07:08:34,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 07:08:34,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 07:08:34,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/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 [2020-12-09 07:08:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 07:08:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 07:08:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 07:08:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 07:08:36,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 07:08:36,815 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 07:08:36,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:36 BoogieIcfgContainer [2020-12-09 07:08:36,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 07:08:36,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 07:08:36,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 07:08:36,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 07:08:36,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:08:34" (1/3) ... [2020-12-09 07:08:36,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ab17ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:08:36, skipping insertion in model container [2020-12-09 07:08:36,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:34" (2/3) ... [2020-12-09 07:08:36,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ab17ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:08:36, skipping insertion in model container [2020-12-09 07:08:36,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:36" (3/3) ... [2020-12-09 07:08:36,824 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label01.c [2020-12-09 07:08:36,839 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 07:08:36,843 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 07:08:36,852 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 07:08:36,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 07:08:36,872 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 07:08:36,872 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 07:08:36,872 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 07:08:36,872 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 07:08:36,872 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 07:08:36,872 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 07:08:36,872 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 07:08:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-09 07:08:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-09 07:08:36,890 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:08:36,890 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] [2020-12-09 07:08:36,891 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:08:36,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:08:36,894 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-12-09 07:08:36,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:08:36,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051340452] [2020-12-09 07:08:36,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 07:08:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:08:36,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 07:08:36,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:08:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:08:37,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:08:37,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051340452] [2020-12-09 07:08:37,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:08:37,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 07:08:37,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000291539] [2020-12-09 07:08:37,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:08:37,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:08:37,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:08:37,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:08:37,122 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-09 07:08:39,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:08:39,693 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-09 07:08:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:08:39,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-09 07:08:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:08:39,704 INFO L225 Difference]: With dead ends: 567 [2020-12-09 07:08:39,704 INFO L226 Difference]: Without dead ends: 282 [2020-12-09 07:08:39,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:08:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-09 07:08:39,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-09 07:08:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-09 07:08:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 392 transitions. [2020-12-09 07:08:39,743 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 392 transitions. Word has length 53 [2020-12-09 07:08:39,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:08:39,744 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 392 transitions. [2020-12-09 07:08:39,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:08:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 392 transitions. [2020-12-09 07:08:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-09 07:08:39,748 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:08:39,748 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:08:39,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 07:08:39,950 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:08:39,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:08:39,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1138274588, now seen corresponding path program 1 times [2020-12-09 07:08:39,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:08:39,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34824785] [2020-12-09 07:08:39,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 07:08:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:08:40,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:08:40,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:08:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:08:40,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:08:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:08:40,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34824785] [2020-12-09 07:08:40,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1841141420] [2020-12-09 07:08:40,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt [2020-12-09 07:08:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:08:40,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 07:08:40,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:08:40,815 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 07:08:40,816 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 07:08:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:08:40,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:08:40,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 07:08:40,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3] total 10 [2020-12-09 07:08:40,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510005024] [2020-12-09 07:08:40,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 07:08:40,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:08:40,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 07:08:40,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-09 07:08:40,919 INFO L87 Difference]: Start difference. First operand 282 states and 392 transitions. Second operand 6 states. [2020-12-09 07:08:43,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:08:43,812 INFO L93 Difference]: Finished difference Result 699 states and 996 transitions. [2020-12-09 07:08:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 07:08:43,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-12-09 07:08:43,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:08:43,813 INFO L225 Difference]: With dead ends: 699 [2020-12-09 07:08:43,813 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 07:08:43,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-09 07:08:43,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 07:08:43,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 07:08:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 07:08:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 07:08:43,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2020-12-09 07:08:43,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:08:43,816 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 07:08:43,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 07:08:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 07:08:43,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 07:08:44,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3,4 cvc4 --incremental --print-success --lang smt [2020-12-09 07:08:44,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 07:08:44,303 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-09 07:08:44,303 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-09 07:08:44,303 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-09 07:08:44,304 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,305 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 07:08:44,306 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-09 07:08:44,307 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,308 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 07:08:44,309 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-09 07:08:44,310 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,311 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 07:08:44,312 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (or (not (= (_ bv6 32) ~a19~0)) (not (= ~a4~0 (_ bv14 32))) (not (bvslt (_ bv4294967283 32) ~a1~0)) (not (= (_ bv0 32) ~a12~0)) (not (= (_ bv0 32) ~a10~0))) [2020-12-09 07:08:44,312 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-09 07:08:44,313 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,314 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-09 07:08:44,315 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 07:08:44,316 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (or (not (= (_ bv6 32) ~a19~0)) (not (= ~a4~0 (_ bv14 32))) (not (bvslt (_ bv4294967283 32) ~a1~0)) (not (= (_ bv0 32) ~a12~0)) (not (= (_ bv0 32) ~a10~0))) [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 07:08:44,317 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 07:08:44,318 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-09 07:08:44,319 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 07:08:44,320 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 07:08:44,320 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 07:08:44,320 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 07:08:44,320 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 07:08:44,320 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 07:08:44,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:08:44 BoogieIcfgContainer [2020-12-09 07:08:44,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 07:08:44,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 07:08:44,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 07:08:44,331 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 07:08:44,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:36" (3/4) ... [2020-12-09 07:08:44,334 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 07:08:44,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 07:08:44,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 07:08:44,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:08:44,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:08:44,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fa79992d-d25d-4398-b067-95fcf37fbd04/bin/utaipan/witness.graphml [2020-12-09 07:08:44,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 07:08:44,454 INFO L168 Benchmark]: Toolchain (without parser) took 10145.94 ms. Allocated memory was 65.0 MB in the beginning and 104.9 MB in the end (delta: 39.8 MB). Free memory was 45.1 MB in the beginning and 42.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:44,454 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 65.0 MB. Free memory was 48.3 MB in the beginning and 48.2 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:08:44,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.00 ms. Allocated memory is still 65.0 MB. Free memory was 44.9 MB in the beginning and 29.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:44,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.03 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 29.7 MB in the beginning and 65.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:44,455 INFO L168 Benchmark]: Boogie Preprocessor took 45.40 ms. Allocated memory is still 86.0 MB. Free memory was 65.2 MB in the beginning and 60.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:44,455 INFO L168 Benchmark]: RCFGBuilder took 2010.34 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 35.6 MB in the end (delta: 24.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:44,455 INFO L168 Benchmark]: TraceAbstraction took 7512.41 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 35.1 MB in the beginning and 57.7 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:08:44,456 INFO L168 Benchmark]: Witness Printer took 121.48 ms. Allocated memory is still 104.9 MB. Free memory was 57.7 MB in the beginning and 42.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 07:08:44,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 65.0 MB. Free memory was 48.3 MB in the beginning and 48.2 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.00 ms. Allocated memory is still 65.0 MB. Free memory was 44.9 MB in the beginning and 29.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.03 ms. Allocated memory was 65.0 MB in the beginning and 86.0 MB in the end (delta: 21.0 MB). Free memory was 29.7 MB in the beginning and 65.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.40 ms. Allocated memory is still 86.0 MB. Free memory was 65.2 MB in the beginning and 60.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2010.34 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 35.6 MB in the end (delta: 24.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7512.41 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 35.1 MB in the beginning and 57.7 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 121.48 ms. Allocated memory is still 104.9 MB. Free memory was 57.7 MB in the beginning and 42.8 MB in the end (delta: 14.9 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: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((!(6bv32 == a19) || !(a4 == 14bv32)) || !~bvslt32(4294967283bv32, a1)) || !(0bv32 == a12)) || !(0bv32 == a10) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(6bv32 == a19) || !(a4 == 14bv32)) || !~bvslt32(4294967283bv32, a1)) || !(0bv32 == a12)) || !(0bv32 == a10) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.3s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 SDtfs, 909 SDslu, 10 SDs, 0 SdLazy, 832 SolverSat, 330 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 11 NumberOfFragments, 43 HoareAnnotationTreeSize, 3 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 265714 SizeOfPredicates, 4 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 50/150 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...