./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4010987a9491115d77d9d3fb6c886df4539bd24a ...................................................................................................................................................................................................................................................................................................... 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_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4010987a9491115d77d9d3fb6c886df4539bd24a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:11:13,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:13,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:13,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:13,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:13,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:13,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:13,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:13,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:13,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:13,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:13,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:13,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:13,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:13,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:13,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:13,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:13,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:13,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:13,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:13,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:13,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:13,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:13,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:13,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:13,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:13,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:13,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:13,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:13,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:13,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:13,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:13,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:13,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:13,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:13,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:13,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:13,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:13,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:13,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:13,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:13,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:11:14,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:14,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:14,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:14,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:14,014 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:14,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:14,015 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:14,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:14,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:14,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:14,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:14,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:14,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:14,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:14,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:14,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:14,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:14,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:14,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:14,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:14,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:14,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:14,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:14,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:14,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:14,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:11:14,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:11:14,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:14,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:14,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4010987a9491115d77d9d3fb6c886df4539bd24a [2020-11-30 00:11:14,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:14,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:14,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:14,304 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:14,306 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:14,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2020-11-30 00:11:14,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/0921b7e06/76c9f8e2ff984e138010211f1160e7d7/FLAG16b2dcd6f [2020-11-30 00:11:14,855 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:14,855 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2020-11-30 00:11:14,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/0921b7e06/76c9f8e2ff984e138010211f1160e7d7/FLAG16b2dcd6f [2020-11-30 00:11:15,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/0921b7e06/76c9f8e2ff984e138010211f1160e7d7 [2020-11-30 00:11:15,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:15,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:15,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:15,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:15,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:15,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69acaf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15, skipping insertion in model container [2020-11-30 00:11:15,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:15,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:15,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:15,495 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:15,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:15,555 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:15,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15 WrapperNode [2020-11-30 00:11:15,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:15,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:15,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:15,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:15,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:15,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:15,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:15,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:15,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... [2020-11-30 00:11:15,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:15,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:15,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:15,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:15,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:11:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:16,073 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:16,073 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-11-30 00:11:16,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:16 BoogieIcfgContainer [2020-11-30 00:11:16,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:16,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:16,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:16,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:16,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:15" (1/3) ... [2020-11-30 00:11:16,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7503855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:16, skipping insertion in model container [2020-11-30 00:11:16,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:15" (2/3) ... [2020-11-30 00:11:16,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7503855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:16, skipping insertion in model container [2020-11-30 00:11:16,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:16" (3/3) ... [2020-11-30 00:11:16,085 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound2.c [2020-11-30 00:11:16,096 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:16,100 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 00:11:16,114 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 00:11:16,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:16,166 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:16,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:16,167 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:16,167 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:16,167 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:16,167 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:16,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-30 00:11:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:11:16,194 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:16,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:16,196 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash -144177098, now seen corresponding path program 1 times [2020-11-30 00:11:16,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:16,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830034603] [2020-11-30 00:11:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:16,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830034603] [2020-11-30 00:11:16,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:16,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:16,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445570605] [2020-11-30 00:11:16,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:11:16,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:16,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:11:16,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:16,463 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-30 00:11:16,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:16,487 INFO L93 Difference]: Finished difference Result 63 states and 94 transitions. [2020-11-30 00:11:16,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:11:16,489 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-30 00:11:16,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:16,508 INFO L225 Difference]: With dead ends: 63 [2020-11-30 00:11:16,508 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:11:16,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:16,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:11:16,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:11:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:11:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-11-30 00:11:16,550 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2020-11-30 00:11:16,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:16,551 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-11-30 00:11:16,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:11:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-11-30 00:11:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:11:16,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:16,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:16,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:11:16,553 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:16,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:16,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1281167042, now seen corresponding path program 1 times [2020-11-30 00:11:16,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:16,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471672564] [2020-11-30 00:11:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:16,577 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:11:16,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055346035] [2020-11-30 00:11:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:11:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:16,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 29 conjunts are in the unsatisfiable core [2020-11-30 00:11:16,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:16,764 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-30 00:11:16,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:16,822 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-30 00:11:16,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:16,918 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-30 00:11:16,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:17,124 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-30 00:11:17,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:17,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471672564] [2020-11-30 00:11:17,292 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:11:17,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055346035] [2020-11-30 00:11:17,292 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-11-30 00:11:17,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:17,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-30 00:11:17,293 ERROR L205 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2020-11-30 00:11:17,293 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:11:17,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-30 00:11:17,521 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-30 00:11:17,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:11:17 BoogieIcfgContainer [2020-11-30 00:11:17,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:11:17,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:17,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:17,525 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:17,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:16" (3/4) ... [2020-11-30 00:11:17,529 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:11:17,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:17,532 INFO L168 Benchmark]: Toolchain (without parser) took 2290.36 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 69.1 MB in the beginning and 81.9 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:17,533 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:17,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.39 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 74.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:17,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.46 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 72.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:17,535 INFO L168 Benchmark]: Boogie Preprocessor took 44.99 ms. Allocated memory is still 96.5 MB. Free memory was 72.6 MB in the beginning and 71.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:17,536 INFO L168 Benchmark]: RCFGBuilder took 404.03 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 55.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:17,537 INFO L168 Benchmark]: TraceAbstraction took 1445.01 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.4 MB in the beginning and 82.7 MB in the end (delta: -27.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:17,537 INFO L168 Benchmark]: Witness Printer took 7.57 ms. Allocated memory is still 117.4 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:17,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.39 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 74.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.46 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 72.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.99 ms. Allocated memory is still 96.5 MB. Free memory was 72.6 MB in the beginning and 71.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 404.03 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 55.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1445.01 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 55.4 MB in the beginning and 82.7 MB in the end (delta: -27.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.57 ms. Allocated memory is still 117.4 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L20] int A, R; [L21] long long u, v, r; [L22] A = __VERIFIER_nondet_int() [L9] COND FALSE !(!cond) [L24] R = __VERIFIER_nondet_int() [L9] COND FALSE !(!cond) [L9] COND FALSE !(!cond) [L9] COND FALSE !(!cond) [L30] u = ((long long) 2 * R) + 1 [L31] v = 1 [L32] r = ((long long) R * R) - A [L35] COND TRUE 1 [L12] COND TRUE !(cond) [L5] __assert_fail("0", "fermat1-ll.c", 5, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 35 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:11:20,004 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-30 00:11:20,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:20,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:20,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:20,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:20,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:20,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:20,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:20,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:20,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:20,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:20,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:20,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:11:20,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:20,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:20,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:20,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:20,218 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:20,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:20,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:20,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:20,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:20,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:20,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:20,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:20,221 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:11:20,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:11:20,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:20,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:20,222 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:20,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:20,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:20,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:20,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:20,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:20,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:20,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:20,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:20,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:20,225 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:11:20,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:11:20,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:20,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:20,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:11:20,226 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_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4010987a9491115d77d9d3fb6c886df4539bd24a [2020-11-30 00:11:20,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:20,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:20,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:20,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:20,689 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:20,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2020-11-30 00:11:20,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/8728ab7d6/3ed1afa7766f4a5da043a98d1e1e9d45/FLAG56bf546d6 [2020-11-30 00:11:21,284 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:21,285 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2020-11-30 00:11:21,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/8728ab7d6/3ed1afa7766f4a5da043a98d1e1e9d45/FLAG56bf546d6 [2020-11-30 00:11:21,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/data/8728ab7d6/3ed1afa7766f4a5da043a98d1e1e9d45 [2020-11-30 00:11:21,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:21,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:21,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:21,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:21,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:21,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:21,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d94c315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21, skipping insertion in model container [2020-11-30 00:11:21,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:21,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:21,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:21,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:21,918 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:21,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:21,962 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:21,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21 WrapperNode [2020-11-30 00:11:21,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:21,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:21,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:21,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:21,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:21,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:22,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:22,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:22,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:22,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... [2020-11-30 00:11:22,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:22,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:22,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:22,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:22,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:11:22,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:22,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:23,517 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:23,517 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-11-30 00:11:23,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:23 BoogieIcfgContainer [2020-11-30 00:11:23,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:23,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:23,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:23,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:23,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:21" (1/3) ... [2020-11-30 00:11:23,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4966aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:23, skipping insertion in model container [2020-11-30 00:11:23,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:21" (2/3) ... [2020-11-30 00:11:23,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4966aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:23, skipping insertion in model container [2020-11-30 00:11:23,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:23" (3/3) ... [2020-11-30 00:11:23,559 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat1-ll_valuebound2.c [2020-11-30 00:11:23,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:23,574 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 00:11:23,583 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-30 00:11:23,613 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:23,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:23,614 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:23,614 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:23,614 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:23,614 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:23,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:23,614 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-30 00:11:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:11:23,629 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:23,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:23,630 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:23,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:23,635 INFO L82 PathProgramCache]: Analyzing trace with hash -144177098, now seen corresponding path program 1 times [2020-11-30 00:11:23,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:11:23,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815535083] [2020-11-30 00:11:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/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 [2020-11-30 00:11:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:23,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:11:23,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:23,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:11:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:23,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815535083] [2020-11-30 00:11:23,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:23,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:11:23,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579986755] [2020-11-30 00:11:23,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:11:23,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:11:23,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:11:23,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:23,901 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-30 00:11:23,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:23,920 INFO L93 Difference]: Finished difference Result 63 states and 94 transitions. [2020-11-30 00:11:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:11:23,922 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-11-30 00:11:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:23,931 INFO L225 Difference]: With dead ends: 63 [2020-11-30 00:11:23,931 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:11:23,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:23,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:11:23,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:11:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:11:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-11-30 00:11:23,985 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2020-11-30 00:11:23,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:23,985 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-11-30 00:11:23,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:11:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-11-30 00:11:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:11:23,987 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:23,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:24,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:11:24,203 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:24,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:24,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1281167042, now seen corresponding path program 1 times [2020-11-30 00:11:24,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:11:24,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768291035] [2020-11-30 00:11:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/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 [2020-11-30 00:11:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:24,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 00:11:24,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:24,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:24,668 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:24,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:25,207 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 00:11:25,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:11:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:25,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:11:29,157 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-30 00:11:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:29,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768291035] [2020-11-30 00:11:29,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:29,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 4] imperfect sequences [] total 12 [2020-11-30 00:11:29,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765669778] [2020-11-30 00:11:29,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-30 00:11:29,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:11:29,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-30 00:11:29,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:11:29,195 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 12 states. [2020-11-30 00:11:32,474 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-11-30 00:11:33,051 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-30 00:11:38,513 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-11-30 00:11:41,943 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 17 [2020-11-30 00:11:43,460 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 16 [2020-11-30 00:11:57,552 WARN L193 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-11-30 00:11:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:58,724 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2020-11-30 00:11:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-30 00:11:58,763 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-30 00:11:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:58,765 INFO L225 Difference]: With dead ends: 64 [2020-11-30 00:11:58,765 INFO L226 Difference]: Without dead ends: 58 [2020-11-30 00:11:58,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2020-11-30 00:11:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-11-30 00:11:58,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 47. [2020-11-30 00:11:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-30 00:11:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2020-11-30 00:11:58,795 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 13 [2020-11-30 00:11:58,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:58,796 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2020-11-30 00:11:58,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-30 00:11:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2020-11-30 00:11:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:11:58,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:58,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:59,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:11:59,015 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:59,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2132933875, now seen corresponding path program 1 times [2020-11-30 00:11:59,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:11:59,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882223661] [2020-11-30 00:11:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:11:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:59,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-30 00:11:59,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:59,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:59,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:59,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:11:59,805 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 00:12:04,371 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-11-30 00:12:05,022 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-11-30 00:12:05,037 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:12:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:05,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:12:11,157 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 17 [2020-11-30 00:12:17,291 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 23 [2020-11-30 00:12:23,642 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 25 [2020-11-30 00:12:23,656 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-30 00:12:23,656 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:12:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:23,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882223661] [2020-11-30 00:12:23,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:12:23,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 6] imperfect sequences [] total 16 [2020-11-30 00:12:23,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352571968] [2020-11-30 00:12:23,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-30 00:12:23,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:12:23,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-30 00:12:23,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-11-30 00:12:23,918 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 16 states. [2020-11-30 00:12:33,897 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-11-30 00:12:34,655 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-30 00:12:35,929 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-11-30 00:12:48,311 WARN L193 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-11-30 00:13:00,778 WARN L193 SmtUtils]: Spent 9.92 s on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-11-30 00:13:11,626 WARN L193 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-11-30 00:13:26,537 WARN L193 SmtUtils]: Spent 10.50 s on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-11-30 00:13:38,944 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (bvsle c_ULTIMATE.start_main_~A~0 (_ bv2 32))) (.cse0 (= (_ bv1 32) (bvsrem c_ULTIMATE.start_main_~A~0 (_ bv2 32)))) (.cse6 (bvsge c_ULTIMATE.start_main_~A~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) c_ULTIMATE.start_assume_abort_if_not_~cond)) (.cse3 (bvsle c_ULTIMATE.start_main_~R~0 (_ bv2 32))) (.cse4 (bvsge c_ULTIMATE.start_main_~R~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond))) (and .cse0 (= (let ((.cse1 ((_ sign_extend 32) (_ bv2 32)))) (bvadd (bvmul c_ULTIMATE.start_main_~v~0 .cse1) (bvmul c_ULTIMATE.start_main_~u~0 c_ULTIMATE.start_main_~u~0) (bvneg (bvmul .cse1 c_ULTIMATE.start_main_~u~0)) (bvneg (bvmul c_ULTIMATE.start_main_~v~0 c_ULTIMATE.start_main_~v~0)))) (bvmul ((_ sign_extend 32) (_ bv4 32)) ((_ sign_extend 32) c_ULTIMATE.start_main_~A~0))) .cse2 .cse3 .cse4 (or (and .cse2 .cse5 .cse6) (and .cse7 (or (not .cse2) (not .cse6)))) (or (and (not .cse0) .cse7) (and .cse0 .cse5)) .cse6 (or (and .cse3 .cse5 .cse4) (and (or (not .cse3) (not .cse4)) .cse7)))) is different from false [2020-11-30 00:13:40,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:13:40,037 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2020-11-30 00:13:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-30 00:13:40,058 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 16 [2020-11-30 00:13:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:13:40,058 INFO L225 Difference]: With dead ends: 100 [2020-11-30 00:13:40,059 INFO L226 Difference]: Without dead ends: 53 [2020-11-30 00:13:40,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 80.4s TimeCoverageRelationStatistics Valid=214, Invalid=491, Unknown=1, NotChecked=50, Total=756 [2020-11-30 00:13:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-30 00:13:40,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 43. [2020-11-30 00:13:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 00:13:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-11-30 00:13:40,070 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 16 [2020-11-30 00:13:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:13:40,071 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-11-30 00:13:40,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-30 00:13:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-11-30 00:13:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:13:40,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:13:40,072 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:13:40,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:13:40,274 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:13:40,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:13:40,275 INFO L82 PathProgramCache]: Analyzing trace with hash 906879839, now seen corresponding path program 1 times [2020-11-30 00:13:40,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:13:40,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017111088] [2020-11-30 00:13:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6ed5b87-68a4-4978-9773-13256487abcb/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 00:13:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:13:40,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 00:13:40,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:13:40,629 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:13:40,678 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:13:42,244 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 24 [2020-11-30 00:13:42,246 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:13:51,113 WARN L193 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2020-11-30 00:13:55,929 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 25 [2020-11-30 00:13:55,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:14:14,310 WARN L193 SmtUtils]: Spent 17.78 s on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2020-11-30 00:14:30,076 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 23 [2020-11-30 00:14:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:14:32,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:14:43,423 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-30 00:14:48,670 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-30 00:14:48,672 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:14:52,386 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 00:14:56,038 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 00:14:56,041 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:15:05,724 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 22 [2020-11-30 00:15:14,279 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 24 [2020-11-30 00:15:14,290 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:15:22,381 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 00:15:28,822 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-11-30 00:15:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:15:28,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017111088] [2020-11-30 00:15:28,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:15:28,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 20 [2020-11-30 00:15:28,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148321830] [2020-11-30 00:15:28,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-30 00:15:28,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:15:28,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-30 00:15:28,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=267, Unknown=16, NotChecked=0, Total=380 [2020-11-30 00:15:28,896 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 20 states. [2020-11-30 00:16:10,196 WARN L193 SmtUtils]: Spent 25.08 s on a formula simplification. DAG size of input: 36 DAG size of output: 19 [2020-11-30 00:16:25,813 WARN L193 SmtUtils]: Spent 15.04 s on a formula simplification. DAG size of input: 47 DAG size of output: 20 [2020-11-30 00:16:42,610 WARN L193 SmtUtils]: Spent 16.68 s on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2020-11-30 00:16:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:16:43,045 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2020-11-30 00:16:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:16:43,083 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 22 [2020-11-30 00:16:43,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:16:43,083 INFO L225 Difference]: With dead ends: 46 [2020-11-30 00:16:43,084 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:16:43,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 168.6s TimeCoverageRelationStatistics Valid=175, Invalid=407, Unknown=18, NotChecked=0, Total=600 [2020-11-30 00:16:43,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:16:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:16:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:16:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:16:43,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-11-30 00:16:43,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:16:43,086 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:16:43,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-30 00:16:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:16:43,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:16:43,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:16:43,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:16:45,719 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-11-30 00:16:46,708 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-11-30 00:16:51,352 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-11-30 00:16:51,356 INFO L274 CegarLoopResult]: For program point L35-2(lines 35 55) no Hoare annotation was computed. [2020-11-30 00:16:51,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-30 00:16:51,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:16:51,356 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:16:51,356 INFO L274 CegarLoopResult]: For program point L12(lines 12 15) no Hoare annotation was computed. [2020-11-30 00:16:51,357 INFO L270 CegarLoopResult]: At program point L12-1(lines 37 38) the Hoare annotation is: (and (= (_ bv1 32) (bvsrem ULTIMATE.start_main_~A~0 (_ bv2 32))) (= ULTIMATE.start_main_~v~0 ((_ sign_extend 32) (_ bv1 32))) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (exists ((ULTIMATE.start_main_~R~0 (_ BitVec 32))) (let ((.cse0 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (and (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (= ULTIMATE.start_main_~r~0 (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (bvmul .cse0 .cse0))) (= ULTIMATE.start_main_~u~0 (bvadd ((_ sign_extend 32) (_ bv1 32)) (bvmul ((_ sign_extend 32) (_ bv2 32)) .cse0)))))) (exists ((ULTIMATE.start_main_~R~0 (_ BitVec 32))) (let ((.cse1 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (and (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (= ULTIMATE.start_main_~u~0 (bvadd ((_ sign_extend 32) (_ bv1 32)) (bvmul ((_ sign_extend 32) (_ bv2 32)) .cse1))) (= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (bvmul .cse1 .cse1))))))) [2020-11-30 00:16:51,360 INFO L274 CegarLoopResult]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2020-11-30 00:16:51,360 INFO L270 CegarLoopResult]: At program point L12-3(lines 42 43) the Hoare annotation is: false [2020-11-30 00:16:51,360 INFO L274 CegarLoopResult]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2020-11-30 00:16:51,361 INFO L270 CegarLoopResult]: At program point L12-5(lines 50 51) the Hoare annotation is: (and (= (_ bv1 32) (bvsrem ULTIMATE.start_main_~A~0 (_ bv2 32))) (= ULTIMATE.start_main_~v~0 ((_ sign_extend 32) (_ bv1 32))) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (exists ((ULTIMATE.start_main_~R~0 (_ BitVec 32))) (let ((.cse0 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (and (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (= ULTIMATE.start_main_~r~0 (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (bvmul .cse0 .cse0))) (= ULTIMATE.start_main_~u~0 (bvadd ((_ sign_extend 32) (_ bv1 32)) (bvmul ((_ sign_extend 32) (_ bv2 32)) .cse0)))))) (exists ((ULTIMATE.start_main_~R~0 (_ BitVec 32))) (let ((.cse1 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (and (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (= ULTIMATE.start_main_~u~0 (bvadd ((_ sign_extend 32) (_ bv1 32)) (bvmul ((_ sign_extend 32) (_ bv2 32)) .cse1))) (= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (bvmul .cse1 .cse1))))))) [2020-11-30 00:16:51,361 INFO L274 CegarLoopResult]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2020-11-30 00:16:51,361 INFO L277 CegarLoopResult]: At program point L12-7(lines 11 17) the Hoare annotation is: true [2020-11-30 00:16:51,361 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-30 00:16:51,361 INFO L274 CegarLoopResult]: For program point L13(lines 13 14) no Hoare annotation was computed. [2020-11-30 00:16:51,361 INFO L274 CegarLoopResult]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2020-11-30 00:16:51,361 INFO L274 CegarLoopResult]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2020-11-30 00:16:51,362 INFO L274 CegarLoopResult]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2020-11-30 00:16:51,362 INFO L274 CegarLoopResult]: For program point L48-1(lines 35 55) no Hoare annotation was computed. [2020-11-30 00:16:51,362 INFO L270 CegarLoopResult]: At program point L48-2(lines 35 55) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) (bvsrem ULTIMATE.start_main_~A~0 (_ bv2 32)))) (.cse1 (= ULTIMATE.start_main_~v~0 ((_ sign_extend 32) (_ bv1 32)))) (.cse2 (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond)) (.cse3 (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32))) (.cse4 (exists ((ULTIMATE.start_main_~R~0 (_ BitVec 32))) (let ((.cse8 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (and (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (= ULTIMATE.start_main_~r~0 (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (bvmul .cse8 .cse8))) (= ULTIMATE.start_main_~u~0 (bvadd ((_ sign_extend 32) (_ bv1 32)) (bvmul ((_ sign_extend 32) (_ bv2 32)) .cse8)))))))) (or (let ((.cse5 ((_ sign_extend 32) (_ bv0 32)))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= .cse5 (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (let ((.cse6 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (bvmul .cse6 .cse6)))) (= .cse5 ULTIMATE.start_main_~r~0))) (and .cse0 .cse1 (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) .cse2 .cse3 .cse4 (exists ((ULTIMATE.start_main_~R~0 (_ BitVec 32))) (let ((.cse7 ((_ sign_extend 32) ULTIMATE.start_main_~R~0))) (and (bvsle ULTIMATE.start_main_~R~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~R~0 (_ bv0 32)) (= ULTIMATE.start_main_~u~0 (bvadd ((_ sign_extend 32) (_ bv1 32)) (bvmul ((_ sign_extend 32) (_ bv2 32)) .cse7))) (= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ULTIMATE.start_main_~A~0)) (bvmul .cse7 .cse7))))))))) [2020-11-30 00:16:51,362 INFO L270 CegarLoopResult]: At program point L40-2(lines 40 46) the Hoare annotation is: false [2020-11-30 00:16:51,362 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:16:51,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-30 00:16:51,362 INFO L274 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L8-1(lines 8 10) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L8-3(lines 8 10) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L277 CegarLoopResult]: At program point L58(lines 19 59) the Hoare annotation is: true [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L9-4(line 9) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point L9-6(line 9) no Hoare annotation was computed. [2020-11-30 00:16:51,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-11-30 00:16:51,381 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) 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) [2020-11-30 00:16:51,386 INFO L168 Benchmark]: Toolchain (without parser) took 329734.14 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 40.7 MB in the beginning and 46.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:51,386 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:16:51,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.67 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 29.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:51,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.77 ms. Allocated memory is still 60.8 MB. Free memory was 29.8 MB in the beginning and 45.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:51,388 INFO L168 Benchmark]: Boogie Preprocessor took 35.74 ms. Allocated memory is still 60.8 MB. Free memory was 45.0 MB in the beginning and 43.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:51,389 INFO L168 Benchmark]: RCFGBuilder took 1408.56 ms. Allocated memory is still 60.8 MB. Free memory was 43.6 MB in the beginning and 27.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:51,390 INFO L168 Benchmark]: TraceAbstraction took 327861.76 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 27.2 MB in the beginning and 46.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:16:51,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.67 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 29.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.77 ms. Allocated memory is still 60.8 MB. Free memory was 29.8 MB in the beginning and 45.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.74 ms. Allocated memory is still 60.8 MB. Free memory was 45.0 MB in the beginning and 43.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1408.56 ms. Allocated memory is still 60.8 MB. Free memory was 43.6 MB in the beginning and 27.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 327861.76 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 27.2 MB in the beginning and 46.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...