./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i --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_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ad235452093d4a125e0fa0473df9189ee1a07ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ad235452093d4a125e0fa0473df9189ee1a07ad ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:23:04,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:23:04,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:23:04,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:23:04,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:23:04,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:23:04,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:23:04,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:23:04,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:23:04,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:23:04,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:23:04,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:23:04,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:23:04,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:23:04,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:23:04,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:23:04,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:23:04,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:23:04,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:23:04,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:23:04,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:23:04,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:23:04,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:23:04,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:23:04,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:23:04,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:23:04,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:23:04,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:23:04,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:23:04,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:23:04,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:23:04,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:23:04,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:23:04,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:23:04,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:23:04,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:23:04,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:23:04,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:23:04,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:23:04,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:23:04,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:23:04,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:23:04,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:23:04,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:23:04,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:23:04,690 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:23:04,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:23:04,691 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:23:04,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:23:04,691 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:23:04,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:23:04,692 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:23:04,692 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:23:04,692 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:23:04,693 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:23:04,693 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:23:04,693 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:23:04,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:23:04,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:23:04,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:23:04,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:23:04,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:23:04,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:23:04,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:23:04,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:23:04,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:23:04,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:23:04,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:23:04,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:23:04,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:23:04,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:23:04,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:23:04,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:23:04,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:23:04,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:23:04,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:23:04,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:23:04,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:23:04,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:23:04,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:23:04,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:23:04,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:23:04,703 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad235452093d4a125e0fa0473df9189ee1a07ad [2020-11-30 02:23:05,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:23:05,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:23:05,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:23:05,065 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:23:05,066 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:23:05,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2020-11-30 02:23:05,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/d54691c05/033b1828b3e6402d89819fa64e9f6902/FLAG0e41220b3 [2020-11-30 02:23:05,851 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:23:05,855 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2020-11-30 02:23:05,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/d54691c05/033b1828b3e6402d89819fa64e9f6902/FLAG0e41220b3 [2020-11-30 02:23:06,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/d54691c05/033b1828b3e6402d89819fa64e9f6902 [2020-11-30 02:23:06,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:23:06,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:23:06,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:23:06,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:23:06,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:23:06,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:23:06" (1/1) ... [2020-11-30 02:23:06,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c53ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:06, skipping insertion in model container [2020-11-30 02:23:06,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:23:06" (1/1) ... [2020-11-30 02:23:06,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:23:06,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:23:06,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:23:06,979 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:23:07,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:23:07,324 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:23:07,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07 WrapperNode [2020-11-30 02:23:07,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:23:07,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:23:07,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:23:07,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:23:07,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:23:07,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:23:07,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:23:07,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:23:07,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... [2020-11-30 02:23:07,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:23:07,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:23:07,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:23:07,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:23:07,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:23:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:23:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 02:23:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:23:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 02:23:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 02:23:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 02:23:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 02:23:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:23:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:23:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:23:08,384 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,387 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,392 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,393 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,395 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,397 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,399 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,400 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,410 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,412 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,416 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,418 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,419 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,420 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,435 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,436 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,439 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,440 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,441 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,443 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,444 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,445 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,451 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,453 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,455 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,457 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,458 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,459 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,469 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,470 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,472 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,473 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,473 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,474 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,475 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,476 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,480 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,482 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,483 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,485 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,485 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:08,486 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:23:15,017 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1282: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1283: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1275: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1276: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1261: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,018 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1262: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##253: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1238: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,019 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1239: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1224: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1225: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,020 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,021 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##239: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,021 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,021 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-14: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,021 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-17: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,021 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-23: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,021 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-24: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,022 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-25: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,022 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-26: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,022 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-29: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,022 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-30: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,022 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-31: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,023 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-32: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,023 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-45: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,023 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-48: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,023 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-12: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-12: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-15: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-15: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-54: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-57: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-58: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-21: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-21: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-59: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-22: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-22: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,033 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-60: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,033 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-23: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,043 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-23: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0; [2020-11-30 02:23:15,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-24: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-24: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-27: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-27: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-28: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-28: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-29: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-29: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-30: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-30: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-42: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,048 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-42: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,048 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-48: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,048 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-48: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,049 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-79: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,049 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-42: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-30 02:23:15,051 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-42: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,051 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-82: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,052 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-45: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,052 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-45: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,052 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-88: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,052 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-51: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-30 02:23:15,053 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-51: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,053 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-89: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,053 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-90: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,055 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-91: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,055 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-54: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,055 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-54: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,056 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-55: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,056 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-55: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,056 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-56: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,056 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-56: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,058 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-94: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,058 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-57: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,058 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-57: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,058 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-95: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,058 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-96: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,059 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-97: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,059 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-110: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,059 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-74: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,061 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-74: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,061 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-113: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,062 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-77: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,062 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-77: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,062 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-119: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,063 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-83: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,063 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-83: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,063 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-84: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,064 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-84: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,064 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-122: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,064 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-92: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,064 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-92: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-85: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-85: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0; [2020-11-30 02:23:15,065 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-123: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-86: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-86: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-124: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-125: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,066 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-89: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,067 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-89: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,067 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-90: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,067 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-90: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,067 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-91: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,068 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-91: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,068 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-92: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,068 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-92: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,068 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-104: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-30 02:23:15,069 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-104: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,069 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-144: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,070 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-107: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,070 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-107: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,070 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-147: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,070 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-113: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-30 02:23:15,071 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-113: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,071 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-153: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,071 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-116: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,071 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-116: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-154: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-117: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-117: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-155: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-118: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,073 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-118: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,074 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-156: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,074 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-119: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,075 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-119: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,075 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-159: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,075 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-160: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,075 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-161: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,076 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-162: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,076 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-136: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,076 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-136: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,076 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-144: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,076 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-144: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,077 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-175: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,077 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-139: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,077 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-139: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,077 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,079 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-178: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,079 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,080 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-150: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,080 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-150: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,080 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-145: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,080 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-145: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,081 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-146: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,081 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-146: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,081 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-184: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,081 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-147: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,082 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-147: assume !(0 != ~__CS_ret~0 % 256);pop_#res := 0; [2020-11-30 02:23:15,082 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-148: assume 0 != ~__CS_ret~0 % 256;pop_#res := 0; [2020-11-30 02:23:15,082 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-148: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,082 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-187: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,082 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-188: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,083 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-151: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,083 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-151: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,083 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-189: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,083 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-152: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,084 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-152: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,084 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-190: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet34 && __CS_cs_#t~nondet34 <= 2147483647; [2020-11-30 02:23:15,084 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-153: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,084 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-153: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,084 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-154: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,085 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-154: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,085 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-166: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-30 02:23:15,085 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-166: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,085 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-169: assume 0 != ~__CS_ret~0 % 256;get_top_#res := 0; [2020-11-30 02:23:15,085 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-169: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,086 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-175: assume 0 != ~__CS_ret~0 % 256;push_#res := 0; [2020-11-30 02:23:15,086 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-175: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,086 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-178: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,086 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-178: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,087 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-179: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,087 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-179: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,087 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-180: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,087 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-180: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,087 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-181: assume 0 != ~__CS_ret~0 % 256; [2020-11-30 02:23:15,088 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-181: assume !(0 != ~__CS_ret~0 % 256); [2020-11-30 02:23:15,088 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-194: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,088 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-194: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,088 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-36: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,092 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-36: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,093 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-38: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,094 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-45: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,095 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-45: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,095 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-47: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,095 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1151: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,095 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1152: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,096 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-63: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,097 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-63: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,097 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-65: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,097 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-66: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,097 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-66: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,107 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-68: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,107 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-69: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,108 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-69: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,109 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-71: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,110 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-72: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,110 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-72: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,110 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-74: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,110 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-81: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,110 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-81: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,111 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-83: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,111 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-84: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,111 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-84: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,111 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-246: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,111 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-246: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,124 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-86: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,125 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-87: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,125 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-87: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,125 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-89: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,126 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-90: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,126 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-90: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,126 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-252: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,126 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-252: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,126 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-92: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,127 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-126: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,127 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-126: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,127 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-128: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,127 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-296: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,127 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-296: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,128 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-135: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,128 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-135: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,128 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-137: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,128 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-153: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,128 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-153: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,128 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-155: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,129 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-162: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,129 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-162: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,129 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-164: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,129 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-165: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,129 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-165: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,130 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-167: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,130 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-168: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,130 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-168: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,130 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-170: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,130 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-171: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,131 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-171: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,131 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-173: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,131 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-222: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,131 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-222: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,131 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-224: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,132 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-231: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,132 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-231: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,132 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-233: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,132 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-249: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,132 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-249: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,133 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-251: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,133 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-252: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,133 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-252: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,133 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-254: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,133 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-255: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,133 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-255: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,134 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-257: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,134 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-258: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,134 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-258: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,134 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-260: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,134 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-267: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,135 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-267: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,135 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-269: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,135 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-270: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,135 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-270: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,135 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-272: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,136 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-273: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,136 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-273: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,136 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-275: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,136 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-276: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,136 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-276: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,137 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-278: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,137 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-312: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,137 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-312: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,137 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-314: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,137 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-321: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,137 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-321: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,138 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-323: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,138 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-339: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,138 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-339: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,138 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-341: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,138 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-348: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,139 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-348: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-350: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-351: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-351: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-353: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,140 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-354: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,141 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-354: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,141 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-356: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,141 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-357: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,141 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-357: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,141 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-359: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,142 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-408: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,142 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-408: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,142 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-410: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,142 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-417: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,142 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-417: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,143 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-419: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,143 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-435: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,143 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-435: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,143 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-437: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,143 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-438: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,143 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-438: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,144 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-440: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,144 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-441: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,144 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-441: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,144 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-443: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,144 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-444: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,145 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-444: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,145 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-446: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,150 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-453: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,150 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-453: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,151 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-455: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,151 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-456: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,151 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-456: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,151 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-458: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,151 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-459: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,152 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-459: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,152 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-461: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,152 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-462: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,152 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-462: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,152 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-464: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,154 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-498: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,154 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-498: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,154 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-500: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,154 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-507: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,159 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-507: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,160 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-509: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,160 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-525: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,160 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-525: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,160 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-527: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,160 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-534: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,161 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-534: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,161 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-536: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,161 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-537: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,161 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-537: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,161 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-539: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,162 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-540: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,162 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-540: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,162 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-542: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,162 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-543: assume 0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite35 := ~__CS_ret_PREEMPTED~0 % 256; [2020-11-30 02:23:15,162 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-543: assume !(0 != __CS_cs_#t~nondet34 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite35 := ~__CS_ret~0 % 256; [2020-11-30 02:23:15,162 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-545: ~__CS_ret~0 := __CS_cs_#t~ite35;havoc __CS_cs_#t~ite35;havoc __CS_cs_#t~nondet34; [2020-11-30 02:23:15,163 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,163 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##384: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,163 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,163 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,163 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##449: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##450: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,164 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,165 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,165 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,165 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##663: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,165 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##641: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,165 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,166 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,168 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,169 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##772: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,169 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##728: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,169 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##727: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,169 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##751: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,169 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##750: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,170 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##764: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,170 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##706: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,170 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##707: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,170 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##713: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,170 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##714: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,171 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##896: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,171 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##895: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,171 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,171 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,171 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1406: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,171 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1407: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,172 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-2: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,172 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-5: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,172 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-8: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 2 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:23:15,174 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1492: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,175 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1493: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,175 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1485: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,175 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1486: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,175 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1471: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,175 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1472: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,176 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1448: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,176 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1449: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,176 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##975: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,176 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##974: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,176 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##982: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,176 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##981: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,177 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##937: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,177 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##938: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,177 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,177 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,177 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,177 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1384: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:15,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1385: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume !(0 == assume_abort_if_not_~cond); [2020-11-30 02:23:15,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume 0 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:23:56,918 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:23:56,919 INFO L298 CfgBuilder]: Removed 936 assume(true) statements. [2020-11-30 02:23:56,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:23:56 BoogieIcfgContainer [2020-11-30 02:23:56,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:23:56,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:23:56,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:23:56,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:23:56,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:23:06" (1/3) ... [2020-11-30 02:23:56,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5338468d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:23:56, skipping insertion in model container [2020-11-30 02:23:56,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:23:07" (2/3) ... [2020-11-30 02:23:56,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5338468d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:23:56, skipping insertion in model container [2020-11-30 02:23:56,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:23:56" (3/3) ... [2020-11-30 02:23:56,936 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_stack-2.i [2020-11-30 02:23:56,947 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:23:56,953 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:23:56,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:23:57,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:23:57,001 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:23:57,001 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:23:57,002 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:23:57,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:23:57,002 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:23:57,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:23:57,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:23:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-11-30 02:23:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 02:23:57,029 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:23:57,030 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:23:57,031 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:23:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:23:57,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1598379662, now seen corresponding path program 1 times [2020-11-30 02:23:57,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:23:57,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330751384] [2020-11-30 02:23:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:23:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:23:57,697 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 02:23:57,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330751384] [2020-11-30 02:23:57,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:23:57,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:23:57,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560863575] [2020-11-30 02:23:57,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:23:57,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:23:57,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:23:57,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:23:57,734 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 4 states. [2020-11-30 02:24:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:24:03,221 INFO L93 Difference]: Finished difference Result 191 states and 325 transitions. [2020-11-30 02:24:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:24:03,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-30 02:24:03,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:24:03,252 INFO L225 Difference]: With dead ends: 191 [2020-11-30 02:24:03,252 INFO L226 Difference]: Without dead ends: 176 [2020-11-30 02:24:03,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:24:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-11-30 02:24:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2020-11-30 02:24:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-30 02:24:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 291 transitions. [2020-11-30 02:24:03,330 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 291 transitions. Word has length 10 [2020-11-30 02:24:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:24:03,331 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 291 transitions. [2020-11-30 02:24:03,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:24:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 291 transitions. [2020-11-30 02:24:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 02:24:03,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:24:03,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:24:03,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:24:03,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:24:03,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:24:03,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1077241278, now seen corresponding path program 1 times [2020-11-30 02:24:03,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:24:03,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762069774] [2020-11-30 02:24:03,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:24:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:24:03,736 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 02:24:03,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762069774] [2020-11-30 02:24:03,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:24:03,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:24:03,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146656238] [2020-11-30 02:24:03,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:24:03,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:24:03,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:24:03,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:24:03,740 INFO L87 Difference]: Start difference. First operand 176 states and 291 transitions. Second operand 4 states. [2020-11-30 02:24:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:24:07,838 INFO L93 Difference]: Finished difference Result 255 states and 415 transitions. [2020-11-30 02:24:07,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:24:07,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-30 02:24:07,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:24:07,848 INFO L225 Difference]: With dead ends: 255 [2020-11-30 02:24:07,851 INFO L226 Difference]: Without dead ends: 223 [2020-11-30 02:24:07,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:24:07,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-11-30 02:24:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 200. [2020-11-30 02:24:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-11-30 02:24:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 336 transitions. [2020-11-30 02:24:07,880 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 336 transitions. Word has length 12 [2020-11-30 02:24:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:24:07,881 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 336 transitions. [2020-11-30 02:24:07,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:24:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 336 transitions. [2020-11-30 02:24:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 02:24:07,882 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:24:07,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:24:07,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:24:07,883 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:24:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:24:07,884 INFO L82 PathProgramCache]: Analyzing trace with hash 2002504627, now seen corresponding path program 1 times [2020-11-30 02:24:07,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:24:07,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114438740] [2020-11-30 02:24:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:24:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:24:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:24:08,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114438740] [2020-11-30 02:24:08,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:24:08,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:24:08,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190213242] [2020-11-30 02:24:08,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:24:08,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:24:08,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:24:08,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:24:08,110 INFO L87 Difference]: Start difference. First operand 200 states and 336 transitions. Second operand 4 states. [2020-11-30 02:24:17,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:24:17,229 INFO L93 Difference]: Finished difference Result 284 states and 454 transitions. [2020-11-30 02:24:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:24:17,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-30 02:24:17,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:24:17,235 INFO L225 Difference]: With dead ends: 284 [2020-11-30 02:24:17,235 INFO L226 Difference]: Without dead ends: 200 [2020-11-30 02:24:17,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:24:17,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-11-30 02:24:17,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 173. [2020-11-30 02:24:17,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-30 02:24:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 284 transitions. [2020-11-30 02:24:17,263 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 284 transitions. Word has length 12 [2020-11-30 02:24:17,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:24:17,263 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 284 transitions. [2020-11-30 02:24:17,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:24:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 284 transitions. [2020-11-30 02:24:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 02:24:17,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:24:17,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:24:17,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 02:24:17,266 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:24:17,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:24:17,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1128125917, now seen corresponding path program 1 times [2020-11-30 02:24:17,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:24:17,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543867451] [2020-11-30 02:24:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:24:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:24:32,025 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2020-11-30 02:24:32,415 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 61 [2020-11-30 02:24:32,731 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-11-30 02:24:32,754 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 02:24:32,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543867451] [2020-11-30 02:24:32,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:24:32,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 02:24:32,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400369529] [2020-11-30 02:24:32,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:24:32,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:24:32,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:24:32,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:24:32,759 INFO L87 Difference]: Start difference. First operand 173 states and 284 transitions. Second operand 6 states. [2020-11-30 02:24:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:24:45,828 INFO L93 Difference]: Finished difference Result 249 states and 387 transitions. [2020-11-30 02:24:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:24:45,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-11-30 02:24:45,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:24:45,831 INFO L225 Difference]: With dead ends: 249 [2020-11-30 02:24:45,831 INFO L226 Difference]: Without dead ends: 244 [2020-11-30 02:24:45,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:24:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-30 02:24:45,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 175. [2020-11-30 02:24:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-11-30 02:24:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 286 transitions. [2020-11-30 02:24:45,859 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 286 transitions. Word has length 12 [2020-11-30 02:24:45,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:24:45,859 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 286 transitions. [2020-11-30 02:24:45,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:24:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 286 transitions. [2020-11-30 02:24:45,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 02:24:45,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:24:45,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:24:45,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 02:24:45,862 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:24:45,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:24:45,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2019524143, now seen corresponding path program 1 times [2020-11-30 02:24:45,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:24:45,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40438808] [2020-11-30 02:24:45,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:24:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:24:47,300 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 02:24:47,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40438808] [2020-11-30 02:24:47,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:24:47,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:24:47,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330229471] [2020-11-30 02:24:47,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:24:47,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:24:47,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:24:47,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:24:47,302 INFO L87 Difference]: Start difference. First operand 175 states and 286 transitions. Second operand 5 states. [2020-11-30 02:24:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:24:53,916 INFO L93 Difference]: Finished difference Result 222 states and 343 transitions. [2020-11-30 02:24:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:24:53,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-11-30 02:24:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:24:53,923 INFO L225 Difference]: With dead ends: 222 [2020-11-30 02:24:53,924 INFO L226 Difference]: Without dead ends: 216 [2020-11-30 02:24:53,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:24:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-11-30 02:24:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 175. [2020-11-30 02:24:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-11-30 02:24:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 285 transitions. [2020-11-30 02:24:53,953 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 285 transitions. Word has length 14 [2020-11-30 02:24:53,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:24:53,954 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 285 transitions. [2020-11-30 02:24:53,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:24:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 285 transitions. [2020-11-30 02:24:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 02:24:53,956 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:24:53,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:24:53,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 02:24:53,957 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:24:53,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:24:53,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1060221762, now seen corresponding path program 1 times [2020-11-30 02:24:53,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:24:53,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650473519] [2020-11-30 02:24:53,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:24:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:24:55,263 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 02:24:55,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650473519] [2020-11-30 02:24:55,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:24:55,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:24:55,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582537733] [2020-11-30 02:24:55,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:24:55,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:24:55,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:24:55,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:24:55,265 INFO L87 Difference]: Start difference. First operand 175 states and 285 transitions. Second operand 5 states. [2020-11-30 02:24:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:24:57,181 INFO L93 Difference]: Finished difference Result 244 states and 384 transitions. [2020-11-30 02:24:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:24:57,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-11-30 02:24:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:24:57,186 INFO L225 Difference]: With dead ends: 244 [2020-11-30 02:24:57,186 INFO L226 Difference]: Without dead ends: 193 [2020-11-30 02:24:57,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:24:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-11-30 02:24:57,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 161. [2020-11-30 02:24:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-11-30 02:24:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 258 transitions. [2020-11-30 02:24:57,224 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 258 transitions. Word has length 14 [2020-11-30 02:24:57,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:24:57,224 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 258 transitions. [2020-11-30 02:24:57,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:24:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 258 transitions. [2020-11-30 02:24:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 02:24:57,233 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:24:57,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:24:57,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 02:24:57,234 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:24:57,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:24:57,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1266940376, now seen corresponding path program 1 times [2020-11-30 02:24:57,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:24:57,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706101445] [2020-11-30 02:24:57,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:24:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:00,439 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2020-11-30 02:25:00,634 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 02:25:00,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706101445] [2020-11-30 02:25:00,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:00,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-30 02:25:00,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005405953] [2020-11-30 02:25:00,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:25:00,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:00,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:25:00,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-11-30 02:25:00,636 INFO L87 Difference]: Start difference. First operand 161 states and 258 transitions. Second operand 9 states. [2020-11-30 02:25:04,503 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-11-30 02:25:05,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:05,892 INFO L93 Difference]: Finished difference Result 264 states and 398 transitions. [2020-11-30 02:25:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 02:25:05,893 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-30 02:25:05,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:05,895 INFO L225 Difference]: With dead ends: 264 [2020-11-30 02:25:05,895 INFO L226 Difference]: Without dead ends: 257 [2020-11-30 02:25:05,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:25:05,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-11-30 02:25:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 169. [2020-11-30 02:25:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-11-30 02:25:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 270 transitions. [2020-11-30 02:25:05,920 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 270 transitions. Word has length 17 [2020-11-30 02:25:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:05,920 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 270 transitions. [2020-11-30 02:25:05,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:25:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 270 transitions. [2020-11-30 02:25:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 02:25:05,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:05,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:05,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 02:25:05,922 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:25:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:05,923 INFO L82 PathProgramCache]: Analyzing trace with hash 424588016, now seen corresponding path program 1 times [2020-11-30 02:25:05,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:05,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39117818] [2020-11-30 02:25:05,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:15,058 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2020-11-30 02:25:15,455 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2020-11-30 02:25:15,632 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-11-30 02:25:15,800 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-11-30 02:25:16,394 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 62 [2020-11-30 02:25:16,721 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-11-30 02:25:16,751 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 02:25:16,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39117818] [2020-11-30 02:25:16,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:16,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-30 02:25:16,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482720365] [2020-11-30 02:25:16,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:25:16,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:16,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:25:16,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-30 02:25:16,754 INFO L87 Difference]: Start difference. First operand 169 states and 270 transitions. Second operand 9 states. [2020-11-30 02:25:22,692 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-11-30 02:25:23,206 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-11-30 02:25:23,646 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-30 02:25:24,253 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-11-30 02:25:24,889 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-11-30 02:25:27,136 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2020-11-30 02:25:28,190 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-11-30 02:25:28,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:28,744 INFO L93 Difference]: Finished difference Result 269 states and 398 transitions. [2020-11-30 02:25:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 02:25:28,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-30 02:25:28,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:28,749 INFO L225 Difference]: With dead ends: 269 [2020-11-30 02:25:28,749 INFO L226 Difference]: Without dead ends: 262 [2020-11-30 02:25:28,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-11-30 02:25:28,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-11-30 02:25:28,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2020-11-30 02:25:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-30 02:25:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 276 transitions. [2020-11-30 02:25:28,788 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 276 transitions. Word has length 17 [2020-11-30 02:25:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:28,788 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 276 transitions. [2020-11-30 02:25:28,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:25:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 276 transitions. [2020-11-30 02:25:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 02:25:28,789 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:28,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:28,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 02:25:28,790 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:25:28,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:28,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1077707475, now seen corresponding path program 1 times [2020-11-30 02:25:28,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:28,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505701956] [2020-11-30 02:25:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:36,327 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2020-11-30 02:25:36,649 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 55 [2020-11-30 02:25:36,847 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2020-11-30 02:25:37,251 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-11-30 02:25:37,727 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2020-11-30 02:25:37,891 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-11-30 02:25:37,912 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 02:25:37,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505701956] [2020-11-30 02:25:37,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:37,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-30 02:25:37,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323932448] [2020-11-30 02:25:37,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:25:37,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:37,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:25:37,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-30 02:25:37,915 INFO L87 Difference]: Start difference. First operand 174 states and 276 transitions. Second operand 9 states. [2020-11-30 02:25:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:45,608 INFO L93 Difference]: Finished difference Result 230 states and 344 transitions. [2020-11-30 02:25:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:25:45,610 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-30 02:25:45,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:45,612 INFO L225 Difference]: With dead ends: 230 [2020-11-30 02:25:45,612 INFO L226 Difference]: Without dead ends: 223 [2020-11-30 02:25:45,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2020-11-30 02:25:45,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-11-30 02:25:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 182. [2020-11-30 02:25:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-30 02:25:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 286 transitions. [2020-11-30 02:25:45,649 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 286 transitions. Word has length 17 [2020-11-30 02:25:45,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:45,650 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 286 transitions. [2020-11-30 02:25:45,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:25:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2020-11-30 02:25:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 02:25:45,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:45,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:45,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 02:25:45,651 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:25:45,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:45,652 INFO L82 PathProgramCache]: Analyzing trace with hash 554989325, now seen corresponding path program 1 times [2020-11-30 02:25:45,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:45,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599202995] [2020-11-30 02:25:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:45,765 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 02:25:45,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599202995] [2020-11-30 02:25:45,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:45,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:25:45,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896315092] [2020-11-30 02:25:45,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:45,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:45,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:45,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:45,767 INFO L87 Difference]: Start difference. First operand 182 states and 286 transitions. Second operand 3 states. [2020-11-30 02:25:45,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:45,951 INFO L93 Difference]: Finished difference Result 354 states and 544 transitions. [2020-11-30 02:25:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:45,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-30 02:25:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:45,956 INFO L225 Difference]: With dead ends: 354 [2020-11-30 02:25:45,956 INFO L226 Difference]: Without dead ends: 268 [2020-11-30 02:25:45,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:45,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-11-30 02:25:45,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 178. [2020-11-30 02:25:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-30 02:25:45,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 277 transitions. [2020-11-30 02:25:45,998 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 277 transitions. Word has length 18 [2020-11-30 02:25:45,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:45,998 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 277 transitions. [2020-11-30 02:25:45,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 277 transitions. [2020-11-30 02:25:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 02:25:45,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:46,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:46,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 02:25:46,000 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:25:46,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash 738745710, now seen corresponding path program 1 times [2020-11-30 02:25:46,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:46,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364460413] [2020-11-30 02:25:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:51,617 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 02:25:51,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364460413] [2020-11-30 02:25:51,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:51,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-30 02:25:51,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925506938] [2020-11-30 02:25:51,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 02:25:51,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:51,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 02:25:51,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:25:51,620 INFO L87 Difference]: Start difference. First operand 178 states and 277 transitions. Second operand 10 states. [2020-11-30 02:25:58,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:58,640 INFO L93 Difference]: Finished difference Result 325 states and 492 transitions. [2020-11-30 02:25:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:25:58,641 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2020-11-30 02:25:58,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:58,644 INFO L225 Difference]: With dead ends: 325 [2020-11-30 02:25:58,644 INFO L226 Difference]: Without dead ends: 318 [2020-11-30 02:25:58,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:25:58,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-30 02:25:58,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 188. [2020-11-30 02:25:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-30 02:25:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 289 transitions. [2020-11-30 02:25:58,690 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 289 transitions. Word has length 20 [2020-11-30 02:25:58,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:58,690 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 289 transitions. [2020-11-30 02:25:58,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 02:25:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 289 transitions. [2020-11-30 02:25:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 02:25:58,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:58,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:58,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 02:25:58,692 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:25:58,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash -768244729, now seen corresponding path program 1 times [2020-11-30 02:25:58,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:58,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396084522] [2020-11-30 02:25:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:26:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:26:05,745 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2020-11-30 02:26:06,334 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-11-30 02:26:06,587 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-11-30 02:26:07,057 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-11-30 02:26:07,081 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 02:26:07,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396084522] [2020-11-30 02:26:07,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:26:07,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 02:26:07,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236473804] [2020-11-30 02:26:07,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:26:07,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:26:07,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:26:07,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:26:07,084 INFO L87 Difference]: Start difference. First operand 188 states and 289 transitions. Second operand 7 states. [2020-11-30 02:26:14,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:26:14,060 INFO L93 Difference]: Finished difference Result 274 states and 398 transitions. [2020-11-30 02:26:14,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:26:14,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-11-30 02:26:14,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:26:14,064 INFO L225 Difference]: With dead ends: 274 [2020-11-30 02:26:14,064 INFO L226 Difference]: Without dead ends: 269 [2020-11-30 02:26:14,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:26:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-11-30 02:26:14,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 194. [2020-11-30 02:26:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-11-30 02:26:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 297 transitions. [2020-11-30 02:26:14,106 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 297 transitions. Word has length 20 [2020-11-30 02:26:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:26:14,106 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 297 transitions. [2020-11-30 02:26:14,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:26:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 297 transitions. [2020-11-30 02:26:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 02:26:14,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:26:14,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:26:14,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 02:26:14,108 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:26:14,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:26:14,109 INFO L82 PathProgramCache]: Analyzing trace with hash -806382154, now seen corresponding path program 1 times [2020-11-30 02:26:14,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:26:14,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709789223] [2020-11-30 02:26:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:26:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:26:14,234 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 02:26:14,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709789223] [2020-11-30 02:26:14,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:26:14,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:26:14,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645104106] [2020-11-30 02:26:14,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:26:14,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:26:14,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:26:14,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:26:14,236 INFO L87 Difference]: Start difference. First operand 194 states and 297 transitions. Second operand 4 states. [2020-11-30 02:26:15,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:26:15,303 INFO L93 Difference]: Finished difference Result 288 states and 430 transitions. [2020-11-30 02:26:15,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:26:15,305 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-30 02:26:15,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:26:15,307 INFO L225 Difference]: With dead ends: 288 [2020-11-30 02:26:15,307 INFO L226 Difference]: Without dead ends: 166 [2020-11-30 02:26:15,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:26:15,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-11-30 02:26:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 137. [2020-11-30 02:26:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-30 02:26:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-11-30 02:26:15,344 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 22 [2020-11-30 02:26:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:26:15,344 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-11-30 02:26:15,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:26:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-11-30 02:26:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 02:26:15,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:26:15,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:26:15,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 02:26:15,347 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:26:15,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:26:15,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1866121058, now seen corresponding path program 1 times [2020-11-30 02:26:15,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:26:15,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56206455] [2020-11-30 02:26:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:26:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:26:15,820 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 02:26:15,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56206455] [2020-11-30 02:26:15,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:26:15,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 02:26:15,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325656208] [2020-11-30 02:26:15,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:26:15,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:26:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:26:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:26:15,822 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 6 states. [2020-11-30 02:26:20,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:26:20,412 INFO L93 Difference]: Finished difference Result 180 states and 252 transitions. [2020-11-30 02:26:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:26:20,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-11-30 02:26:20,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:26:20,415 INFO L225 Difference]: With dead ends: 180 [2020-11-30 02:26:20,416 INFO L226 Difference]: Without dead ends: 149 [2020-11-30 02:26:20,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:26:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-11-30 02:26:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 137. [2020-11-30 02:26:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-30 02:26:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-11-30 02:26:20,455 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 23 [2020-11-30 02:26:20,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:26:20,456 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-11-30 02:26:20,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:26:20,457 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-11-30 02:26:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 02:26:20,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:26:20,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:26:20,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 02:26:20,461 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:26:20,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:26:20,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1162147841, now seen corresponding path program 1 times [2020-11-30 02:26:20,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:26:20,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438619413] [2020-11-30 02:26:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:26:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:26:21,565 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 02:26:21,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438619413] [2020-11-30 02:26:21,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:26:21,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 02:26:21,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302139025] [2020-11-30 02:26:21,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:26:21,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:26:21,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:26:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:26:21,567 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 6 states. [2020-11-30 02:26:28,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:26:28,767 INFO L93 Difference]: Finished difference Result 166 states and 237 transitions. [2020-11-30 02:26:28,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:26:28,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-11-30 02:26:28,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:26:28,771 INFO L225 Difference]: With dead ends: 166 [2020-11-30 02:26:28,771 INFO L226 Difference]: Without dead ends: 101 [2020-11-30 02:26:28,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:26:28,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-30 02:26:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-11-30 02:26:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-30 02:26:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2020-11-30 02:26:28,802 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 23 [2020-11-30 02:26:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:26:28,803 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2020-11-30 02:26:28,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:26:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2020-11-30 02:26:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 02:26:28,805 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:26:28,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:26:28,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 02:26:28,806 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:26:28,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:26:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1573104856, now seen corresponding path program 1 times [2020-11-30 02:26:28,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:26:28,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342015869] [2020-11-30 02:26:28,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:26:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:26:40,852 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 90 [2020-11-30 02:26:41,487 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2020-11-30 02:26:41,875 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2020-11-30 02:26:42,229 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-11-30 02:26:42,480 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-11-30 02:26:42,813 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-11-30 02:26:43,079 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2020-11-30 02:26:43,314 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-11-30 02:26:43,348 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 02:26:43,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342015869] [2020-11-30 02:26:43,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:26:43,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-30 02:26:43,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261954439] [2020-11-30 02:26:43,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 02:26:43,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:26:43,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 02:26:43,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-30 02:26:43,351 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand 11 states. [2020-11-30 02:26:52,783 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2020-11-30 02:26:53,516 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-11-30 02:26:53,974 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2020-11-30 02:26:57,650 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2020-11-30 02:27:03,500 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2020-11-30 02:27:04,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:27:04,656 INFO L93 Difference]: Finished difference Result 155 states and 219 transitions. [2020-11-30 02:27:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:27:04,658 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-11-30 02:27:04,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:27:04,660 INFO L225 Difference]: With dead ends: 155 [2020-11-30 02:27:04,660 INFO L226 Difference]: Without dead ends: 150 [2020-11-30 02:27:04,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-11-30 02:27:04,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-11-30 02:27:04,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 103. [2020-11-30 02:27:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-30 02:27:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-11-30 02:27:04,702 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 23 [2020-11-30 02:27:04,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:27:04,703 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-11-30 02:27:04,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 02:27:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-11-30 02:27:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 02:27:04,704 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:27:04,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:27:04,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 02:27:04,704 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:27:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:27:04,705 INFO L82 PathProgramCache]: Analyzing trace with hash 684611009, now seen corresponding path program 1 times [2020-11-30 02:27:04,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:27:04,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104034686] [2020-11-30 02:27:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:27:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:27:04,824 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 02:27:04,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104034686] [2020-11-30 02:27:04,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:27:04,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:27:04,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872542054] [2020-11-30 02:27:04,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:27:04,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:27:04,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:27:04,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:27:04,826 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-11-30 02:27:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:27:04,901 INFO L93 Difference]: Finished difference Result 129 states and 181 transitions. [2020-11-30 02:27:04,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:27:04,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-30 02:27:04,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:27:04,905 INFO L225 Difference]: With dead ends: 129 [2020-11-30 02:27:04,905 INFO L226 Difference]: Without dead ends: 122 [2020-11-30 02:27:04,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:27:04,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-11-30 02:27:04,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 104. [2020-11-30 02:27:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-30 02:27:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2020-11-30 02:27:04,940 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 147 transitions. Word has length 23 [2020-11-30 02:27:04,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:27:04,943 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 147 transitions. [2020-11-30 02:27:04,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:27:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2020-11-30 02:27:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:27:04,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:27:04,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:27:04,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 02:27:04,944 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:27:04,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:27:04,945 INFO L82 PathProgramCache]: Analyzing trace with hash 710634822, now seen corresponding path program 1 times [2020-11-30 02:27:04,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:27:04,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324978499] [2020-11-30 02:27:04,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:27:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:27:12,139 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-11-30 02:27:12,313 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 02:27:12,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324978499] [2020-11-30 02:27:12,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:27:12,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 02:27:12,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134182224] [2020-11-30 02:27:12,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:27:12,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:27:12,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:27:12,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:27:12,315 INFO L87 Difference]: Start difference. First operand 104 states and 147 transitions. Second operand 8 states. [2020-11-30 02:27:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:27:19,564 INFO L93 Difference]: Finished difference Result 177 states and 248 transitions. [2020-11-30 02:27:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:27:19,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-30 02:27:19,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:27:19,569 INFO L225 Difference]: With dead ends: 177 [2020-11-30 02:27:19,569 INFO L226 Difference]: Without dead ends: 146 [2020-11-30 02:27:19,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:27:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-30 02:27:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 92. [2020-11-30 02:27:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-30 02:27:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 132 transitions. [2020-11-30 02:27:19,606 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 132 transitions. Word has length 24 [2020-11-30 02:27:19,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:27:19,606 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 132 transitions. [2020-11-30 02:27:19,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:27:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2020-11-30 02:27:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:27:19,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:27:19,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:27:19,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 02:27:19,608 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:27:19,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:27:19,608 INFO L82 PathProgramCache]: Analyzing trace with hash -74311087, now seen corresponding path program 1 times [2020-11-30 02:27:19,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:27:19,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485873898] [2020-11-30 02:27:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:27:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:27:27,761 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-11-30 02:27:28,120 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-11-30 02:27:28,388 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2020-11-30 02:27:28,555 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2020-11-30 02:27:28,732 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 20 [2020-11-30 02:27:28,880 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 02:27:28,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485873898] [2020-11-30 02:27:28,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:27:28,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-30 02:27:28,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130701960] [2020-11-30 02:27:28,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 02:27:28,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:27:28,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 02:27:28,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-11-30 02:27:28,882 INFO L87 Difference]: Start difference. First operand 92 states and 132 transitions. Second operand 11 states. [2020-11-30 02:27:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:27:33,395 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2020-11-30 02:27:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:27:33,396 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2020-11-30 02:27:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:27:33,397 INFO L225 Difference]: With dead ends: 136 [2020-11-30 02:27:33,397 INFO L226 Difference]: Without dead ends: 131 [2020-11-30 02:27:33,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2020-11-30 02:27:33,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-30 02:27:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 95. [2020-11-30 02:27:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-30 02:27:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2020-11-30 02:27:33,421 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 24 [2020-11-30 02:27:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:27:33,421 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2020-11-30 02:27:33,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 02:27:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2020-11-30 02:27:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 02:27:33,421 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:27:33,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:27:33,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 02:27:33,422 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:27:33,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:27:33,422 INFO L82 PathProgramCache]: Analyzing trace with hash 2025445491, now seen corresponding path program 1 times [2020-11-30 02:27:33,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:27:33,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899144129] [2020-11-30 02:27:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:27:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:27:35,680 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-11-30 02:27:35,795 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 02:27:35,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899144129] [2020-11-30 02:27:35,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:27:35,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 02:27:35,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029431513] [2020-11-30 02:27:35,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:27:35,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:27:35,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:27:35,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:27:35,797 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand 7 states. [2020-11-30 02:27:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:27:40,789 INFO L93 Difference]: Finished difference Result 137 states and 195 transitions. [2020-11-30 02:27:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:27:40,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-11-30 02:27:40,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:27:40,792 INFO L225 Difference]: With dead ends: 137 [2020-11-30 02:27:40,792 INFO L226 Difference]: Without dead ends: 106 [2020-11-30 02:27:40,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:27:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-30 02:27:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 81. [2020-11-30 02:27:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-30 02:27:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 120 transitions. [2020-11-30 02:27:40,818 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 120 transitions. Word has length 25 [2020-11-30 02:27:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:27:40,818 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 120 transitions. [2020-11-30 02:27:40,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:27:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2020-11-30 02:27:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 02:27:40,819 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:27:40,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:27:40,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 02:27:40,820 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:27:40,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:27:40,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1002823408, now seen corresponding path program 1 times [2020-11-30 02:27:40,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:27:40,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027114178] [2020-11-30 02:27:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:27:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:27:50,988 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2020-11-30 02:27:51,494 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-11-30 02:27:51,971 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 57 [2020-11-30 02:27:52,468 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2020-11-30 02:27:52,715 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2020-11-30 02:27:52,888 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-11-30 02:27:53,089 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 02:27:53,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027114178] [2020-11-30 02:27:53,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:27:53,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-30 02:27:53,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887818331] [2020-11-30 02:27:53,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-30 02:27:53,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:27:53,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-30 02:27:53,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-11-30 02:27:53,090 INFO L87 Difference]: Start difference. First operand 81 states and 120 transitions. Second operand 12 states. [2020-11-30 02:28:06,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:06,588 INFO L93 Difference]: Finished difference Result 158 states and 228 transitions. [2020-11-30 02:28:06,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:28:06,590 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 25 [2020-11-30 02:28:06,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:06,591 INFO L225 Difference]: With dead ends: 158 [2020-11-30 02:28:06,591 INFO L226 Difference]: Without dead ends: 153 [2020-11-30 02:28:06,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:28:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-11-30 02:28:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 81. [2020-11-30 02:28:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-30 02:28:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 120 transitions. [2020-11-30 02:28:06,619 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 120 transitions. Word has length 25 [2020-11-30 02:28:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:06,620 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 120 transitions. [2020-11-30 02:28:06,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-30 02:28:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2020-11-30 02:28:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 02:28:06,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:06,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:06,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 02:28:06,621 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:06,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:06,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1311468050, now seen corresponding path program 1 times [2020-11-30 02:28:06,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:28:06,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554848358] [2020-11-30 02:28:06,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:28:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:08,049 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-11-30 02:28:08,191 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-30 02:28:08,404 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 02:28:08,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554848358] [2020-11-30 02:28:08,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:28:08,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-30 02:28:08,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041185254] [2020-11-30 02:28:08,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 02:28:08,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:28:08,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 02:28:08,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:28:08,406 INFO L87 Difference]: Start difference. First operand 81 states and 120 transitions. Second operand 10 states. [2020-11-30 02:28:14,855 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-30 02:28:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:16,329 INFO L93 Difference]: Finished difference Result 155 states and 219 transitions. [2020-11-30 02:28:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 02:28:16,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-11-30 02:28:16,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:16,335 INFO L225 Difference]: With dead ends: 155 [2020-11-30 02:28:16,335 INFO L226 Difference]: Without dead ends: 148 [2020-11-30 02:28:16,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2020-11-30 02:28:16,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-11-30 02:28:16,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 97. [2020-11-30 02:28:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-30 02:28:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2020-11-30 02:28:16,374 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 25 [2020-11-30 02:28:16,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:16,375 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2020-11-30 02:28:16,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 02:28:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2020-11-30 02:28:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 02:28:16,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:16,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:16,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 02:28:16,376 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:16,377 INFO L82 PathProgramCache]: Analyzing trace with hash 2141146886, now seen corresponding path program 1 times [2020-11-30 02:28:16,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:28:16,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046979834] [2020-11-30 02:28:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:28:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:23,618 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2020-11-30 02:28:24,212 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 72 [2020-11-30 02:28:24,659 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2020-11-30 02:28:25,075 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2020-11-30 02:28:25,477 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 67 [2020-11-30 02:28:25,973 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2020-11-30 02:28:26,352 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2020-11-30 02:28:26,749 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-11-30 02:28:27,016 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2020-11-30 02:28:27,304 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2020-11-30 02:28:27,647 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2020-11-30 02:28:28,018 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2020-11-30 02:28:28,305 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-11-30 02:28:28,353 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 02:28:28,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046979834] [2020-11-30 02:28:28,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:28:28,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-30 02:28:28,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299663430] [2020-11-30 02:28:28,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-30 02:28:28,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:28:28,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-30 02:28:28,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-11-30 02:28:28,355 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand 16 states. [2020-11-30 02:28:37,378 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2020-11-30 02:28:37,935 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2020-11-30 02:28:38,725 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2020-11-30 02:28:39,132 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2020-11-30 02:28:39,884 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2020-11-30 02:28:40,682 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2020-11-30 02:28:41,337 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-11-30 02:28:42,417 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-11-30 02:28:43,037 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-11-30 02:28:43,719 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-11-30 02:28:45,150 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-11-30 02:28:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:28:45,914 INFO L93 Difference]: Finished difference Result 107 states and 149 transitions. [2020-11-30 02:28:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-30 02:28:45,917 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2020-11-30 02:28:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:28:45,918 INFO L225 Difference]: With dead ends: 107 [2020-11-30 02:28:45,918 INFO L226 Difference]: Without dead ends: 100 [2020-11-30 02:28:45,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2020-11-30 02:28:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-11-30 02:28:45,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2020-11-30 02:28:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-30 02:28:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2020-11-30 02:28:45,952 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 25 [2020-11-30 02:28:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:28:45,952 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2020-11-30 02:28:45,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-30 02:28:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2020-11-30 02:28:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 02:28:45,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:28:45,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:28:45,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 02:28:45,954 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:28:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:28:45,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1297724606, now seen corresponding path program 1 times [2020-11-30 02:28:45,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:28:45,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320351023] [2020-11-30 02:28:45,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:28:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:28:53,155 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 82 [2020-11-30 02:28:53,893 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 75 [2020-11-30 02:28:54,529 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 67 [2020-11-30 02:28:55,231 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-11-30 02:28:56,104 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 80 [2020-11-30 02:28:56,763 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 65 [2020-11-30 02:28:57,412 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-11-30 02:28:58,092 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 64 [2020-11-30 02:28:58,809 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 68 [2020-11-30 02:28:59,908 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 62 [2020-11-30 02:29:01,180 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 169 DAG size of output: 61 [2020-11-30 02:29:01,610 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2020-11-30 02:29:01,666 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 02:29:01,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320351023] [2020-11-30 02:29:01,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:29:01,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-30 02:29:01,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744745970] [2020-11-30 02:29:01,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-30 02:29:01,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:29:01,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-30 02:29:01,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-11-30 02:29:01,668 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand 15 states. [2020-11-30 02:29:10,008 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2020-11-30 02:29:10,687 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2020-11-30 02:29:11,589 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2020-11-30 02:29:12,054 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-11-30 02:29:13,079 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2020-11-30 02:29:14,887 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-11-30 02:29:15,924 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2020-11-30 02:29:16,194 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-30 02:29:16,812 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-11-30 02:29:18,230 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-11-30 02:29:19,940 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2020-11-30 02:29:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:29:21,715 INFO L93 Difference]: Finished difference Result 109 states and 153 transitions. [2020-11-30 02:29:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-30 02:29:21,718 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 25 [2020-11-30 02:29:21,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:29:21,719 INFO L225 Difference]: With dead ends: 109 [2020-11-30 02:29:21,719 INFO L226 Difference]: Without dead ends: 102 [2020-11-30 02:29:21,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2020-11-30 02:29:21,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-11-30 02:29:21,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-11-30 02:29:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-30 02:29:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2020-11-30 02:29:21,763 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 25 [2020-11-30 02:29:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:29:21,764 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2020-11-30 02:29:21,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-30 02:29:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2020-11-30 02:29:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 02:29:21,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:29:21,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:29:21,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 02:29:21,765 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:29:21,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:29:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash 135204234, now seen corresponding path program 1 times [2020-11-30 02:29:21,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:29:21,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33433252] [2020-11-30 02:29:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:29:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:29:42,720 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 113 [2020-11-30 02:29:44,519 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 273 DAG size of output: 123 [2020-11-30 02:29:45,814 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 220 DAG size of output: 110 [2020-11-30 02:29:47,157 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 219 DAG size of output: 109 [2020-11-30 02:29:48,436 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 217 DAG size of output: 106 [2020-11-30 02:29:49,952 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 247 DAG size of output: 114 [2020-11-30 02:29:51,521 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 253 DAG size of output: 125 [2020-11-30 02:29:53,086 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 239 DAG size of output: 118 [2020-11-30 02:29:54,629 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 238 DAG size of output: 107 [2020-11-30 02:29:56,198 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 233 DAG size of output: 104 [2020-11-30 02:29:58,082 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 240 DAG size of output: 105 [2020-11-30 02:29:59,722 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 243 DAG size of output: 97 [2020-11-30 02:30:00,277 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2020-11-30 02:30:00,617 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-11-30 02:30:00,869 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-11-30 02:30:01,108 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-11-30 02:30:01,200 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 02:30:01,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33433252] [2020-11-30 02:30:01,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:30:01,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-11-30 02:30:01,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409293068] [2020-11-30 02:30:01,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-30 02:30:01,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:30:01,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-30 02:30:01,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2020-11-30 02:30:01,202 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. Second operand 19 states. [2020-11-30 02:30:21,224 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 198 DAG size of output: 177 [2020-11-30 02:30:24,218 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 204 DAG size of output: 182 [2020-11-30 02:30:25,349 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-11-30 02:30:27,946 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 200 DAG size of output: 178 [2020-11-30 02:30:29,619 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 147 DAG size of output: 134 [2020-11-30 02:30:30,902 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-11-30 02:30:37,691 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 216 DAG size of output: 194 [2020-11-30 02:30:39,617 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 164 DAG size of output: 151 [2020-11-30 02:30:41,471 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-11-30 02:30:44,075 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2020-11-30 02:30:50,648 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2020-11-30 02:30:51,611 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-30 02:30:52,720 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2020-11-30 02:30:53,687 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2020-11-30 02:30:54,820 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2020-11-30 02:30:56,296 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2020-11-30 02:30:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:30:58,371 INFO L93 Difference]: Finished difference Result 190 states and 255 transitions. [2020-11-30 02:30:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-30 02:30:58,375 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 26 [2020-11-30 02:30:58,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:30:58,376 INFO L225 Difference]: With dead ends: 190 [2020-11-30 02:30:58,376 INFO L226 Difference]: Without dead ends: 183 [2020-11-30 02:30:58,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=234, Invalid=956, Unknown=0, NotChecked=0, Total=1190 [2020-11-30 02:30:58,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-11-30 02:30:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 110. [2020-11-30 02:30:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-30 02:30:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2020-11-30 02:30:58,442 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 26 [2020-11-30 02:30:58,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:30:58,443 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2020-11-30 02:30:58,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-30 02:30:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2020-11-30 02:30:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 02:30:58,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:30:58,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:30:58,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-30 02:30:58,444 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:30:58,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:30:58,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1188061321, now seen corresponding path program 1 times [2020-11-30 02:30:58,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:30:58,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730250115] [2020-11-30 02:30:58,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:31:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:31:05,129 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 15 [2020-11-30 02:31:05,253 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 02:31:05,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730250115] [2020-11-30 02:31:05,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:31:05,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:31:05,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242176162] [2020-11-30 02:31:05,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:31:05,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:31:05,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:31:05,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:31:05,255 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand 5 states. [2020-11-30 02:31:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:31:11,844 INFO L93 Difference]: Finished difference Result 186 states and 269 transitions. [2020-11-30 02:31:11,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:31:11,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-30 02:31:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:31:11,849 INFO L225 Difference]: With dead ends: 186 [2020-11-30 02:31:11,849 INFO L226 Difference]: Without dead ends: 131 [2020-11-30 02:31:11,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:31:11,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-30 02:31:11,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 115. [2020-11-30 02:31:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-30 02:31:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 162 transitions. [2020-11-30 02:31:11,907 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 162 transitions. Word has length 27 [2020-11-30 02:31:11,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:31:11,908 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 162 transitions. [2020-11-30 02:31:11,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:31:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2020-11-30 02:31:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 02:31:11,909 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:31:11,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:31:11,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-30 02:31:11,910 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:31:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:31:11,910 INFO L82 PathProgramCache]: Analyzing trace with hash -712751171, now seen corresponding path program 1 times [2020-11-30 02:31:11,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:31:11,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674047849] [2020-11-30 02:31:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:31:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:31:14,764 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 02:31:14,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674047849] [2020-11-30 02:31:14,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:31:14,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 02:31:14,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483146871] [2020-11-30 02:31:14,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:31:14,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:31:14,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:31:14,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:31:14,766 INFO L87 Difference]: Start difference. First operand 115 states and 162 transitions. Second operand 7 states. [2020-11-30 02:31:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:31:17,824 INFO L93 Difference]: Finished difference Result 174 states and 244 transitions. [2020-11-30 02:31:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:31:17,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-11-30 02:31:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:31:17,830 INFO L225 Difference]: With dead ends: 174 [2020-11-30 02:31:17,831 INFO L226 Difference]: Without dead ends: 167 [2020-11-30 02:31:17,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-30 02:31:17,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-30 02:31:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 121. [2020-11-30 02:31:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-11-30 02:31:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2020-11-30 02:31:17,904 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 28 [2020-11-30 02:31:17,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:31:17,904 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2020-11-30 02:31:17,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:31:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2020-11-30 02:31:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 02:31:17,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:31:17,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:31:17,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 02:31:17,906 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:31:17,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:31:17,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1555103531, now seen corresponding path program 1 times [2020-11-30 02:31:17,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:31:17,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876182328] [2020-11-30 02:31:17,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:31:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:31:31,512 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 173 DAG size of output: 100 [2020-11-30 02:31:33,351 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 200 DAG size of output: 92 [2020-11-30 02:31:34,123 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 64 [2020-11-30 02:31:34,859 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2020-11-30 02:31:35,973 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 178 DAG size of output: 79 [2020-11-30 02:31:37,113 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 181 DAG size of output: 75 [2020-11-30 02:31:37,773 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 52 [2020-11-30 02:31:38,413 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 56 [2020-11-30 02:31:39,983 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2020-11-30 02:31:41,285 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2020-11-30 02:31:41,888 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 48 [2020-11-30 02:31:41,959 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 02:31:41,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876182328] [2020-11-30 02:31:41,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:31:41,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-30 02:31:41,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129332693] [2020-11-30 02:31:41,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 02:31:41,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:31:41,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 02:31:41,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-11-30 02:31:41,961 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand 14 states. [2020-11-30 02:31:53,388 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 99 [2020-11-30 02:31:55,667 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 158 DAG size of output: 135 [2020-11-30 02:31:57,333 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 142 DAG size of output: 125 [2020-11-30 02:31:59,088 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2020-11-30 02:32:00,417 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 144 DAG size of output: 119 [2020-11-30 02:32:01,579 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2020-11-30 02:32:02,376 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-11-30 02:32:03,784 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2020-11-30 02:32:05,062 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 135 DAG size of output: 106 [2020-11-30 02:32:07,813 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 148 DAG size of output: 115 [2020-11-30 02:32:08,924 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-11-30 02:32:10,731 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-11-30 02:32:12,313 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2020-11-30 02:32:13,857 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-11-30 02:32:14,937 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2020-11-30 02:32:16,968 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2020-11-30 02:32:20,314 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2020-11-30 02:32:20,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:32:20,956 INFO L93 Difference]: Finished difference Result 149 states and 200 transitions. [2020-11-30 02:32:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-30 02:32:20,961 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2020-11-30 02:32:20,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:32:20,961 INFO L225 Difference]: With dead ends: 149 [2020-11-30 02:32:20,962 INFO L226 Difference]: Without dead ends: 142 [2020-11-30 02:32:20,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 32.8s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2020-11-30 02:32:20,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-30 02:32:21,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2020-11-30 02:32:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-30 02:32:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 179 transitions. [2020-11-30 02:32:21,018 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 179 transitions. Word has length 28 [2020-11-30 02:32:21,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:32:21,018 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 179 transitions. [2020-11-30 02:32:21,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 02:32:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2020-11-30 02:32:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 02:32:21,019 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:32:21,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:32:21,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-30 02:32:21,019 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:32:21,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:32:21,019 INFO L82 PathProgramCache]: Analyzing trace with hash 160472214, now seen corresponding path program 1 times [2020-11-30 02:32:21,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:32:21,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617880270] [2020-11-30 02:32:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:32:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:32:36,379 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 162 DAG size of output: 104 [2020-11-30 02:32:37,448 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 195 DAG size of output: 88 [2020-11-30 02:32:39,041 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 182 DAG size of output: 85 [2020-11-30 02:32:40,746 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 229 DAG size of output: 93 [2020-11-30 02:32:42,389 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 228 DAG size of output: 94 [2020-11-30 02:32:44,060 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 183 DAG size of output: 81 [2020-11-30 02:32:45,557 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 180 DAG size of output: 78 [2020-11-30 02:32:47,182 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 188 DAG size of output: 83 [2020-11-30 02:32:49,314 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 219 DAG size of output: 106 [2020-11-30 02:32:51,396 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 223 DAG size of output: 98 [2020-11-30 02:32:53,196 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 228 DAG size of output: 100 [2020-11-30 02:32:54,860 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 216 DAG size of output: 95 [2020-11-30 02:32:56,774 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 222 DAG size of output: 96 [2020-11-30 02:32:58,444 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2020-11-30 02:32:58,567 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 02:32:58,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617880270] [2020-11-30 02:32:58,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:32:58,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-11-30 02:32:58,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348968629] [2020-11-30 02:32:58,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-30 02:32:58,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:32:58,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-30 02:32:58,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2020-11-30 02:32:58,569 INFO L87 Difference]: Start difference. First operand 130 states and 179 transitions. Second operand 17 states. [2020-11-30 02:33:14,880 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2020-11-30 02:33:16,778 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-30 02:33:18,148 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-11-30 02:33:19,572 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2020-11-30 02:33:21,598 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-11-30 02:33:22,795 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-11-30 02:33:24,537 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2020-11-30 02:33:27,435 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-11-30 02:33:29,265 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-30 02:33:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:33:29,925 INFO L93 Difference]: Finished difference Result 156 states and 212 transitions. [2020-11-30 02:33:29,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-30 02:33:29,930 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2020-11-30 02:33:29,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:33:29,931 INFO L225 Difference]: With dead ends: 156 [2020-11-30 02:33:29,932 INFO L226 Difference]: Without dead ends: 146 [2020-11-30 02:33:29,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 32.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2020-11-30 02:33:29,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-30 02:33:29,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 138. [2020-11-30 02:33:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-30 02:33:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 188 transitions. [2020-11-30 02:33:29,990 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 188 transitions. Word has length 29 [2020-11-30 02:33:29,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:33:29,990 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 188 transitions. [2020-11-30 02:33:29,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-30 02:33:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2020-11-30 02:33:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 02:33:29,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:33:29,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:33:29,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-30 02:33:29,991 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:33:29,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:33:29,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1114495405, now seen corresponding path program 1 times [2020-11-30 02:33:29,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:33:29,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400917375] [2020-11-30 02:33:29,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:33:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:33:39,465 ERROR L253 erpolLogProxyWrapper]: Interpolant 24 not inductive [2020-11-30 02:33:39,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-30 02:33:39,479 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:343) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:343) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:231) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) 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 02:33:39,491 INFO L168 Benchmark]: Toolchain (without parser) took 633457.99 ms. Allocated memory was 86.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 51.1 MB in the beginning and 1.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 281.0 MB. Max. memory is 16.1 GB. [2020-11-30 02:33:39,491 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 42.4 MB in the beginning and 42.4 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:33:39,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.06 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 71.8 MB in the end (delta: -20.9 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:33:39,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 213.13 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 44.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 02:33:39,493 INFO L168 Benchmark]: Boogie Preprocessor took 275.02 ms. Allocated memory is still 104.9 MB. Free memory was 44.6 MB in the beginning and 56.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:33:39,493 INFO L168 Benchmark]: RCFGBuilder took 49103.26 ms. Allocated memory was 104.9 MB in the beginning and 476.1 MB in the end (delta: 371.2 MB). Free memory was 56.6 MB in the beginning and 280.3 MB in the end (delta: -223.7 MB). Peak memory consumption was 296.9 MB. Max. memory is 16.1 GB. [2020-11-30 02:33:39,494 INFO L168 Benchmark]: TraceAbstraction took 582566.07 ms. Allocated memory was 476.1 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 280.3 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 120.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:33:39,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 42.4 MB in the beginning and 42.4 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1288.06 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 71.8 MB in the end (delta: -20.9 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 213.13 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 44.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 275.02 ms. Allocated memory is still 104.9 MB. Free memory was 44.6 MB in the beginning and 56.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 49103.26 ms. Allocated memory was 104.9 MB in the beginning and 476.1 MB in the end (delta: 371.2 MB). Free memory was 56.6 MB in the beginning and 280.3 MB in the end (delta: -223.7 MB). Peak memory consumption was 296.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 582566.07 ms. Allocated memory was 476.1 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 280.3 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 120.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:33:42,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:33:42,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:33:42,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:33:42,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:33:42,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:33:42,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:33:42,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:33:42,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:33:42,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:33:42,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:33:42,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:33:42,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:33:42,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:33:42,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:33:42,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:33:42,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:33:42,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:33:42,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:33:42,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:33:42,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:33:42,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:33:42,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:33:42,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:33:42,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:33:42,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:33:42,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:33:42,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:33:42,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:33:42,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:33:42,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:33:42,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:33:42,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:33:43,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:33:43,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:33:43,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:33:43,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:33:43,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:33:43,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:33:43,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:33:43,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:33:43,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:33:43,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:33:43,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:33:43,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:33:43,094 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:33:43,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:33:43,095 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:33:43,095 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:33:43,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:33:43,096 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:33:43,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:33:43,100 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:33:43,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:33:43,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:33:43,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:33:43,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:33:43,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:33:43,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:33:43,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:33:43,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:33:43,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:33:43,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:33:43,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:33:43,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:33:43,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:33:43,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:33:43,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:33:43,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:33:43,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:33:43,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:33:43,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:33:43,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:33:43,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:33:43,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:33:43,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:33:43,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:33:43,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:33:43,111 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_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad235452093d4a125e0fa0473df9189ee1a07ad [2020-11-30 02:33:43,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:33:43,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:33:43,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:33:43,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:33:43,640 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:33:43,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2020-11-30 02:33:43,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/47c4d4bac/364d30f730f84ab99b0c5d8b0f742456/FLAGe671c0ffa [2020-11-30 02:33:44,585 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:33:44,585 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2020-11-30 02:33:44,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/47c4d4bac/364d30f730f84ab99b0c5d8b0f742456/FLAGe671c0ffa [2020-11-30 02:33:44,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/data/47c4d4bac/364d30f730f84ab99b0c5d8b0f742456 [2020-11-30 02:33:44,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:33:44,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:33:44,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:33:44,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:33:44,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:33:44,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:33:44" (1/1) ... [2020-11-30 02:33:44,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9bd3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:44, skipping insertion in model container [2020-11-30 02:33:44,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:33:44" (1/1) ... [2020-11-30 02:33:44,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:33:44,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:33:45,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:33:45,910 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:33:46,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:33:46,352 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:33:46,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46 WrapperNode [2020-11-30 02:33:46,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:33:46,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:33:46,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:33:46,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:33:46,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:46,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:46,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:33:46,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:33:46,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:33:46,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:33:46,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:46,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:46,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:46,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:47,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:47,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:47,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... [2020-11-30 02:33:47,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:33:47,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:33:47,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:33:47,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:33:47,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:33:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 02:33:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 02:33:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:33:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 02:33:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 02:33:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:33:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 02:33:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 02:33:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:33:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 02:33:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 02:33:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:33:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:33:47,611 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,616 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,641 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,643 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,646 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,652 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,670 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,672 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,723 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,728 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,741 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,746 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,749 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,750 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,805 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,808 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,813 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,814 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,816 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,819 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,820 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,821 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,832 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,844 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,848 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,850 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,852 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,853 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,869 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,871 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,875 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,876 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,877 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,879 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,880 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,881 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,887 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,889 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,892 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,893 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,894 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:47,895 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 02:33:59,243 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,244 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##202: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,244 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1282: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,244 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1283: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,244 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1275: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,244 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1276: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,245 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1261: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,245 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1262: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,245 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,245 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##253: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,245 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,245 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1238: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1239: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1224: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1225: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##217: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,246 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,247 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,247 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,247 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##239: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,247 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-14: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-17: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,249 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-23: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,249 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-24: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,249 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-25: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,249 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-26: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,249 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-29: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,250 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-30: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,250 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-31: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,250 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-32: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,250 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-45: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,251 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-48: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,251 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-12: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,251 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-12: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,251 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-15: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,251 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-15: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,252 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-54: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,252 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-57: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,252 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-58: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,252 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-21: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,253 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-21: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,253 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-59: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,253 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-22: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,253 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-22: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,253 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-60: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,254 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-23: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,254 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-23: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));pop_#res := 0bv32; [2020-11-30 02:33:59,254 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-24: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,254 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-24: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,255 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-27: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,255 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-27: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,255 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-28: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,255 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-28: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,256 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-29: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,256 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-29: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,256 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-30: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,256 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-30: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,257 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-42: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,257 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-42: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,257 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-48: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,257 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-48: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,258 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-79: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,258 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-42: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-30 02:33:59,258 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,258 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-82: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,258 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-45: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,259 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-45: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,259 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-88: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,259 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-51: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-30 02:33:59,259 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-51: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,260 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-89: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,260 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-90: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,260 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-91: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,260 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-54: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-54: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-55: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-55: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-56: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,261 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-56: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,262 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-94: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,262 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-57: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,262 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-57: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,262 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-95: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,263 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-96: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,263 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-97: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,263 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-110: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,263 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-74: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,263 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-74: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,264 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-113: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,264 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-77: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,264 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-77: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,264 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-119: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,265 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-83: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,265 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-83: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,265 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-84: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,265 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-84: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,266 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-122: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,266 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-92: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,266 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-92: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,266 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-85: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,267 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-85: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));pop_#res := 0bv32; [2020-11-30 02:33:59,267 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-123: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,267 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-86: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,267 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-86: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-124: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-125: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-89: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-89: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,268 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-90: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,269 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-90: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,269 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-91: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,269 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-91: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,269 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-92: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,271 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-92: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,271 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-104: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-30 02:33:59,271 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-104: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,272 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-144: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,272 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-107: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,272 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-107: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,274 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-147: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,274 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-113: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-30 02:33:59,274 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-113: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,275 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-153: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,275 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-116: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,275 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-116: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,275 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-154: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,276 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-117: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,276 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-117: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-155: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-118: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-118: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-156: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,277 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-119: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,278 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-119: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,278 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-159: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,278 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-160: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,279 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-161: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,279 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-162: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,280 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-136: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,280 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-136: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,283 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-144: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,283 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-144: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,283 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-175: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,283 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-139: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,284 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-139: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,284 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,284 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-178: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,284 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-150: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-150: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-145: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-145: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,285 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-146: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,286 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-146: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,286 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-184: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,286 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-147: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,286 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-147: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));pop_#res := 0bv32; [2020-11-30 02:33:59,286 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-148: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);pop_#res := 0bv32; [2020-11-30 02:33:59,287 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-148: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,287 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-187: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,287 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-188: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,288 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-151: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,289 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-151: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,290 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-189: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,290 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-152: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,290 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-152: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,290 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L2-190: ~__CS_round~0 := ~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0))[8:0]; [2020-11-30 02:33:59,291 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-153: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,291 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-153: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,291 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-154: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,291 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-154: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,291 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-166: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-30 02:33:59,292 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-166: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,292 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-169: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);get_top_#res := 0bv32; [2020-11-30 02:33:59,292 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-169: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,292 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-175: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);push_#res := 0bv32; [2020-11-30 02:33:59,292 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-175: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,294 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-178: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,295 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-178: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0));havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,295 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-179: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,295 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-179: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,295 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-180: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,295 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-180: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-181: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L796-181: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2020-11-30 02:33:59,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-194: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-194: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,296 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-36: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,297 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-36: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,300 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-38: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,300 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-45: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,301 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-45: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,301 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-47: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,301 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1151: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,301 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1152: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,302 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-63: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,302 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-63: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,303 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-65: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,303 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-66: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,304 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-66: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,304 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-68: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,308 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-69: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,308 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-69: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,308 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-71: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,309 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-72: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,309 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-72: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,309 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-74: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,309 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-81: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,313 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-81: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,314 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-83: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,314 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-84: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,314 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-84: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,314 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-246: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,315 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-246: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,315 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-86: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,315 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-87: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,315 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-87: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,316 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-89: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,316 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-90: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,316 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-90: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,316 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-252: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,316 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-252: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,317 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-92: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,317 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-126: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,317 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-126: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,317 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-128: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,317 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-296: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,318 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-296: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,318 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-135: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,318 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-135: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,318 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-137: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,318 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-153: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-153: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-155: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-162: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-162: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-164: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-165: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,322 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-165: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,322 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-167: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,322 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-168: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,322 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-168: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,323 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-170: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,323 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-171: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-171: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-173: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-222: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-222: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-224: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-231: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-231: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-233: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,324 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-249: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-249: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-251: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-252: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-252: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-254: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-255: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-255: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-257: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-258: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,325 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-258: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-260: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-267: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-267: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-269: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-270: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-270: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-272: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-273: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,326 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-273: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-275: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-276: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-276: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-278: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-312: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-312: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-314: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,327 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-321: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,328 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-321: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,328 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-323: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,328 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-339: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,328 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-339: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,328 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-341: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-348: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-348: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-350: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-351: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,329 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-351: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-353: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-354: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-354: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-356: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,330 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-357: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-357: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-359: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-408: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-408: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,331 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-410: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-417: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-417: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-419: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-435: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-435: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,332 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-437: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-438: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-438: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-440: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-441: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,333 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-441: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-443: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-444: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-444: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-446: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-453: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,335 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-453: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,335 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-455: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,335 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-456: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,335 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-456: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,335 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-458: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,336 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-459: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,336 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-459: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,336 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-461: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,336 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-462: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,336 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-462: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,337 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-464: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,337 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-498: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,337 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-498: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,337 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-500: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,338 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-507: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,338 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-507: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,338 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-509: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,338 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-525: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,338 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-525: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,339 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-527: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,339 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-534: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,339 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-534: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,339 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-536: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,339 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-537: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,340 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-537: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,340 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-539: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,340 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-540: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,340 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-540: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,340 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-542: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,341 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-543: assume 0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0);__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret_PREEMPTED~0); [2020-11-30 02:33:59,341 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-543: assume !(0bv32 != __CS_cs_#t~nondet34 && 1bv32 == ~zero_extendFrom8To32(~__CS_round~0));__CS_cs_#t~ite35 := ~zero_extendFrom8To32(~__CS_ret~0); [2020-11-30 02:33:59,341 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-545: ~__CS_ret~0 := __CS_cs_#t~ite35[8:0];havoc __CS_cs_#t~nondet34;havoc __CS_cs_#t~ite35; [2020-11-30 02:33:59,341 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,341 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##384: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,342 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,342 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,342 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,342 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,342 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##449: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##450: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##663: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##641: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##772: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##728: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##727: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##751: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##750: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,346 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##764: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,346 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##706: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,346 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##707: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,346 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##713: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,346 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##714: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##896: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##895: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1406: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,348 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1407: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,348 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-2: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,348 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-5: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,348 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-8: havoc __CS_cs_#t~nondet33, __CS_cs_#t~nondet34, __CS_cs_#t~ite35, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet33;havoc __CS_cs_#t~nondet33;assume_abort_if_not_#in~cond := (if ~bvslt32(~bvadd32(~zero_extendFrom8To32(~__CS_round~0), ~zero_extendFrom8To32(__CS_cs_~k~0)), 2bv32) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2020-11-30 02:33:59,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1492: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1493: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1485: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,349 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1486: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1471: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1472: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1448: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1449: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,350 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##975: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##974: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##982: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##981: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##937: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,351 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##938: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,352 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,353 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1384: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,353 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1385: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,353 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,353 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume !(0bv32 == assume_abort_if_not_~cond); [2020-11-30 02:33:59,353 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume 0bv32 == assume_abort_if_not_~cond;assume false; [2020-11-30 02:33:59,385 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:33:59,386 INFO L298 CfgBuilder]: Removed 936 assume(true) statements. [2020-11-30 02:33:59,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:33:59 BoogieIcfgContainer [2020-11-30 02:33:59,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:33:59,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:33:59,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:33:59,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:33:59,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:33:44" (1/3) ... [2020-11-30 02:33:59,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41989bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:33:59, skipping insertion in model container [2020-11-30 02:33:59,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:33:46" (2/3) ... [2020-11-30 02:33:59,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41989bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:33:59, skipping insertion in model container [2020-11-30 02:33:59,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:33:59" (3/3) ... [2020-11-30 02:33:59,400 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_stack-2.i [2020-11-30 02:33:59,415 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:33:59,422 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:33:59,437 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:33:59,486 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:33:59,486 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:33:59,486 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:33:59,486 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:33:59,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:33:59,487 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:33:59,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:33:59,487 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:33:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states. [2020-11-30 02:33:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 02:33:59,548 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:33:59,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:33:59,550 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:33:59,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:33:59,558 INFO L82 PathProgramCache]: Analyzing trace with hash -525329408, now seen corresponding path program 1 times [2020-11-30 02:33:59,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:33:59,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835697378] [2020-11-30 02:33:59,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 02:34:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:34:00,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:34:00,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:34:00,127 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 02:34:00,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:34:00,143 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 02:34:00,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835697378] [2020-11-30 02:34:00,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:34:00,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:34:00,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684560264] [2020-11-30 02:34:00,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:34:00,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:34:00,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:34:00,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:34:00,185 INFO L87 Difference]: Start difference. First operand 910 states. Second operand 2 states. [2020-11-30 02:34:00,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:34:00,337 INFO L93 Difference]: Finished difference Result 1811 states and 2825 transitions. [2020-11-30 02:34:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:34:00,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 40 [2020-11-30 02:34:00,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:34:00,428 INFO L225 Difference]: With dead ends: 1811 [2020-11-30 02:34:00,435 INFO L226 Difference]: Without dead ends: 905 [2020-11-30 02:34:00,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 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 02:34:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-11-30 02:34:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2020-11-30 02:34:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-11-30 02:34:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1249 transitions. [2020-11-30 02:34:00,622 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1249 transitions. Word has length 40 [2020-11-30 02:34:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:34:00,622 INFO L481 AbstractCegarLoop]: Abstraction has 905 states and 1249 transitions. [2020-11-30 02:34:00,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:34:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1249 transitions. [2020-11-30 02:34:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 02:34:00,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:34:00,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:34:00,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:34:00,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:34:00,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:34:00,845 INFO L82 PathProgramCache]: Analyzing trace with hash -307106072, now seen corresponding path program 1 times [2020-11-30 02:34:00,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:34:00,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382252650] [2020-11-30 02:34:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 02:34:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:34:01,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 02:34:01,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:34:01,342 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 02:34:01,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:34:01,383 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 02:34:01,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382252650] [2020-11-30 02:34:01,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:34:01,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 02:34:01,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629204968] [2020-11-30 02:34:01,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:34:01,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:34:01,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:34:01,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:34:01,388 INFO L87 Difference]: Start difference. First operand 905 states and 1249 transitions. Second operand 3 states. [2020-11-30 02:34:01,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:34:01,452 INFO L93 Difference]: Finished difference Result 1519 states and 2092 transitions. [2020-11-30 02:34:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:34:01,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-11-30 02:34:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:34:01,463 INFO L225 Difference]: With dead ends: 1519 [2020-11-30 02:34:01,463 INFO L226 Difference]: Without dead ends: 905 [2020-11-30 02:34:01,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:34:01,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-11-30 02:34:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2020-11-30 02:34:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-11-30 02:34:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1248 transitions. [2020-11-30 02:34:01,510 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1248 transitions. Word has length 40 [2020-11-30 02:34:01,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:34:01,511 INFO L481 AbstractCegarLoop]: Abstraction has 905 states and 1248 transitions. [2020-11-30 02:34:01,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:34:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1248 transitions. [2020-11-30 02:34:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 02:34:01,517 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:34:01,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:34:01,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:34:01,732 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:34:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:34:01,735 INFO L82 PathProgramCache]: Analyzing trace with hash -446268886, now seen corresponding path program 1 times [2020-11-30 02:34:01,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:34:01,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740198568] [2020-11-30 02:34:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/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 02:34:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:34:02,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 02:34:02,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:34:02,243 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 02:34:02,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:34:02,300 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 02:34:02,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740198568] [2020-11-30 02:34:02,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:34:02,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-30 02:34:02,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112932161] [2020-11-30 02:34:02,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:34:02,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:34:02,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:34:02,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:34:02,305 INFO L87 Difference]: Start difference. First operand 905 states and 1248 transitions. Second operand 6 states. [2020-11-30 02:34:02,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:34:02,520 INFO L93 Difference]: Finished difference Result 1764 states and 2430 transitions. [2020-11-30 02:34:02,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:34:02,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-11-30 02:34:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:34:02,534 INFO L225 Difference]: With dead ends: 1764 [2020-11-30 02:34:02,534 INFO L226 Difference]: Without dead ends: 1704 [2020-11-30 02:34:02,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:34:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-11-30 02:34:02,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1698. [2020-11-30 02:34:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1698 states. [2020-11-30 02:34:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2332 transitions. [2020-11-30 02:34:02,612 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2332 transitions. Word has length 50 [2020-11-30 02:34:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:34:02,612 INFO L481 AbstractCegarLoop]: Abstraction has 1698 states and 2332 transitions. [2020-11-30 02:34:02,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:34:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2332 transitions. [2020-11-30 02:34:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 02:34:02,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:34:02,619 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:34:02,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 02:34:02,836 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:34:02,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:34:02,837 INFO L82 PathProgramCache]: Analyzing trace with hash -253104676, now seen corresponding path program 1 times [2020-11-30 02:34:02,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:34:02,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040638101] [2020-11-30 02:34:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/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 02:34:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:34:03,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 02:34:03,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:34:03,402 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 02:34:03,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:34:03,475 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 02:34:03,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040638101] [2020-11-30 02:34:03,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:34:03,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-30 02:34:03,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792285378] [2020-11-30 02:34:03,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:34:03,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:34:03,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:34:03,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:34:03,480 INFO L87 Difference]: Start difference. First operand 1698 states and 2332 transitions. Second operand 8 states. [2020-11-30 02:34:10,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:34:10,207 INFO L93 Difference]: Finished difference Result 4836 states and 6566 transitions. [2020-11-30 02:34:10,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:34:10,208 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-11-30 02:34:10,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:34:10,229 INFO L225 Difference]: With dead ends: 4836 [2020-11-30 02:34:10,229 INFO L226 Difference]: Without dead ends: 2945 [2020-11-30 02:34:10,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-11-30 02:34:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2020-11-30 02:34:10,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2722. [2020-11-30 02:34:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2722 states. [2020-11-30 02:34:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3429 transitions. [2020-11-30 02:34:10,374 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3429 transitions. Word has length 77 [2020-11-30 02:34:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:34:10,376 INFO L481 AbstractCegarLoop]: Abstraction has 2722 states and 3429 transitions. [2020-11-30 02:34:10,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:34:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3429 transitions. [2020-11-30 02:34:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 02:34:10,385 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:34:10,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:34:10,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 02:34:10,592 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:34:10,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:34:10,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1822061214, now seen corresponding path program 1 times [2020-11-30 02:34:10,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:34:10,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99568868] [2020-11-30 02:34:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 02:34:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:34:11,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 02:34:11,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:34:11,139 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 02:34:11,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:34:11,176 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 02:34:11,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99568868] [2020-11-30 02:34:11,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:34:11,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 02:34:11,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473555886] [2020-11-30 02:34:11,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:34:11,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:34:11,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:34:11,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:34:11,179 INFO L87 Difference]: Start difference. First operand 2722 states and 3429 transitions. Second operand 4 states. [2020-11-30 02:34:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:34:17,796 INFO L93 Difference]: Finished difference Result 7827 states and 9771 transitions. [2020-11-30 02:34:17,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:34:17,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2020-11-30 02:34:17,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:34:17,839 INFO L225 Difference]: With dead ends: 7827 [2020-11-30 02:34:17,839 INFO L226 Difference]: Without dead ends: 5944 [2020-11-30 02:34:17,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:34:17,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5944 states. [2020-11-30 02:34:18,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5944 to 4578. [2020-11-30 02:34:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4578 states. [2020-11-30 02:34:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 5787 transitions. [2020-11-30 02:34:18,039 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 5787 transitions. Word has length 77 [2020-11-30 02:34:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:34:18,039 INFO L481 AbstractCegarLoop]: Abstraction has 4578 states and 5787 transitions. [2020-11-30 02:34:18,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:34:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 5787 transitions. [2020-11-30 02:34:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 02:34:18,049 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:34:18,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:34:18,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 02:34:18,264 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:34:18,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:34:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash -406848418, now seen corresponding path program 1 times [2020-11-30 02:34:18,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:34:18,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614027772] [2020-11-30 02:34:18,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-30 02:34:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:34:20,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 02:34:20,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:34:20,316 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:34:20,317 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 156 [2020-11-30 02:34:20,323 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 1] term [2020-11-30 02:34:20,323 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:34:20,328 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 7, 1] term [2020-11-30 02:34:20,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:34:20,330 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 1] term [2020-11-30 02:34:20,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:34:20,335 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:34:20,595 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-11-30 02:34:20,608 INFO L625 ElimStorePlain]: treesize reduction 194, result has 20.8 percent of original size [2020-11-30 02:34:20,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614027772] [2020-11-30 02:34:20,613 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 02:34:20,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1542355336] [2020-11-30 02:34:20,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 02:35:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:35:05,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-30 02:35:05,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:35:05,417 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:35:05,418 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 452 treesize of output 436 [2020-11-30 02:35:05,423 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 2, 5, 2, 5, 2, 3, 2, 3, 1] term [2020-11-30 02:35:05,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,425 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-11-30 02:35:05,425 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,427 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-11-30 02:35:05,427 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,430 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 5, 2, 3, 2, 3, 1] term [2020-11-30 02:35:05,431 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,445 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 2, 3, 2, 3, 1] term [2020-11-30 02:35:05,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,450 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 2, 3, 1] term [2020-11-30 02:35:05,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,453 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2020-11-30 02:35:05,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,459 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 7, 2, 6, 2, 5, 2, 3, 2, 3, 1] term [2020-11-30 02:35:05,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,464 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 4, 2, 5, 2, 5, 3, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:35:05,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,470 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 6, 2, 5, 2, 5, 3, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:35:05,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,474 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 4, 2, 5, 2, 5, 3, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:35:05,475 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:05,484 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:35:06,057 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2020-11-30 02:35:06,058 INFO L625 ElimStorePlain]: treesize reduction 1535, result has 3.6 percent of original size [2020-11-30 02:35:06,059 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 02:35:06,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655498193] [2020-11-30 02:35:06,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80ebaeec-03df-42ab-90fd-e7be509580d3/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:35:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:35:06,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 02:35:06,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:35:06,707 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:35:06,708 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 123 [2020-11-30 02:35:06,710 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 1] term [2020-11-30 02:35:06,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:06,714 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 1] term [2020-11-30 02:35:06,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:35:06,719 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 02:35:07,061 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-11-30 02:35:07,062 INFO L625 ElimStorePlain]: treesize reduction 114, result has 30.9 percent of original size [2020-11-30 02:35:07,063 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 02:35:07,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:35:07,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-30 02:35:07,063 ERROR L205 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2020-11-30 02:35:07,063 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:35:07,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 02:35:07,754 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-30 02:35:07,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:35:07 BoogieIcfgContainer [2020-11-30 02:35:07,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:35:07,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:35:07,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:35:07,760 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:35:07,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:33:59" (3/4) ... [2020-11-30 02:35:07,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 02:35:07,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:35:07,768 INFO L168 Benchmark]: Toolchain (without parser) took 83031.24 ms. Allocated memory was 58.7 MB in the beginning and 323.0 MB in the end (delta: 264.2 MB). Free memory was 37.6 MB in the beginning and 262.7 MB in the end (delta: -225.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:35:07,768 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:35:07,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1614.47 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 37.4 MB in the beginning and 42.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:35:07,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 360.72 ms. Allocated memory is still 77.6 MB. Free memory was 42.3 MB in the beginning and 35.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:35:07,777 INFO L168 Benchmark]: Boogie Preprocessor took 415.13 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 35.8 MB in the beginning and 51.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:35:07,783 INFO L168 Benchmark]: RCFGBuilder took 12255.73 ms. Allocated memory was 96.5 MB in the beginning and 184.5 MB in the end (delta: 88.1 MB). Free memory was 51.0 MB in the beginning and 101.3 MB in the end (delta: -50.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. [2020-11-30 02:35:07,784 INFO L168 Benchmark]: TraceAbstraction took 68365.76 ms. Allocated memory was 184.5 MB in the beginning and 323.0 MB in the end (delta: 138.4 MB). Free memory was 100.2 MB in the beginning and 262.7 MB in the end (delta: -162.5 MB). Peak memory consumption was 122.9 MB. Max. memory is 16.1 GB. [2020-11-30 02:35:07,786 INFO L168 Benchmark]: Witness Printer took 6.96 ms. Allocated memory is still 323.0 MB. Free memory is still 262.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:35:07,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1614.47 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 37.4 MB in the beginning and 42.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 360.72 ms. Allocated memory is still 77.6 MB. Free memory was 42.3 MB in the beginning and 35.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 415.13 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 35.8 MB in the beginning and 51.0 MB in the end (delta: -15.2 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12255.73 ms. Allocated memory was 96.5 MB in the beginning and 184.5 MB in the end (delta: 88.1 MB). Free memory was 51.0 MB in the beginning and 101.3 MB in the end (delta: -50.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 68365.76 ms. Allocated memory was 184.5 MB in the beginning and 323.0 MB in the end (delta: 138.4 MB). Free memory was 100.2 MB in the beginning and 262.7 MB in the end (delta: -162.5 MB). Peak memory consumption was 122.9 MB. Max. memory is 16.1 GB. * Witness Printer took 6.96 ms. Allocated memory is still 323.0 MB. Free memory is still 262.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 16]: 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: [L779] unsigned char __CS_round = 0; [L780] unsigned char __CS_ret = 0; [L781] const unsigned char __CS_ret_PREEMPTED = 0x01; [L782] const unsigned char __CS_ret_ERROR = 0x02; [L783] const unsigned char __CS_ret_FINISHED = 0x04; [L784] unsigned char __CS_error = 0; [L785] unsigned char __CS_thread_index; [L786] unsigned char __CS_thread_allocated[2 +1]; [L787] unsigned char __CS_thread_born_round[2 +1]; [L788] void *(*__CS_thread[2 +1])(void *); [L789] unsigned char __CS_thread_status[2][2 +1]; [L790] const unsigned char __THREAD_UNUSED = 0x00; [L791] const unsigned char __THREAD_RUNNING = 0x01; [L792] const unsigned char __THREAD_FINISHED = 0x02; [L793] unsigned char *__CS_thread_lockedon[2][2 +1]; [L913] static int top[2] = {0}; [L914] static unsigned int arr[2][5]; [L915] unsigned char m[2]; [L916] _Bool flag[2] = {0}; [L923] union __CS__u __CS_u; [L1077] static int __CS_cp_top[2]; [L1078] static unsigned int __CS_cp_arr[2][5]; [L1075] unsigned char __CS_cp___CS_thread_status[2][2 +1]; [L1076] unsigned char *__CS_cp___CS_thread_lockedon[2][2 +1]; [L1079] unsigned char __CS_cp_m[2]; [L1080] _Bool __CS_cp_flag[2]; [L1081] EXPR __CS_cp___CS_thread_status[1][0] [L1081] __CS_thread_status[1][0] = __CS_cp___CS_thread_status[1][0] [L1082] EXPR __CS_cp___CS_thread_status[1][1] [L1082] __CS_thread_status[1][1] = __CS_cp___CS_thread_status[1][1] [L1083] EXPR __CS_cp___CS_thread_status[1][2] [L1083] __CS_thread_status[1][2] = __CS_cp___CS_thread_status[1][2] [L1084] EXPR __CS_cp___CS_thread_lockedon[1][0] [L1084] __CS_thread_lockedon[1][0] = __CS_cp___CS_thread_lockedon[1][0] [L1085] EXPR __CS_cp___CS_thread_lockedon[1][1] [L1085] __CS_thread_lockedon[1][1] = __CS_cp___CS_thread_lockedon[1][1] [L1086] EXPR __CS_cp___CS_thread_lockedon[1][2] [L1086] __CS_thread_lockedon[1][2] = __CS_cp___CS_thread_lockedon[1][2] [L1087] EXPR __CS_cp_top[1] [L1087] top[1] = __CS_cp_top[1] [L1088] EXPR __CS_cp_arr[1][0] [L1088] arr[1][0] = __CS_cp_arr[1][0] [L1089] EXPR __CS_cp_arr[1][1] [L1089] arr[1][1] = __CS_cp_arr[1][1] [L1090] EXPR __CS_cp_arr[1][2] [L1090] arr[1][2] = __CS_cp_arr[1][2] [L1091] EXPR __CS_cp_arr[1][3] [L1091] arr[1][3] = __CS_cp_arr[1][3] [L1092] EXPR __CS_cp_arr[1][4] [L1092] arr[1][4] = __CS_cp_arr[1][4] [L1093] EXPR __CS_cp_m[1] [L1093] m[1] = __CS_cp_m[1] [L1094] EXPR __CS_cp_flag[1] [L1094] flag[1] = __CS_cp_flag[1] [L1095] __CS_round = 0 [L1096] __CS_thread_index = 0 [L1097] __CS_thread_born_round[0] = __CS_round [L1098] __CS_thread_status[0][0] = __THREAD_RUNNING [L1099] __CS_thread[0] = main_thread [L1100] __CS_thread_allocated[0] = 1 [L1101] EXPR __CS_thread_allocated[0] [L1101] COND TRUE __CS_thread_allocated[0] == 1 [L1102] EXPR __CS_thread_born_round[0] [L1102] __CS_round = __CS_thread_born_round[0] [L1103] __CS_ret = 0 [L1059] unsigned char id1; [L1060] unsigned char id2; [L798] unsigned char k = __VERIFIER_nondet_uchar(); [L3] COND FALSE !(!cond) [L800] __CS_round += k [L801] EXPR (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L801] __CS_ret = (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L1061] COND FALSE !(__CS_ret != 0) [L805] return 0; [L798] unsigned char k = __VERIFIER_nondet_uchar(); [L3] COND FALSE !(!cond) [L800] __CS_round += k [L801] EXPR (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L801] __CS_ret = (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L1063] COND FALSE !(__CS_ret != 0) [L900] COND FALSE !(__CS_thread_index == 2) [L904] __CS_thread_index++ [L905] __CS_thread_allocated[__CS_thread_index] = 1 [L906] __CS_thread_born_round[__CS_thread_index] = __CS_round [L907] __CS_thread[__CS_thread_index] = t1 [L908] __CS_thread_status[__CS_round][__CS_thread_index] = __THREAD_RUNNING [L909] *id1 = __CS_thread_index [L910] return __CS_thread_index; [L798] unsigned char k = __VERIFIER_nondet_uchar(); [L3] COND FALSE !(!cond) [L800] __CS_round += k [L801] EXPR (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L801] __CS_ret = (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L1065] COND FALSE !(__CS_ret != 0) [L900] COND FALSE !(__CS_thread_index == 2) [L904] __CS_thread_index++ [L905] __CS_thread_allocated[__CS_thread_index] = 1 [L906] __CS_thread_born_round[__CS_thread_index] = __CS_round [L907] __CS_thread[__CS_thread_index] = t1 [L908] __CS_thread_status[__CS_round][__CS_thread_index] = __THREAD_RUNNING [L909] *id1 = __CS_thread_index [L910] return __CS_thread_index; [L798] unsigned char k = __VERIFIER_nondet_uchar(); [L3] COND FALSE !(!cond) [L800] __CS_round += k [L801] EXPR (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L801] __CS_ret = (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L1067] COND FALSE !(__CS_ret != 0) [L1068] \read(id1) [L878] COND TRUE thread != 123 && thread > 2 +1 [L880] __CS_error = 1 [L881] __CS_ret = __CS_ret_ERROR [L882] return 0; [L798] unsigned char k = __VERIFIER_nondet_uchar(); [L3] COND FALSE !(!cond) [L800] __CS_round += k [L801] EXPR (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L801] __CS_ret = (__VERIFIER_nondet_int() && __CS_round == 2 -1)?__CS_ret_PREEMPTED:__CS_ret [L1069] COND TRUE __CS_ret != 0 [L1069] return 0; [L1069] return 0; [L1069] return 0; [L1105] COND FALSE !(__CS_ret!=__CS_ret_PREEMPTED) [L1107] EXPR __CS_thread_allocated[1] [L1107] COND FALSE !(__CS_thread_allocated[1] == 1) [L1113] EXPR __CS_thread_allocated[2] [L1113] COND FALSE !(__CS_thread_allocated[2] == 1) [L1119] __CS_thread_status[0][0] [L1119] __CS_cp___CS_thread_status[1][0] [L3] COND FALSE !(!cond) [L1120] __CS_thread_status[0][1] [L1120] __CS_cp___CS_thread_status[1][1] [L3] COND FALSE !(!cond) [L1121] __CS_thread_status[0][2] [L1121] __CS_cp___CS_thread_status[1][2] [L3] COND FALSE !(!cond) [L1122] __CS_thread_lockedon[0][0] [L1122] __CS_cp___CS_thread_lockedon[1][0] [L3] COND FALSE !(!cond) [L1123] __CS_thread_lockedon[0][1] [L1123] __CS_cp___CS_thread_lockedon[1][1] [L3] COND FALSE !(!cond) [L1124] __CS_thread_lockedon[0][2] [L1124] __CS_cp___CS_thread_lockedon[1][2] [L3] COND FALSE !(!cond) [L1125] top[0] [L1125] __CS_cp_top[1] [L3] COND FALSE !(!cond) [L1126] arr[0][0] [L1126] __CS_cp_arr[1][0] [L3] COND FALSE !(!cond) [L1127] arr[0][1] [L1127] __CS_cp_arr[1][1] [L3] COND FALSE !(!cond) [L1128] arr[0][2] [L1128] __CS_cp_arr[1][2] [L3] COND FALSE !(!cond) [L1129] arr[0][3] [L1129] __CS_cp_arr[1][3] [L3] COND FALSE !(!cond) [L1130] arr[0][4] [L1130] __CS_cp_arr[1][4] [L3] COND FALSE !(!cond) [L1131] m[0] [L1131] __CS_cp_m[1] [L3] COND FALSE !(!cond) [L1132] flag[0] [L1132] __CS_cp_flag[1] [L3] COND FALSE !(!cond) [L774] COND TRUE !(cond) [L16] COND FALSE !(0) [L16] __assert_fail ("0", "cs_stack-2.c", 7, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 910 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 68.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6080 SDtfs, 8464 SDslu, 8702 SDs, 0 SdLazy, 2481 SolverSat, 1426 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 543 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4578occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 1595 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 64217 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1610 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...