./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2b89ce5b96ce55081609675201b2a9a116c2941a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:16:17,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:16:17,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:16:17,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:16:17,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:16:17,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:16:17,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:16:17,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:16:17,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:16:17,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:16:17,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:16:17,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:16:17,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:16:17,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:16:17,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:16:17,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:16:17,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:16:17,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:16:17,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:16:17,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:16:17,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:16:17,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:16:17,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:16:17,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:16:17,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:16:17,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:16:17,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:16:17,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:16:17,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:16:17,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:16:17,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:16:17,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:16:17,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:16:17,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:16:17,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:16:17,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:16:17,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:16:17,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:16:17,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:16:17,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:16:17,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:16:17,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-12-07 17:16:17,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:16:17,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:16:17,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:16:17,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:16:17,808 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:16:17,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:16:17,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:16:17,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:16:17,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:16:17,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:16:17,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:16:17,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:16:17,809 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 17:16:17,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:16:17,809 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:16:17,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:16:17,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:16:17,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:16:17,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:16:17,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:16:17,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:16:17,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:16:17,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:16:17,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:16:17,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:16:17,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:16:17,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:16:17,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:16:17,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b89ce5b96ce55081609675201b2a9a116c2941a [2019-12-07 17:16:17,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:16:17,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:16:17,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:16:17,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:16:17,933 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:16:17,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Benghazi.c [2019-12-07 17:16:17,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/data/7ec360296/64e72ffd98994a2694ff45e2b7a182b0/FLAGc9e36936d [2019-12-07 17:16:18,372 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:16:18,373 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/sv-benchmarks/c/termination-crafted/Benghazi.c [2019-12-07 17:16:18,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/data/7ec360296/64e72ffd98994a2694ff45e2b7a182b0/FLAGc9e36936d [2019-12-07 17:16:18,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/data/7ec360296/64e72ffd98994a2694ff45e2b7a182b0 [2019-12-07 17:16:18,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:16:18,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:16:18,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:16:18,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:16:18,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:16:18,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc7a4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18, skipping insertion in model container [2019-12-07 17:16:18,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:16:18,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:16:18,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:16:18,506 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:16:18,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:16:18,558 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:16:18,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18 WrapperNode [2019-12-07 17:16:18,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:16:18,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:16:18,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:16:18,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:16:18,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:16:18,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:16:18,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:16:18,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:16:18,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... [2019-12-07 17:16:18,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:16:18,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:16:18,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:16:18,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:16:18,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:16:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:16:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:16:18,729 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:16:18,729 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:16:18,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:16:18 BoogieIcfgContainer [2019-12-07 17:16:18,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:16:18,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:16:18,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:16:18,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:16:18,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:16:18" (1/3) ... [2019-12-07 17:16:18,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a57e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:16:18, skipping insertion in model container [2019-12-07 17:16:18,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:16:18" (2/3) ... [2019-12-07 17:16:18,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a57e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:16:18, skipping insertion in model container [2019-12-07 17:16:18,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:16:18" (3/3) ... [2019-12-07 17:16:18,735 INFO L109 eAbstractionObserver]: Analyzing ICFG Benghazi.c [2019-12-07 17:16:18,741 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:16:18,745 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-12-07 17:16:18,753 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 17:16:18,767 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:16:18,767 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:16:18,768 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:16:18,768 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:16:18,768 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:16:18,768 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:16:18,768 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:16:18,768 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:16:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-12-07 17:16:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 17:16:18,781 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:18,782 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 17:16:18,782 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:18,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:18,786 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-12-07 17:16:18,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:18,791 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98676128] [2019-12-07 17:16:18,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:18,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98676128] [2019-12-07 17:16:18,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:18,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 17:16:18,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759269508] [2019-12-07 17:16:18,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:16:18,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:18,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:16:18,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:18,904 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-12-07 17:16:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:18,935 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-12-07 17:16:18,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:16:18,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-07 17:16:18,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:18,942 INFO L225 Difference]: With dead ends: 30 [2019-12-07 17:16:18,942 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 17:16:18,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 17:16:18,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-12-07 17:16:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 17:16:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-07 17:16:18,965 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2019-12-07 17:16:18,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:18,965 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-12-07 17:16:18,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:16:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-07 17:16:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 17:16:18,966 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:18,966 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 17:16:18,966 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:18,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:18,967 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-12-07 17:16:18,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:18,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291682416] [2019-12-07 17:16:18,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:18,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291682416] [2019-12-07 17:16:18,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:18,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:16:18,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000209166] [2019-12-07 17:16:18,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:16:18,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:18,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:16:18,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:16:18,993 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 4 states. [2019-12-07 17:16:19,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,020 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-12-07 17:16:19,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:16:19,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-12-07 17:16:19,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,021 INFO L225 Difference]: With dead ends: 22 [2019-12-07 17:16:19,021 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 17:16:19,022 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:16:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 17:16:19,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-12-07 17:16:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 17:16:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-12-07 17:16:19,024 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 4 [2019-12-07 17:16:19,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,025 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-12-07 17:16:19,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:16:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-12-07 17:16:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 17:16:19,025 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,025 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 17:16:19,026 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,026 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2019-12-07 17:16:19,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146242685] [2019-12-07 17:16:19,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146242685] [2019-12-07 17:16:19,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:19,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 17:16:19,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607835401] [2019-12-07 17:16:19,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:16:19,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:19,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:16:19,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:19,040 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2019-12-07 17:16:19,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,051 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-12-07 17:16:19,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:16:19,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 17:16:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,052 INFO L225 Difference]: With dead ends: 24 [2019-12-07 17:16:19,052 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 17:16:19,052 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 17:16:19,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2019-12-07 17:16:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 17:16:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-12-07 17:16:19,055 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 5 [2019-12-07 17:16:19,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,055 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-12-07 17:16:19,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:16:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-12-07 17:16:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 17:16:19,056 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,056 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:16:19,056 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,056 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-12-07 17:16:19,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000047559] [2019-12-07 17:16:19,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000047559] [2019-12-07 17:16:19,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:19,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 17:16:19,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209260374] [2019-12-07 17:16:19,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:16:19,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:19,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:16:19,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:19,071 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2019-12-07 17:16:19,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,081 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-12-07 17:16:19,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:16:19,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 17:16:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,082 INFO L225 Difference]: With dead ends: 24 [2019-12-07 17:16:19,082 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 17:16:19,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:19,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 17:16:19,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2019-12-07 17:16:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 17:16:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-12-07 17:16:19,086 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 6 [2019-12-07 17:16:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,086 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-12-07 17:16:19,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:16:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-12-07 17:16:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 17:16:19,087 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,087 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:19,087 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1366846491, now seen corresponding path program 1 times [2019-12-07 17:16:19,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778627576] [2019-12-07 17:16:19,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778627576] [2019-12-07 17:16:19,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:19,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:16:19,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561232846] [2019-12-07 17:16:19,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:16:19,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:19,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:16:19,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:16:19,116 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 4 states. [2019-12-07 17:16:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,145 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-12-07 17:16:19,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:16:19,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 17:16:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,147 INFO L225 Difference]: With dead ends: 27 [2019-12-07 17:16:19,147 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 17:16:19,147 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:16:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 17:16:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2019-12-07 17:16:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 17:16:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-12-07 17:16:19,151 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 7 [2019-12-07 17:16:19,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,151 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-12-07 17:16:19,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:16:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-12-07 17:16:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 17:16:19,152 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,152 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:19,152 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,153 INFO L82 PathProgramCache]: Analyzing trace with hash 577431791, now seen corresponding path program 1 times [2019-12-07 17:16:19,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,153 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054386655] [2019-12-07 17:16:19,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054386655] [2019-12-07 17:16:19,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:19,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:16:19,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722054698] [2019-12-07 17:16:19,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:16:19,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:19,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:16:19,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:16:19,176 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 4 states. [2019-12-07 17:16:19,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,198 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-12-07 17:16:19,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:16:19,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-07 17:16:19,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,199 INFO L225 Difference]: With dead ends: 27 [2019-12-07 17:16:19,200 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 17:16:19,200 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:16:19,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 17:16:19,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2019-12-07 17:16:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 17:16:19,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-12-07 17:16:19,204 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 8 [2019-12-07 17:16:19,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,204 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-12-07 17:16:19,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:16:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-12-07 17:16:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 17:16:19,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,205 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:19,205 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,205 INFO L82 PathProgramCache]: Analyzing trace with hash 861171249, now seen corresponding path program 1 times [2019-12-07 17:16:19,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583651411] [2019-12-07 17:16:19,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583651411] [2019-12-07 17:16:19,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690511244] [2019-12-07 17:16:19,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,259 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 17:16:19,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:19,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 7 [2019-12-07 17:16:19,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952262763] [2019-12-07 17:16:19,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 17:16:19,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 17:16:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-12-07 17:16:19,315 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-12-07 17:16:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,388 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-12-07 17:16:19,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:16:19,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2019-12-07 17:16:19,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,389 INFO L225 Difference]: With dead ends: 30 [2019-12-07 17:16:19,389 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 17:16:19,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:16:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 17:16:19,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2019-12-07 17:16:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 17:16:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-12-07 17:16:19,392 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10 [2019-12-07 17:16:19,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,392 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-12-07 17:16:19,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 17:16:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-12-07 17:16:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:16:19,392 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,393 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:19,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:19,593 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,594 INFO L82 PathProgramCache]: Analyzing trace with hash 926504987, now seen corresponding path program 1 times [2019-12-07 17:16:19,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121087151] [2019-12-07 17:16:19,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121087151] [2019-12-07 17:16:19,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18652522] [2019-12-07 17:16:19,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:19,679 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:16:19,680 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:19,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:16:19,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2019-12-07 17:16:19,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740461911] [2019-12-07 17:16:19,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:16:19,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:19,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:16:19,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:16:19,722 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 5 states. [2019-12-07 17:16:19,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:19,771 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-12-07 17:16:19,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:16:19,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-07 17:16:19,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:19,771 INFO L225 Difference]: With dead ends: 23 [2019-12-07 17:16:19,771 INFO L226 Difference]: Without dead ends: 22 [2019-12-07 17:16:19,772 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:16:19,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-07 17:16:19,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-07 17:16:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 17:16:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-12-07 17:16:19,775 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2019-12-07 17:16:19,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:19,775 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-12-07 17:16:19,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:16:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-12-07 17:16:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:16:19,776 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:19,776 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:19,976 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:19,976 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:19,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:19,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1343116429, now seen corresponding path program 1 times [2019-12-07 17:16:19,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:19,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895063316] [2019-12-07 17:16:19,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895063316] [2019-12-07 17:16:20,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280673832] [2019-12-07 17:16:20,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,016 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:16:20,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:20,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-12-07 17:16:20,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20903352] [2019-12-07 17:16:20,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:16:20,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:20,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:16:20,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:16:20,019 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 5 states. [2019-12-07 17:16:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:20,058 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-12-07 17:16:20,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:16:20,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-12-07 17:16:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:20,059 INFO L225 Difference]: With dead ends: 30 [2019-12-07 17:16:20,059 INFO L226 Difference]: Without dead ends: 29 [2019-12-07 17:16:20,059 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:16:20,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-12-07 17:16:20,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2019-12-07 17:16:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 17:16:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-12-07 17:16:20,062 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 12 [2019-12-07 17:16:20,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:20,062 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-12-07 17:16:20,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:16:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-12-07 17:16:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:16:20,063 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:20,063 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-07 17:16:20,264 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:20,264 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:20,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1313063709, now seen corresponding path program 1 times [2019-12-07 17:16:20,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:20,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497739090] [2019-12-07 17:16:20,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497739090] [2019-12-07 17:16:20,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:20,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:16:20,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133324286] [2019-12-07 17:16:20,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:16:20,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:20,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:16:20,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:20,297 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 3 states. [2019-12-07 17:16:20,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:20,309 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-12-07 17:16:20,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:16:20,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 17:16:20,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:20,311 INFO L225 Difference]: With dead ends: 24 [2019-12-07 17:16:20,311 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 17:16:20,312 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:16:20,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 17:16:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-12-07 17:16:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 17:16:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-12-07 17:16:20,317 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 13 [2019-12-07 17:16:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:20,317 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-12-07 17:16:20,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:16:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-12-07 17:16:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:16:20,318 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:20,318 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2019-12-07 17:16:20,319 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:20,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:20,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2050269365, now seen corresponding path program 1 times [2019-12-07 17:16:20,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:20,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23122949] [2019-12-07 17:16:20,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23122949] [2019-12-07 17:16:20,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315467815] [2019-12-07 17:16:20,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,363 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:16:20,363 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:20,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-12-07 17:16:20,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469623669] [2019-12-07 17:16:20,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:16:20,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:20,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:16:20,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:16:20,366 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 5 states. [2019-12-07 17:16:20,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:20,405 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-12-07 17:16:20,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:16:20,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-07 17:16:20,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:20,406 INFO L225 Difference]: With dead ends: 31 [2019-12-07 17:16:20,406 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 17:16:20,406 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:16:20,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 17:16:20,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2019-12-07 17:16:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 17:16:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-12-07 17:16:20,409 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 14 [2019-12-07 17:16:20,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:20,409 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-12-07 17:16:20,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:16:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-12-07 17:16:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 17:16:20,410 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:20,410 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1] [2019-12-07 17:16:20,610 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:20,611 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:20,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:20,611 INFO L82 PathProgramCache]: Analyzing trace with hash -866159073, now seen corresponding path program 1 times [2019-12-07 17:16:20,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:20,612 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469791123] [2019-12-07 17:16:20,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469791123] [2019-12-07 17:16:20,659 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008591028] [2019-12-07 17:16:20,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:20,700 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:16:20,702 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:20,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:20,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2019-12-07 17:16:20,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416737966] [2019-12-07 17:16:20,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 17:16:20,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:20,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:16:20,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:16:20,733 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 7 states. [2019-12-07 17:16:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:20,961 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-12-07 17:16:20,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 17:16:20,962 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-12-07 17:16:20,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:20,962 INFO L225 Difference]: With dead ends: 35 [2019-12-07 17:16:20,962 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 17:16:20,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:16:20,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 17:16:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2019-12-07 17:16:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 17:16:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-12-07 17:16:20,965 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 15 [2019-12-07 17:16:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:20,966 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-12-07 17:16:20,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 17:16:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-12-07 17:16:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 17:16:20,966 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:20,966 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1] [2019-12-07 17:16:21,167 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:21,168 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:21,168 INFO L82 PathProgramCache]: Analyzing trace with hash 844787553, now seen corresponding path program 2 times [2019-12-07 17:16:21,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:21,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874472932] [2019-12-07 17:16:21,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:21,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874472932] [2019-12-07 17:16:21,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594578489] [2019-12-07 17:16:21,245 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:21,264 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:16:21,264 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:21,265 INFO L264 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:16:21,266 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:21,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:21,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2019-12-07 17:16:21,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482255723] [2019-12-07 17:16:21,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 17:16:21,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:21,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:16:21,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:16:21,352 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 15 states. [2019-12-07 17:16:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:21,446 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-12-07 17:16:21,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:16:21,446 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-12-07 17:16:21,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:21,447 INFO L225 Difference]: With dead ends: 24 [2019-12-07 17:16:21,447 INFO L226 Difference]: Without dead ends: 23 [2019-12-07 17:16:21,447 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2019-12-07 17:16:21,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-12-07 17:16:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-12-07 17:16:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 17:16:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-12-07 17:16:21,449 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 17 [2019-12-07 17:16:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:21,450 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-12-07 17:16:21,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 17:16:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-12-07 17:16:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:16:21,450 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:21,450 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1] [2019-12-07 17:16:21,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:21,651 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:21,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:21,652 INFO L82 PathProgramCache]: Analyzing trace with hash 92020899, now seen corresponding path program 2 times [2019-12-07 17:16:21,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:21,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632911404] [2019-12-07 17:16:21,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:21,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632911404] [2019-12-07 17:16:21,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188196148] [2019-12-07 17:16:21,711 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:21,748 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:16:21,748 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:21,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:16:21,750 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:21,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:21,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-12-07 17:16:21,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939229914] [2019-12-07 17:16:21,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:16:21,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:21,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:16:21,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:16:21,759 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 6 states. [2019-12-07 17:16:21,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:21,853 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-12-07 17:16:21,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:16:21,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-12-07 17:16:21,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:21,855 INFO L225 Difference]: With dead ends: 33 [2019-12-07 17:16:21,855 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 17:16:21,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:16:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 17:16:21,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2019-12-07 17:16:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 17:16:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2019-12-07 17:16:21,860 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 19 [2019-12-07 17:16:21,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:21,861 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2019-12-07 17:16:21,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:16:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2019-12-07 17:16:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 17:16:21,862 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:21,862 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1] [2019-12-07 17:16:22,062 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:22,063 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:22,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1762227739, now seen corresponding path program 2 times [2019-12-07 17:16:22,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:22,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012341249] [2019-12-07 17:16:22,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:22,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012341249] [2019-12-07 17:16:22,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677763640] [2019-12-07 17:16:22,099 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/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 [2019-12-07 17:16:22,121 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:16:22,121 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:22,121 INFO L264 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 17:16:22,122 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:22,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:22,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2019-12-07 17:16:22,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353671027] [2019-12-07 17:16:22,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 17:16:22,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 17:16:22,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:16:22,125 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 7 states. [2019-12-07 17:16:22,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:22,175 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2019-12-07 17:16:22,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 17:16:22,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-12-07 17:16:22,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:22,176 INFO L225 Difference]: With dead ends: 35 [2019-12-07 17:16:22,176 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 17:16:22,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-12-07 17:16:22,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 17:16:22,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2019-12-07 17:16:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 17:16:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-12-07 17:16:22,178 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 21 [2019-12-07 17:16:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:22,179 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-12-07 17:16:22,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 17:16:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-12-07 17:16:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 17:16:22,179 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:22,179 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1] [2019-12-07 17:16:22,380 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:22,380 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:22,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:22,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1536395917, now seen corresponding path program 3 times [2019-12-07 17:16:22,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:22,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125697366] [2019-12-07 17:16:22,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:22,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125697366] [2019-12-07 17:16:22,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461567983] [2019-12-07 17:16:22,438 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:22,456 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-07 17:16:22,456 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:22,457 INFO L264 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 17:16:22,458 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:22,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:22,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2019-12-07 17:16:22,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442408194] [2019-12-07 17:16:22,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 17:16:22,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:22,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:16:22,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:16:22,518 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 15 states. [2019-12-07 17:16:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:22,731 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2019-12-07 17:16:22,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 17:16:22,732 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2019-12-07 17:16:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:22,732 INFO L225 Difference]: With dead ends: 40 [2019-12-07 17:16:22,732 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 17:16:22,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2019-12-07 17:16:22,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 17:16:22,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2019-12-07 17:16:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 17:16:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2019-12-07 17:16:22,736 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 26 [2019-12-07 17:16:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:22,737 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2019-12-07 17:16:22,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 17:16:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2019-12-07 17:16:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 17:16:22,738 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:22,738 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1] [2019-12-07 17:16:22,938 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:22,939 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:22,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:22,939 INFO L82 PathProgramCache]: Analyzing trace with hash 992275125, now seen corresponding path program 3 times [2019-12-07 17:16:22,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:22,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022588481] [2019-12-07 17:16:22,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:22,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022588481] [2019-12-07 17:16:22,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650566569] [2019-12-07 17:16:22,992 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:23,012 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-07 17:16:23,012 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:23,013 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:16:23,014 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:23,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:23,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2019-12-07 17:16:23,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409020488] [2019-12-07 17:16:23,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 17:16:23,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:23,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:16:23,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:16:23,068 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 15 states. [2019-12-07 17:16:23,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:23,243 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2019-12-07 17:16:23,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 17:16:23,243 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2019-12-07 17:16:23,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:23,244 INFO L225 Difference]: With dead ends: 58 [2019-12-07 17:16:23,244 INFO L226 Difference]: Without dead ends: 56 [2019-12-07 17:16:23,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2019-12-07 17:16:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-12-07 17:16:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2019-12-07 17:16:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 17:16:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2019-12-07 17:16:23,248 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 28 [2019-12-07 17:16:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:23,248 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2019-12-07 17:16:23,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 17:16:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2019-12-07 17:16:23,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 17:16:23,249 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:23,249 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 1, 1] [2019-12-07 17:16:23,449 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:23,450 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:23,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1564327795, now seen corresponding path program 4 times [2019-12-07 17:16:23,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:23,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066311438] [2019-12-07 17:16:23,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:23,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066311438] [2019-12-07 17:16:23,527 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532135546] [2019-12-07 17:16:23,527 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:23,550 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 17:16:23,550 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:23,550 INFO L264 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:16:23,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:23,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:23,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-12-07 17:16:23,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444860989] [2019-12-07 17:16:23,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 17:16:23,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:23,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 17:16:23,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:16:23,557 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 11 states. [2019-12-07 17:16:23,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:23,655 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2019-12-07 17:16:23,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 17:16:23,655 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2019-12-07 17:16:23,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:23,656 INFO L225 Difference]: With dead ends: 53 [2019-12-07 17:16:23,656 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 17:16:23,656 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2019-12-07 17:16:23,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 17:16:23,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2019-12-07 17:16:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 17:16:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2019-12-07 17:16:23,659 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 40 [2019-12-07 17:16:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:23,660 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2019-12-07 17:16:23,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 17:16:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2019-12-07 17:16:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-07 17:16:23,661 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:23,661 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 1, 1] [2019-12-07 17:16:23,861 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:23,861 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:23,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1573811037, now seen corresponding path program 5 times [2019-12-07 17:16:23,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:23,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21061924] [2019-12-07 17:16:23,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:23,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21061924] [2019-12-07 17:16:23,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558047059] [2019-12-07 17:16:23,949 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:23,973 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2019-12-07 17:16:23,974 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:23,974 INFO L264 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:16:23,975 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:23,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:23,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2019-12-07 17:16:23,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547733997] [2019-12-07 17:16:23,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 17:16:23,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:23,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 17:16:23,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-12-07 17:16:23,983 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 12 states. [2019-12-07 17:16:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:24,092 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-12-07 17:16:24,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 17:16:24,092 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2019-12-07 17:16:24,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:24,093 INFO L225 Difference]: With dead ends: 61 [2019-12-07 17:16:24,093 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 17:16:24,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2019-12-07 17:16:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 17:16:24,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-12-07 17:16:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 17:16:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2019-12-07 17:16:24,096 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 47 [2019-12-07 17:16:24,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:24,097 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2019-12-07 17:16:24,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 17:16:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2019-12-07 17:16:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 17:16:24,097 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:24,097 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 1, 1] [2019-12-07 17:16:24,298 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:24,298 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:24,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:24,299 INFO L82 PathProgramCache]: Analyzing trace with hash -603916827, now seen corresponding path program 4 times [2019-12-07 17:16:24,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:24,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612058837] [2019-12-07 17:16:24,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:24,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612058837] [2019-12-07 17:16:24,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573605099] [2019-12-07 17:16:24,389 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:24,409 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 17:16:24,409 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:24,410 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 17:16:24,411 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:24,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:24,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2019-12-07 17:16:24,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953643685] [2019-12-07 17:16:24,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 17:16:24,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:24,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 17:16:24,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-12-07 17:16:24,418 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 13 states. [2019-12-07 17:16:24,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:24,539 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-12-07 17:16:24,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 17:16:24,539 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2019-12-07 17:16:24,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:24,539 INFO L225 Difference]: With dead ends: 63 [2019-12-07 17:16:24,539 INFO L226 Difference]: Without dead ends: 62 [2019-12-07 17:16:24,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2019-12-07 17:16:24,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-12-07 17:16:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2019-12-07 17:16:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 17:16:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2019-12-07 17:16:24,543 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 49 [2019-12-07 17:16:24,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:24,543 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2019-12-07 17:16:24,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 17:16:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2019-12-07 17:16:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 17:16:24,544 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:24,544 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1] [2019-12-07 17:16:24,744 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:24,745 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:24,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:24,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1090881907, now seen corresponding path program 6 times [2019-12-07 17:16:24,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:24,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496644776] [2019-12-07 17:16:24,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:24,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496644776] [2019-12-07 17:16:24,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555635041] [2019-12-07 17:16:24,849 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:24,874 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2019-12-07 17:16:24,874 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:24,875 INFO L264 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:16:24,876 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:24,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:24,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2019-12-07 17:16:24,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761309891] [2019-12-07 17:16:24,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 17:16:24,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:24,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 17:16:24,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:16:24,883 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 14 states. [2019-12-07 17:16:25,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:25,023 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2019-12-07 17:16:25,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 17:16:25,024 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2019-12-07 17:16:25,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:25,024 INFO L225 Difference]: With dead ends: 68 [2019-12-07 17:16:25,024 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 17:16:25,024 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2019-12-07 17:16:25,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 17:16:25,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-12-07 17:16:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-12-07 17:16:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-12-07 17:16:25,028 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 54 [2019-12-07 17:16:25,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:25,028 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-12-07 17:16:25,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 17:16:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-12-07 17:16:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 17:16:25,028 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:25,028 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 1, 1] [2019-12-07 17:16:25,229 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:25,229 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:25,229 INFO L82 PathProgramCache]: Analyzing trace with hash 365493941, now seen corresponding path program 5 times [2019-12-07 17:16:25,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:25,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107293984] [2019-12-07 17:16:25,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:25,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107293984] [2019-12-07 17:16:25,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035276191] [2019-12-07 17:16:25,300 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:25,325 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2019-12-07 17:16:25,325 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:25,326 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:16:25,327 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:25,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:25,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2019-12-07 17:16:25,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130803510] [2019-12-07 17:16:25,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 17:16:25,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:25,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 17:16:25,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:16:25,335 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 14 states. [2019-12-07 17:16:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:25,477 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-12-07 17:16:25,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 17:16:25,478 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 56 [2019-12-07 17:16:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:25,478 INFO L225 Difference]: With dead ends: 70 [2019-12-07 17:16:25,478 INFO L226 Difference]: Without dead ends: 69 [2019-12-07 17:16:25,479 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=208, Invalid=442, Unknown=0, NotChecked=0, Total=650 [2019-12-07 17:16:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-12-07 17:16:25,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2019-12-07 17:16:25,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 17:16:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2019-12-07 17:16:25,482 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 56 [2019-12-07 17:16:25,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:25,486 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2019-12-07 17:16:25,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 17:16:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2019-12-07 17:16:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 17:16:25,487 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:25,487 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 1, 1] [2019-12-07 17:16:25,687 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:25,688 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:25,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:25,689 INFO L82 PathProgramCache]: Analyzing trace with hash -302873949, now seen corresponding path program 7 times [2019-12-07 17:16:25,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:25,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322827661] [2019-12-07 17:16:25,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:25,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322827661] [2019-12-07 17:16:25,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039749463] [2019-12-07 17:16:25,799 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:25,820 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 17:16:25,822 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:25,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:25,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2019-12-07 17:16:25,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324139007] [2019-12-07 17:16:25,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 17:16:25,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:25,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:16:25,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:16:25,830 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 15 states. [2019-12-07 17:16:25,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:25,997 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2019-12-07 17:16:25,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 17:16:25,997 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2019-12-07 17:16:25,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:25,998 INFO L225 Difference]: With dead ends: 75 [2019-12-07 17:16:25,998 INFO L226 Difference]: Without dead ends: 74 [2019-12-07 17:16:25,998 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2019-12-07 17:16:25,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-12-07 17:16:26,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2019-12-07 17:16:26,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-07 17:16:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2019-12-07 17:16:26,001 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 61 [2019-12-07 17:16:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:26,002 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2019-12-07 17:16:26,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 17:16:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2019-12-07 17:16:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 17:16:26,002 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:26,002 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 1, 1] [2019-12-07 17:16:26,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:26,203 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:26,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:26,203 INFO L82 PathProgramCache]: Analyzing trace with hash 995912677, now seen corresponding path program 6 times [2019-12-07 17:16:26,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:26,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322299108] [2019-12-07 17:16:26,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:26,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322299108] [2019-12-07 17:16:26,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978788807] [2019-12-07 17:16:26,298 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:26,324 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2019-12-07 17:16:26,324 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:26,324 INFO L264 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 17:16:26,326 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:26,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:26,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14 [2019-12-07 17:16:26,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876406398] [2019-12-07 17:16:26,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 17:16:26,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:26,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 17:16:26,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2019-12-07 17:16:26,337 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 16 states. [2019-12-07 17:16:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:26,513 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2019-12-07 17:16:26,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 17:16:26,514 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2019-12-07 17:16:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:26,514 INFO L225 Difference]: With dead ends: 77 [2019-12-07 17:16:26,514 INFO L226 Difference]: Without dead ends: 76 [2019-12-07 17:16:26,515 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2019-12-07 17:16:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-12-07 17:16:26,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2019-12-07 17:16:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-12-07 17:16:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2019-12-07 17:16:26,518 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 63 [2019-12-07 17:16:26,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:26,518 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2019-12-07 17:16:26,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 17:16:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2019-12-07 17:16:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-07 17:16:26,519 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:26,519 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 1, 1] [2019-12-07 17:16:26,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:26,720 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:26,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:26,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1637624973, now seen corresponding path program 8 times [2019-12-07 17:16:26,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:26,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281609587] [2019-12-07 17:16:26,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:26,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281609587] [2019-12-07 17:16:26,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400086738] [2019-12-07 17:16:26,817 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:26,842 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:16:26,842 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:26,842 INFO L264 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 17:16:26,843 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:26,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:26,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2019-12-07 17:16:26,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276128024] [2019-12-07 17:16:26,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 17:16:26,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:26,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 17:16:26,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-12-07 17:16:26,852 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 17 states. [2019-12-07 17:16:27,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:27,049 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2019-12-07 17:16:27,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 17:16:27,050 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 68 [2019-12-07 17:16:27,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:27,050 INFO L225 Difference]: With dead ends: 82 [2019-12-07 17:16:27,050 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 17:16:27,051 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=312, Invalid=680, Unknown=0, NotChecked=0, Total=992 [2019-12-07 17:16:27,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 17:16:27,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2019-12-07 17:16:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-12-07 17:16:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2019-12-07 17:16:27,054 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 68 [2019-12-07 17:16:27,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:27,054 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2019-12-07 17:16:27,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 17:16:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2019-12-07 17:16:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-07 17:16:27,054 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:27,055 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 1, 1] [2019-12-07 17:16:27,255 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:27,255 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:27,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:27,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1799567179, now seen corresponding path program 7 times [2019-12-07 17:16:27,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:27,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931617647] [2019-12-07 17:16:27,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:27,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931617647] [2019-12-07 17:16:27,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422001993] [2019-12-07 17:16:27,354 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:27,379 INFO L264 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 17:16:27,380 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:27,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:27,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2019-12-07 17:16:27,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189088923] [2019-12-07 17:16:27,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 17:16:27,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 17:16:27,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-12-07 17:16:27,389 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 17 states. [2019-12-07 17:16:27,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:27,570 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2019-12-07 17:16:27,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 17:16:27,570 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 70 [2019-12-07 17:16:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:27,571 INFO L225 Difference]: With dead ends: 84 [2019-12-07 17:16:27,571 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 17:16:27,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=312, Invalid=680, Unknown=0, NotChecked=0, Total=992 [2019-12-07 17:16:27,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 17:16:27,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2019-12-07 17:16:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-12-07 17:16:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2019-12-07 17:16:27,573 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 70 [2019-12-07 17:16:27,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:27,574 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2019-12-07 17:16:27,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 17:16:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2019-12-07 17:16:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-07 17:16:27,574 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:27,574 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1] [2019-12-07 17:16:27,775 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:27,775 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:27,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:27,775 INFO L82 PathProgramCache]: Analyzing trace with hash -2117273437, now seen corresponding path program 9 times [2019-12-07 17:16:27,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:27,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349586381] [2019-12-07 17:16:27,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:27,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349586381] [2019-12-07 17:16:27,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682244377] [2019-12-07 17:16:27,903 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:27,926 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-12-07 17:16:27,927 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:27,927 INFO L264 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-07 17:16:27,928 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 123 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-07 17:16:29,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:29,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 35 [2019-12-07 17:16:29,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622192053] [2019-12-07 17:16:29,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-07 17:16:29,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:29,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-07 17:16:29,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1148, Unknown=1, NotChecked=0, Total=1260 [2019-12-07 17:16:29,339 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 36 states. [2019-12-07 17:16:30,732 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2019-12-07 17:16:31,152 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-12-07 17:16:31,372 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 17:16:31,557 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-12-07 17:16:31,759 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-12-07 17:16:32,236 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-07 17:16:32,401 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 17:16:32,560 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-12-07 17:16:32,902 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-12-07 17:16:33,071 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 17:16:33,274 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-12-07 17:16:33,563 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-12-07 17:16:34,063 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-07 17:16:34,239 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 17:16:34,442 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-12-07 17:16:35,132 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 54 [2019-12-07 17:16:35,347 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-12-07 17:16:35,690 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2019-12-07 17:16:35,907 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-07 17:16:36,116 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 17:16:36,344 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-12-07 17:16:37,781 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-12-07 17:16:38,691 WARN L192 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2019-12-07 17:16:38,932 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-12-07 17:16:39,906 WARN L192 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-12-07 17:16:40,141 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2019-12-07 17:16:40,330 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2019-12-07 17:16:41,237 WARN L192 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-12-07 17:16:41,603 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-12-07 17:16:42,699 WARN L192 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-12-07 17:16:43,124 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-12-07 17:16:43,465 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-12-07 17:16:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:43,481 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2019-12-07 17:16:43,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-12-07 17:16:43,481 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 75 [2019-12-07 17:16:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:43,482 INFO L225 Difference]: With dead ends: 88 [2019-12-07 17:16:43,482 INFO L226 Difference]: Without dead ends: 87 [2019-12-07 17:16:43,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=1674, Invalid=7637, Unknown=1, NotChecked=0, Total=9312 [2019-12-07 17:16:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-07 17:16:43,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2019-12-07 17:16:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 17:16:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2019-12-07 17:16:43,488 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 75 [2019-12-07 17:16:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:43,488 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2019-12-07 17:16:43,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-07 17:16:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2019-12-07 17:16:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-07 17:16:43,488 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:43,488 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 1, 1] [2019-12-07 17:16:43,689 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:43,689 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:43,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:43,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1114726885, now seen corresponding path program 8 times [2019-12-07 17:16:43,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:43,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794882528] [2019-12-07 17:16:43,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:43,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794882528] [2019-12-07 17:16:43,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355337750] [2019-12-07 17:16:43,810 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:43,834 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:16:43,834 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:43,835 INFO L264 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 17:16:43,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:43,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:43,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 17 [2019-12-07 17:16:43,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84229602] [2019-12-07 17:16:43,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-12-07 17:16:43,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:43,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-12-07 17:16:43,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2019-12-07 17:16:43,848 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 19 states. [2019-12-07 17:16:44,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:44,071 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2019-12-07 17:16:44,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 17:16:44,071 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2019-12-07 17:16:44,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:44,072 INFO L225 Difference]: With dead ends: 90 [2019-12-07 17:16:44,072 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 17:16:44,073 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=393, Invalid=867, Unknown=0, NotChecked=0, Total=1260 [2019-12-07 17:16:44,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 17:16:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2019-12-07 17:16:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 17:16:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2019-12-07 17:16:44,076 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 77 [2019-12-07 17:16:44,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:44,076 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2019-12-07 17:16:44,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-12-07 17:16:44,076 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2019-12-07 17:16:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-07 17:16:44,077 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:44,077 INFO L410 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1] [2019-12-07 17:16:44,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:44,278 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 17:16:44,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:44,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1874390347, now seen corresponding path program 9 times [2019-12-07 17:16:44,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:16:44,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747682418] [2019-12-07 17:16:44,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:16:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:44,425 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747682418] [2019-12-07 17:16:44,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611606188] [2019-12-07 17:16:44,426 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:16:44,459 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-12-07 17:16:44,459 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:16:44,460 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 34 conjunts are in the unsatisfiable core [2019-12-07 17:16:44,461 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 145 proven. 295 refuted. 2 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-07 17:16:50,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:16:50,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 27] total 45 [2019-12-07 17:16:50,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575669647] [2019-12-07 17:16:50,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-12-07 17:16:50,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:16:50,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-12-07 17:16:50,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1913, Unknown=4, NotChecked=0, Total=2070 [2019-12-07 17:16:50,236 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 46 states. [2019-12-07 17:16:55,246 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 31 [2019-12-07 17:16:58,335 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2019-12-07 17:17:06,810 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 105 DAG size of output: 54 [2019-12-07 17:17:11,887 WARN L192 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2019-12-07 17:17:16,565 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-12-07 17:17:20,107 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-12-07 17:17:29,190 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-12-07 17:17:30,113 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-12-07 17:17:32,108 WARN L192 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-12-07 17:17:36,524 WARN L192 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 114 [2019-12-07 17:17:41,439 WARN L192 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 77 [2019-12-07 17:17:46,293 WARN L192 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 106 [2019-12-07 17:17:55,172 WARN L192 SmtUtils]: Spent 8.70 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-12-07 17:17:59,887 WARN L192 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 130 DAG size of output: 55 [2019-12-07 17:18:04,356 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2019-12-07 17:18:07,677 WARN L192 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 133 DAG size of output: 64 [2019-12-07 17:18:11,225 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2019-12-07 17:18:17,611 WARN L192 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 142 DAG size of output: 72 [2019-12-07 17:18:20,525 WARN L192 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 144 DAG size of output: 74 [2019-12-07 17:18:25,258 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-12-07 17:18:30,498 WARN L192 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 164 DAG size of output: 106 [2019-12-07 17:18:41,872 WARN L192 SmtUtils]: Spent 9.86 s on a formula simplification. DAG size of input: 171 DAG size of output: 107 [2019-12-07 17:18:52,627 WARN L192 SmtUtils]: Spent 10.48 s on a formula simplification. DAG size of input: 172 DAG size of output: 104 [2019-12-07 17:19:01,401 WARN L192 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 174 DAG size of output: 80 [2019-12-07 17:19:08,543 WARN L192 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-12-07 17:19:18,156 WARN L192 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 163 DAG size of output: 105 [2019-12-07 17:19:33,782 WARN L192 SmtUtils]: Spent 14.48 s on a formula simplification. DAG size of input: 170 DAG size of output: 106 [2019-12-07 17:19:45,190 WARN L192 SmtUtils]: Spent 8.69 s on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2019-12-07 17:19:54,880 WARN L192 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 173 DAG size of output: 79 [2019-12-07 17:20:01,031 WARN L192 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-12-07 17:20:17,179 WARN L192 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 164 DAG size of output: 106 [2019-12-07 17:20:24,802 WARN L192 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 171 DAG size of output: 107 [2019-12-07 17:20:47,333 WARN L192 SmtUtils]: Spent 17.59 s on a formula simplification. DAG size of input: 172 DAG size of output: 104 [2019-12-07 17:20:56,923 WARN L192 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 174 DAG size of output: 80 [2019-12-07 17:21:03,721 WARN L192 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-12-07 17:21:12,173 WARN L192 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 163 DAG size of output: 105 [2019-12-07 17:21:24,469 WARN L192 SmtUtils]: Spent 8.13 s on a formula simplification. DAG size of input: 170 DAG size of output: 106 [2019-12-07 17:21:35,663 WARN L192 SmtUtils]: Spent 7.21 s on a formula simplification. DAG size of input: 171 DAG size of output: 103 [2019-12-07 17:21:49,357 WARN L192 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 173 DAG size of output: 79 [2019-12-07 17:21:56,961 WARN L192 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2019-12-07 17:22:16,527 WARN L192 SmtUtils]: Spent 9.74 s on a formula simplification. DAG size of input: 164 DAG size of output: 106 [2019-12-07 17:22:34,093 WARN L192 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 171 DAG size of output: 107 [2019-12-07 17:22:45,691 WARN L192 SmtUtils]: Spent 9.00 s on a formula simplification. DAG size of input: 172 DAG size of output: 104 [2019-12-07 17:23:02,084 WARN L192 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 174 DAG size of output: 80 [2019-12-07 17:23:10,582 WARN L192 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2019-12-07 17:23:27,613 WARN L192 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 163 DAG size of output: 105 [2019-12-07 17:24:08,591 WARN L192 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 171 DAG size of output: 135 [2019-12-07 17:24:48,064 WARN L192 SmtUtils]: Spent 32.19 s on a formula simplification. DAG size of input: 171 DAG size of output: 129 [2019-12-07 17:25:10,410 WARN L192 SmtUtils]: Spent 13.91 s on a formula simplification. DAG size of input: 173 DAG size of output: 108 [2019-12-07 17:25:27,000 WARN L192 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2019-12-07 17:25:42,571 WARN L192 SmtUtils]: Spent 6.41 s on a formula simplification that was a NOOP. DAG size: 164 [2019-12-07 17:26:23,424 WARN L192 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 183 DAG size of output: 160 [2019-12-07 17:26:52,206 WARN L192 SmtUtils]: Spent 11.70 s on a formula simplification. DAG size of input: 183 DAG size of output: 156 [2019-12-07 17:27:12,973 WARN L192 SmtUtils]: Spent 9.09 s on a formula simplification. DAG size of input: 185 DAG size of output: 140 [2019-12-07 17:27:25,332 WARN L192 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 154 [2019-12-07 17:27:35,207 WARN L192 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 176 [2019-12-07 17:28:01,796 WARN L192 SmtUtils]: Spent 7.10 s on a formula simplification. DAG size of input: 179 DAG size of output: 169 [2019-12-07 17:28:48,514 WARN L192 SmtUtils]: Spent 15.02 s on a formula simplification. DAG size of input: 181 DAG size of output: 169 [2019-12-07 17:29:27,684 WARN L192 SmtUtils]: Spent 17.63 s on a formula simplification. DAG size of input: 183 DAG size of output: 171 [2019-12-07 17:29:29,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:29,765 INFO L93 Difference]: Finished difference Result 96 states and 97 transitions. [2019-12-07 17:29:29,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-12-07 17:29:29,767 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 84 [2019-12-07 17:29:29,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:29:29,767 INFO L225 Difference]: With dead ends: 96 [2019-12-07 17:29:29,767 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:29:29,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2821 ImplicationChecksByTransitivity, 696.0s TimeCoverageRelationStatistics Valid=2103, Invalid=10492, Unknown=61, NotChecked=0, Total=12656 [2019-12-07 17:29:29,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:29:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:29:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:29:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:29:29,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2019-12-07 17:29:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:29:29,771 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:29,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-12-07 17:29:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:29:29,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:29:29,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:29:29,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:29:58,741 WARN L192 SmtUtils]: Spent 28.66 s on a formula simplification. DAG size of input: 312 DAG size of output: 131 [2019-12-07 17:29:58,743 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L249 CegarLoopResult]: At program point L28(lines 16 29) the Hoare annotation is: true [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2019-12-07 17:29:58,744 INFO L246 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2019-12-07 17:29:58,745 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (let ((.cse12 (+ ULTIMATE.start_main_~d1old~0 ULTIMATE.start_main_~x~0)) (.cse11 (+ ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0))) (let ((.cse1 (<= ULTIMATE.start_main_~d2~0 74)) (.cse0 (<= 74 ULTIMATE.start_main_~d2~0)) (.cse3 (<= 73 ULTIMATE.start_main_~d1old~0)) (.cse2 (<= 75 ULTIMATE.start_main_~d1~0)) (.cse4 (<= 1 .cse11)) (.cse5 (<= .cse12 2147483647))) (or (and .cse0 (<= 73 ULTIMATE.start_main_~d1~0) (<= ULTIMATE.start_main_~d1~0 73) .cse1 (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~d1~0 2147483574))) (and .cse2 (<= ULTIMATE.start_main_~d1old~0 73) .cse0 .cse3 .cse4 .cse5 (<= ULTIMATE.start_main_~d1~0 75) .cse1) (and .cse0 (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int)) (let ((.cse6 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (let ((.cse7 (* .cse6 (- 1)))) (and (<= (+ ULTIMATE.start_main_~d1old~0 .cse6 v_prenex_2 ULTIMATE.start_main_~x~0) 2147483640) (<= (+ ULTIMATE.start_main_~d1old~0 .cse6 ULTIMATE.start_main_~x~0 4) v_ULTIMATE.start_main_~x~0_33) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) .cse7 (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) ULTIMATE.start_main_~d1old~0 ULTIMATE.start_main_~x~0 1) v_ULTIMATE.start_main_~x~0_33) (<= (+ ULTIMATE.start_main_~d1old~0 v_ULTIMATE.start_main_~x~0_33) 2147483649) (<= ULTIMATE.start_main_~d1old~0 (div (+ .cse7 (* ULTIMATE.start_main_~x~0 (- 1)) 2147483645) 2)) (<= (+ v_ULTIMATE.start_main_~x~0_30 ULTIMATE.start_main_~d1old~0 ULTIMATE.start_main_~x~0) 4294967290))))) (exists ((v_prenex_1 Int)) (let ((.cse8 (div (+ v_prenex_1 2147483644) (- 2)))) (and (<= (+ ULTIMATE.start_main_~d2~0 v_prenex_1 ULTIMATE.start_main_~x~0 .cse8) 2147483645) (<= ULTIMATE.start_main_~d2~0 (+ (div (+ (* ULTIMATE.start_main_~x~0 (- 1)) (* .cse8 (- 1)) 2147483647) 2) 1))))) (<= ULTIMATE.start_main_~x~0 2147483499) .cse3 (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int)) (let ((.cse9 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (let ((.cse10 (* .cse9 (- 1)))) (and (<= (+ .cse9 ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0 3) v_ULTIMATE.start_main_~x~0_33) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ v_ULTIMATE.start_main_~x~0_33 ULTIMATE.start_main_~d2~0) 2147483650) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) .cse10 (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0) v_ULTIMATE.start_main_~x~0_33) (<= ULTIMATE.start_main_~d2~0 (+ (div (+ .cse10 (* ULTIMATE.start_main_~x~0 (- 1)) 2147483645) 2) 1)) (<= (+ .cse9 v_prenex_2 ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0) 2147483641) (<= (+ v_ULTIMATE.start_main_~x~0_30 ULTIMATE.start_main_~d2~0 ULTIMATE.start_main_~x~0) 4294967291))))) .cse2 (<= .cse11 2147483648) (<= 0 .cse12) (exists ((v_prenex_1 Int)) (let ((.cse13 (div (+ v_prenex_1 2147483644) (- 2)))) (and (<= (+ (* 2 ULTIMATE.start_main_~d1old~0) ULTIMATE.start_main_~x~0 .cse13) 2147483647) (<= (+ ULTIMATE.start_main_~d1old~0 v_prenex_1 ULTIMATE.start_main_~x~0 .cse13) 2147483644)))) .cse4 .cse5 (exists ((v_ULTIMATE.start_main_~x~0_30 Int) (v_prenex_2 Int) (v_ULTIMATE.start_main_~x~0_33 Int) (ULTIMATE.start_main_~x~0 Int)) (let ((.cse14 (div (+ v_ULTIMATE.start_main_~x~0_30 v_prenex_2 (- 3)) (- 2)))) (let ((.cse15 (* .cse14 (- 1)))) (and (<= (+ .cse14 v_prenex_2 ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0) 2147483642) (<= ULTIMATE.start_main_~d1~0 (+ (div (+ .cse15 (* ULTIMATE.start_main_~x~0 (- 1)) 2147483645) 2) 2)) (<= (+ v_ULTIMATE.start_main_~x~0_30 ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0) 4294967292) (<= (+ v_prenex_2 v_ULTIMATE.start_main_~x~0_33) 2147483644) (<= (+ ULTIMATE.start_main_~d1~0 v_ULTIMATE.start_main_~x~0_33) 2147483651) (<= (+ .cse14 ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0 2) v_ULTIMATE.start_main_~x~0_33) (<= 0 ULTIMATE.start_main_~x~0) (<= (+ (div (+ (* v_ULTIMATE.start_main_~x~0_30 (- 1)) .cse15 (* v_ULTIMATE.start_main_~x~0_33 (- 1)) 4294967288) (- 2)) ULTIMATE.start_main_~d1~0 ULTIMATE.start_main_~x~0) (+ v_ULTIMATE.start_main_~x~0_33 1)))))))))) [2019-12-07 17:29:58,745 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-12-07 17:29:58,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:29:58 BoogieIcfgContainer [2019-12-07 17:29:58,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:29:58,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:29:58,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:29:58,792 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:29:58,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:16:18" (3/4) ... [2019-12-07 17:29:58,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:29:58,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 17:29:58,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:29:58,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((74 <= d2 && 73 <= d1) && d1 <= 73) && d2 <= 74) && x <= d1 + 2147483574) || (((((((75 <= d1 && d1\old <= 73) && 74 <= d2) && 73 <= d1\old) && 1 <= d2 + x) && d1\old + x <= 2147483647) && d1 <= 75) && d2 <= 74)) || ((((((((((((74 <= d2 && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: (((((d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + x <= 2147483640 && d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + x + 4 <= v_ULTIMATE.start_main_~x~0_33) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1\old + x + 1 <= v_ULTIMATE.start_main_~x~0_33) && d1\old + v_ULTIMATE.start_main_~x~0_33 <= 2147483649) && d1\old <= ((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + x * -1 + 2147483645) / 2) && v_ULTIMATE.start_main_~x~0_30 + d1\old + x <= 4294967290)) && (\exists v_prenex_1 : int :: d2 + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483645 && d2 <= (x * -1 + (v_prenex_1 + 2147483644) / -2 * -1 + 2147483647) / 2 + 1)) && x <= 2147483499) && 73 <= d1\old) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: ((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d2 + x + 3 <= v_ULTIMATE.start_main_~x~0_33 && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && v_ULTIMATE.start_main_~x~0_33 + d2 <= 2147483650) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d2 + x <= v_ULTIMATE.start_main_~x~0_33) && d2 <= ((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + x * -1 + 2147483645) / 2 + 1) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d2 + x <= 2147483641) && v_ULTIMATE.start_main_~x~0_30 + d2 + x <= 4294967291)) && 75 <= d1) && d2 + x <= 2147483648) && 0 <= d1\old + x) && (\exists v_prenex_1 : int :: 2 * d1\old + x + (v_prenex_1 + 2147483644) / -2 <= 2147483647 && d1\old + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483644)) && 1 <= d2 + x) && d1\old + x <= 2147483647) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int, ULTIMATE.start_main_~x~0 : int :: (((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d1 + ULTIMATE.start_main_~x~0 <= 2147483642 && d1 <= ((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + ULTIMATE.start_main_~x~0 * -1 + 2147483645) / 2 + 2) && v_ULTIMATE.start_main_~x~0_30 + d1 + ULTIMATE.start_main_~x~0 <= 4294967292) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && d1 + v_ULTIMATE.start_main_~x~0_33 <= 2147483651) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d1 + ULTIMATE.start_main_~x~0 + 2 <= v_ULTIMATE.start_main_~x~0_33) && 0 <= ULTIMATE.start_main_~x~0) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1 + ULTIMATE.start_main_~x~0 <= v_ULTIMATE.start_main_~x~0_33 + 1)) [2019-12-07 17:29:58,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8b53216c-6875-4021-a644-b48e6d5b94a0/bin/uautomizer/witness.graphml [2019-12-07 17:29:58,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:29:58,829 INFO L168 Benchmark]: Toolchain (without parser) took 820440.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:58,829 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:58,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:58,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:58,829 INFO L168 Benchmark]: Boogie Preprocessor took 11.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:58,830 INFO L168 Benchmark]: RCFGBuilder took 134.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:58,830 INFO L168 Benchmark]: TraceAbstraction took 820060.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.1 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:58,830 INFO L168 Benchmark]: Witness Printer took 36.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:58,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 134.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 820060.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.1 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2019-12-07 17:29:58,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,850 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_30,QUANTIFIED] [2019-12-07 17:29:58,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2019-12-07 17:29:58,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] [2019-12-07 17:29:58,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2019-12-07 17:29:58,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_33,QUANTIFIED] Derived loop invariant: (((((74 <= d2 && 73 <= d1) && d1 <= 73) && d2 <= 74) && x <= d1 + 2147483574) || (((((((75 <= d1 && d1\old <= 73) && 74 <= d2) && 73 <= d1\old) && 1 <= d2 + x) && d1\old + x <= 2147483647) && d1 <= 75) && d2 <= 74)) || ((((((((((((74 <= d2 && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: (((((d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + x <= 2147483640 && d1\old + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + x + 4 <= v_ULTIMATE.start_main_~x~0_33) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1\old + x + 1 <= v_ULTIMATE.start_main_~x~0_33) && d1\old + v_ULTIMATE.start_main_~x~0_33 <= 2147483649) && d1\old <= ((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + x * -1 + 2147483645) / 2) && v_ULTIMATE.start_main_~x~0_30 + d1\old + x <= 4294967290)) && (\exists v_prenex_1 : int :: d2 + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483645 && d2 <= (x * -1 + (v_prenex_1 + 2147483644) / -2 * -1 + 2147483647) / 2 + 1)) && x <= 2147483499) && 73 <= d1\old) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int :: ((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d2 + x + 3 <= v_ULTIMATE.start_main_~x~0_33 && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && v_ULTIMATE.start_main_~x~0_33 + d2 <= 2147483650) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d2 + x <= v_ULTIMATE.start_main_~x~0_33) && d2 <= ((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + x * -1 + 2147483645) / 2 + 1) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d2 + x <= 2147483641) && v_ULTIMATE.start_main_~x~0_30 + d2 + x <= 4294967291)) && 75 <= d1) && d2 + x <= 2147483648) && 0 <= d1\old + x) && (\exists v_prenex_1 : int :: 2 * d1\old + x + (v_prenex_1 + 2147483644) / -2 <= 2147483647 && d1\old + v_prenex_1 + x + (v_prenex_1 + 2147483644) / -2 <= 2147483644)) && 1 <= d2 + x) && d1\old + x <= 2147483647) && (\exists v_ULTIMATE.start_main_~x~0_30 : int, v_prenex_2 : int, v_ULTIMATE.start_main_~x~0_33 : int, ULTIMATE.start_main_~x~0 : int :: (((((((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + v_prenex_2 + d1 + ULTIMATE.start_main_~x~0 <= 2147483642 && d1 <= ((v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + ULTIMATE.start_main_~x~0 * -1 + 2147483645) / 2 + 2) && v_ULTIMATE.start_main_~x~0_30 + d1 + ULTIMATE.start_main_~x~0 <= 4294967292) && v_prenex_2 + v_ULTIMATE.start_main_~x~0_33 <= 2147483644) && d1 + v_ULTIMATE.start_main_~x~0_33 <= 2147483651) && (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 + d1 + ULTIMATE.start_main_~x~0 + 2 <= v_ULTIMATE.start_main_~x~0_33) && 0 <= ULTIMATE.start_main_~x~0) && (v_ULTIMATE.start_main_~x~0_30 * -1 + (v_ULTIMATE.start_main_~x~0_30 + v_prenex_2 + -3) / -2 * -1 + v_ULTIMATE.start_main_~x~0_33 * -1 + 4294967288) / -2 + d1 + ULTIMATE.start_main_~x~0 <= v_ULTIMATE.start_main_~x~0_33 + 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 6 error locations. Result: SAFE, OverallTime: 791.2s, OverallIterations: 29, TraceHistogramMax: 12, AutomataDifference: 776.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.7s, HoareTripleCheckerStatistics: 189 SDtfs, 1510 SDslu, 499 SDs, 0 SdLazy, 3228 SolverSat, 912 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 69.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1428 GetRequests, 828 SyntacticMatches, 1 SemanticMatches, 599 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6354 ImplicationChecksByTransitivity, 713.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 29 MinimizatonAttempts, 114 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 17 NumberOfFragments, 394 HoareAnnotationTreeSize, 2 FomulaSimplifications, 27290 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 2 FomulaSimplificationsInter, 58609 FormulaSimplificationTreeSizeReductionInter, 28.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1880 NumberOfCodeBlocks, 1859 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 1829 ConstructedInterpolants, 77 QuantifiedInterpolants, 580867 SizeOfPredicates, 191 NumberOfNonLiveVariables, 2070 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 51 InterpolantComputations, 8 PerfectInterpolantSequences, 402/6225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...