./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:12,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:12,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:12,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:12,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:12,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:12,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:12,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:12,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:12,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:12,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:12,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:12,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:12,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:12,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:12,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:12,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:12,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:12,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:12,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:12,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:12,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:12,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:12,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:12,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:12,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:12,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:12,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:12,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:12,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:12,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:12,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:12,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:12,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:12,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:12,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:12,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:12,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:12,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:12,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:12,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:12,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-19 14:00:12,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:12,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:12,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:12,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:12,810 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:12,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:12,811 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:12,811 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:00:12,811 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:12,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:12,812 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:00:12,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:00:12,813 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:12,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:00:12,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:00:12,814 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:00:12,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:12,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:00:12,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:00:12,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:00:12,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:00:12,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:12,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:12,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:12,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:12,816 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 14:00:12,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:00:12,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:12,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:12,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:12,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:12,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:12,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:12,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:12,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:12,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:12,820 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:00:12,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:00:12,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:12,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:12,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:12,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2021-11-19 14:00:13,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:13,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:13,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:13,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:13,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:13,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2021-11-19 14:00:13,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/data/ef814cd18/470d7fe307124005abb2ed3025731b1a/FLAGb4f2a4242 [2021-11-19 14:00:13,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:13,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2021-11-19 14:00:13,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/data/ef814cd18/470d7fe307124005abb2ed3025731b1a/FLAGb4f2a4242 [2021-11-19 14:00:14,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/data/ef814cd18/470d7fe307124005abb2ed3025731b1a [2021-11-19 14:00:14,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:14,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:14,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:14,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:14,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:14,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd44cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14, skipping insertion in model container [2021-11-19 14:00:14,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:14,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:14,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2021-11-19 14:00:14,412 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:14,419 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:14,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2021-11-19 14:00:14,433 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:14,446 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:14,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14 WrapperNode [2021-11-19 14:00:14,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:14,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:14,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:14,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:14,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,475 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2021-11-19 14:00:14,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:14,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:14,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:14,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:14,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:14,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:14,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:14,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:14,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (1/1) ... [2021-11-19 14:00:14,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:14,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:14,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:14,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:00:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:14,646 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:14,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:00:14,757 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:00:14,781 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:00:14,782 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:00:14,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:14 BoogieIcfgContainer [2021-11-19 14:00:14,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:00:14,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:00:14,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:00:14,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:00:14,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:00:14" (1/3) ... [2021-11-19 14:00:14,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc213c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:14, skipping insertion in model container [2021-11-19 14:00:14,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:14" (2/3) ... [2021-11-19 14:00:14,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc213c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:14, skipping insertion in model container [2021-11-19 14:00:14,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:14" (3/3) ... [2021-11-19 14:00:14,796 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark20_conjunctive.i [2021-11-19 14:00:14,802 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:00:14,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-19 14:00:14,872 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:00:14,884 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:00:14,884 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 14:00:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 14:00:14,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:14,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 14:00:14,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:14,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:14,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2092610, now seen corresponding path program 1 times [2021-11-19 14:00:14,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:14,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58052420] [2021-11-19 14:00:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:14,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:15,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:15,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58052420] [2021-11-19 14:00:15,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58052420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:15,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:15,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:00:15,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056142221] [2021-11-19 14:00:15,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:15,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:00:15,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:15,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:00:15,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:15,216 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:15,326 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2021-11-19 14:00:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:00:15,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-19 14:00:15,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:15,337 INFO L225 Difference]: With dead ends: 19 [2021-11-19 14:00:15,337 INFO L226 Difference]: Without dead ends: 14 [2021-11-19 14:00:15,340 INFO L932 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 [2021-11-19 14:00:15,347 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:15,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:00:15,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-19 14:00:15,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2021-11-19 14:00:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-11-19 14:00:15,405 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2021-11-19 14:00:15,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:15,405 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-11-19 14:00:15,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-11-19 14:00:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 14:00:15,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:15,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 14:00:15,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:00:15,409 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 64870960, now seen corresponding path program 1 times [2021-11-19 14:00:15,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:15,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694762622] [2021-11-19 14:00:15,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:15,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:15,486 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:15,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694762622] [2021-11-19 14:00:15,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694762622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:15,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:15,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:00:15,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650739354] [2021-11-19 14:00:15,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:15,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:00:15,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:15,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:00:15,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:15,490 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:15,525 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2021-11-19 14:00:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:00:15,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-19 14:00:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:15,526 INFO L225 Difference]: With dead ends: 15 [2021-11-19 14:00:15,527 INFO L226 Difference]: Without dead ends: 14 [2021-11-19 14:00:15,527 INFO L932 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 [2021-11-19 14:00:15,529 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:15,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:15,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-19 14:00:15,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-19 14:00:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-19 14:00:15,534 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2021-11-19 14:00:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:15,534 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-19 14:00:15,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-11-19 14:00:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 14:00:15,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:15,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 14:00:15,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:00:15,536 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:15,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:15,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2010999812, now seen corresponding path program 1 times [2021-11-19 14:00:15,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:15,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888119335] [2021-11-19 14:00:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:15,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:15,594 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:15,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888119335] [2021-11-19 14:00:15,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888119335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:15,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:15,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:00:15,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511867266] [2021-11-19 14:00:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:15,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:00:15,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:00:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:00:15,601 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:15,659 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2021-11-19 14:00:15,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:00:15,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 14:00:15,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:15,662 INFO L225 Difference]: With dead ends: 18 [2021-11-19 14:00:15,663 INFO L226 Difference]: Without dead ends: 17 [2021-11-19 14:00:15,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:00:15,666 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:15,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-19 14:00:15,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2021-11-19 14:00:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-11-19 14:00:15,678 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 6 [2021-11-19 14:00:15,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:15,679 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-11-19 14:00:15,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-11-19 14:00:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 14:00:15,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:15,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:15,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 14:00:15,681 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2083515214, now seen corresponding path program 1 times [2021-11-19 14:00:15,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:15,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924347917] [2021-11-19 14:00:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:15,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:15,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:15,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924347917] [2021-11-19 14:00:15,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924347917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:15,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:15,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:00:15,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202444405] [2021-11-19 14:00:15,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:15,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:00:15,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:15,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:00:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:00:15,735 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:15,778 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2021-11-19 14:00:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:00:15,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-19 14:00:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:15,779 INFO L225 Difference]: With dead ends: 15 [2021-11-19 14:00:15,779 INFO L226 Difference]: Without dead ends: 14 [2021-11-19 14:00:15,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:00:15,781 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:15,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 2 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:15,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-19 14:00:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-19 14:00:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-19 14:00:15,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2021-11-19 14:00:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:15,787 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-19 14:00:15,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-11-19 14:00:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:00:15,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:15,788 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:15,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 14:00:15,789 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:15,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:15,789 INFO L85 PathProgramCache]: Analyzing trace with hash -803359244, now seen corresponding path program 1 times [2021-11-19 14:00:15,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:15,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340555438] [2021-11-19 14:00:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:15,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:15,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:15,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340555438] [2021-11-19 14:00:15,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340555438] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:15,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470980722] [2021-11-19 14:00:15,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:15,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:15,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:15,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:00:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:15,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:00:15,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:16,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:16,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470980722] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:00:16,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [996334371] [2021-11-19 14:00:16,213 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:00:16,214 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:00:16,218 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:00:16,224 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:00:16,225 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:00:16,267 INFO L180 QuantifierPusher]: treesize reduction 24, result has 77.8 percent of original size [2021-11-19 14:00:16,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 14:00:16,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:16,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-19 14:00:16,290 INFO L180 QuantifierPusher]: treesize reduction 5, result has 94.9 percent of original size [2021-11-19 14:00:16,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-19 14:00:16,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,511 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-19 14:00:16,570 INFO L185 QuantifierPusher]: treesize reduction 16, result has 90.4 percent of original size 151 [2021-11-19 14:00:16,586 INFO L180 QuantifierPusher]: treesize reduction 16, result has 91.6 percent of original size [2021-11-19 14:00:16,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-19 14:00:16,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,710 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:16,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:16,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:16,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 14:00:16,731 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:16,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:16,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:16,888 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:00:17,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:17,749 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:00:17,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2021-11-19 14:00:17,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696157863] [2021-11-19 14:00:17,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:00:17,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:00:17,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:17,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:00:17,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:00:17,752 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:17,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:17,846 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-11-19 14:00:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:00:17,847 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 14:00:17,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:17,848 INFO L225 Difference]: With dead ends: 25 [2021-11-19 14:00:17,848 INFO L226 Difference]: Without dead ends: 24 [2021-11-19 14:00:17,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:00:17,850 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 15 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:17,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 6 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:00:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-19 14:00:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2021-11-19 14:00:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-11-19 14:00:17,856 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2021-11-19 14:00:17,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:17,856 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-11-19 14:00:17,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-19 14:00:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 14:00:17,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:17,858 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:17,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:18,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:18,074 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:18,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:18,075 INFO L85 PathProgramCache]: Analyzing trace with hash 865667262, now seen corresponding path program 1 times [2021-11-19 14:00:18,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:18,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392303618] [2021-11-19 14:00:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:18,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:18,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:18,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392303618] [2021-11-19 14:00:18,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392303618] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:18,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947491284] [2021-11-19 14:00:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:18,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:18,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:18,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:18,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:00:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:18,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:00:18,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:18,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:18,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947491284] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:18,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:00:18,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 10 [2021-11-19 14:00:18,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004938051] [2021-11-19 14:00:18,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:18,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:00:18,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:00:18,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:00:18,397 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:18,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:18,444 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2021-11-19 14:00:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:00:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-19 14:00:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:18,447 INFO L225 Difference]: With dead ends: 22 [2021-11-19 14:00:18,447 INFO L226 Difference]: Without dead ends: 21 [2021-11-19 14:00:18,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:00:18,450 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:18,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 1 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:18,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-19 14:00:18,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-19 14:00:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-11-19 14:00:18,456 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 10 [2021-11-19 14:00:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:18,456 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-11-19 14:00:18,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-19 14:00:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 14:00:18,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:18,457 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2021-11-19 14:00:18,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-19 14:00:18,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:18,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:18,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:18,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1065881398, now seen corresponding path program 1 times [2021-11-19 14:00:18,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:18,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388635577] [2021-11-19 14:00:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:18,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:18,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:18,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388635577] [2021-11-19 14:00:18,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388635577] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:18,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372273436] [2021-11-19 14:00:18,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:18,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:18,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:18,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:18,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:00:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:18,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:00:18,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:18,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:18,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:18,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372273436] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:00:18,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [61519724] [2021-11-19 14:00:18,866 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:00:18,866 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:00:18,866 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:00:18,867 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:00:18,867 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:00:18,883 INFO L180 QuantifierPusher]: treesize reduction 24, result has 77.8 percent of original size [2021-11-19 14:00:18,889 INFO L185 QuantifierPusher]: treesize reduction 8, result has 89.3 percent of original size 67 [2021-11-19 14:00:18,894 INFO L180 QuantifierPusher]: treesize reduction 8, result has 91.0 percent of original size [2021-11-19 14:00:18,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:00:18,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,906 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-19 14:00:18,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:18,947 INFO L180 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-11-19 14:00:18,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-19 14:00:18,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:18,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-19 14:00:18,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,013 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:19,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:19,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:19,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 14:00:19,030 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:19,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:19,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:19,103 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:00:19,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:19,882 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:00:19,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-19 14:00:19,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593899768] [2021-11-19 14:00:19,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:00:19,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:00:19,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:19,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:00:19,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:00:19,885 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:19,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:19,982 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2021-11-19 14:00:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:00:19,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-19 14:00:19,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:19,986 INFO L225 Difference]: With dead ends: 31 [2021-11-19 14:00:19,986 INFO L226 Difference]: Without dead ends: 30 [2021-11-19 14:00:19,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:00:19,988 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 17 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:19,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 7 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-19 14:00:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2021-11-19 14:00:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2021-11-19 14:00:19,993 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 11 [2021-11-19 14:00:19,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:19,993 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2021-11-19 14:00:19,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-11-19 14:00:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-19 14:00:19,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:19,995 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1] [2021-11-19 14:00:20,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:20,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-19 14:00:20,203 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:20,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1075330740, now seen corresponding path program 2 times [2021-11-19 14:00:20,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:20,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174223413] [2021-11-19 14:00:20,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:20,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:20,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:20,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174223413] [2021-11-19 14:00:20,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174223413] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:20,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500731410] [2021-11-19 14:00:20,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:00:20,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:20,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:20,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:20,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 14:00:20,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-19 14:00:20,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:00:20,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 14:00:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:20,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:20,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500731410] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:00:20,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [684620516] [2021-11-19 14:00:20,874 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:00:20,874 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:00:20,875 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:00:20,875 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:00:20,875 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:00:20,886 INFO L180 QuantifierPusher]: treesize reduction 24, result has 77.8 percent of original size [2021-11-19 14:00:20,889 INFO L185 QuantifierPusher]: treesize reduction 8, result has 89.3 percent of original size 67 [2021-11-19 14:00:20,892 INFO L180 QuantifierPusher]: treesize reduction 8, result has 91.0 percent of original size [2021-11-19 14:00:20,894 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.3 percent of original size 61 [2021-11-19 14:00:20,897 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.6 percent of original size [2021-11-19 14:00:20,900 INFO L185 QuantifierPusher]: treesize reduction 8, result has 89.3 percent of original size 67 [2021-11-19 14:00:20,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,941 INFO L180 QuantifierPusher]: treesize reduction 21, result has 88.8 percent of original size [2021-11-19 14:00:20,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-19 14:00:20,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:20,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-19 14:00:20,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:20,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,000 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:21,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:21,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:21,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 14:00:21,012 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:21,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:21,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:21,102 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:00:21,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:21,984 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:00:21,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2021-11-19 14:00:21,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786572180] [2021-11-19 14:00:21,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:00:21,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-19 14:00:21,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:21,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-19 14:00:21,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2021-11-19 14:00:21,986 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 23 states, 22 states have (on average 2.5) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:22,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:22,541 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2021-11-19 14:00:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 14:00:22,542 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.5) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-19 14:00:22,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:22,543 INFO L225 Difference]: With dead ends: 44 [2021-11-19 14:00:22,543 INFO L226 Difference]: Without dead ends: 43 [2021-11-19 14:00:22,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=315, Invalid=1665, Unknown=0, NotChecked=0, Total=1980 [2021-11-19 14:00:22,545 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:22,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 2 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:00:22,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-19 14:00:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-11-19 14:00:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2021-11-19 14:00:22,552 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 19 [2021-11-19 14:00:22,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:22,552 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2021-11-19 14:00:22,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.5) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2021-11-19 14:00:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-19 14:00:22,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:22,554 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1] [2021-11-19 14:00:22,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:22,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-11-19 14:00:22,766 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:22,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:22,767 INFO L85 PathProgramCache]: Analyzing trace with hash 953924228, now seen corresponding path program 2 times [2021-11-19 14:00:22,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:22,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773929075] [2021-11-19 14:00:22,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:22,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:22,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:22,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773929075] [2021-11-19 14:00:22,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773929075] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:22,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868211907] [2021-11-19 14:00:22,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:00:22,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:22,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 14:00:22,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-19 14:00:22,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:00:22,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:00:22,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-19 14:00:23,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-19 14:00:23,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868211907] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:00:23,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1373989978] [2021-11-19 14:00:23,119 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:00:23,119 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:00:23,119 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:00:23,120 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:00:23,120 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:00:23,138 INFO L180 QuantifierPusher]: treesize reduction 24, result has 77.8 percent of original size [2021-11-19 14:00:23,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 14:00:23,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:23,155 INFO L185 QuantifierPusher]: treesize reduction 8, result has 90.2 percent of original size 74 [2021-11-19 14:00:23,158 INFO L180 QuantifierPusher]: treesize reduction 8, result has 92.4 percent of original size [2021-11-19 14:00:23,166 INFO L185 QuantifierPusher]: treesize reduction 15, result has 84.7 percent of original size 83 [2021-11-19 14:00:23,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,201 INFO L180 QuantifierPusher]: treesize reduction 18, result has 91.3 percent of original size [2021-11-19 14:00:23,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-19 14:00:23,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:23,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-19 14:00:23,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,277 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:23,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:23,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:23,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 14:00:23,289 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:00:23,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:00:23,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:00:23,360 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:00:24,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:00:24,070 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:00:24,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2021-11-19 14:00:24,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800504364] [2021-11-19 14:00:24,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:00:24,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 14:00:24,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:00:24,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 14:00:24,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:00:24,072 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:24,293 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2021-11-19 14:00:24,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 14:00:24,294 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-19 14:00:24,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:24,295 INFO L225 Difference]: With dead ends: 41 [2021-11-19 14:00:24,295 INFO L226 Difference]: Without dead ends: 40 [2021-11-19 14:00:24,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=314, Invalid=1092, Unknown=0, NotChecked=0, Total=1406 [2021-11-19 14:00:24,297 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:24,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 0 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:00:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-19 14:00:24,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-19 14:00:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2021-11-19 14:00:24,303 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 26 [2021-11-19 14:00:24,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:24,304 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2021-11-19 14:00:24,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:00:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2021-11-19 14:00:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-19 14:00:24,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:24,306 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 1, 1, 1] [2021-11-19 14:00:24,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:24,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:24,523 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:00:24,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:24,523 INFO L85 PathProgramCache]: Analyzing trace with hash 237862964, now seen corresponding path program 3 times [2021-11-19 14:00:24,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:00:24,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777311752] [2021-11-19 14:00:24,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:24,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:00:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:24,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:00:24,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777311752] [2021-11-19 14:00:24,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777311752] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:24,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502647722] [2021-11-19 14:00:24,731 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 14:00:24,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:00:24,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:24,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:00:24,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 14:00:24,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 14:00:24,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:00:24,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-19 14:00:24,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:00:25,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:01:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 109 refuted. 10 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:01:31,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502647722] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:01:31,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1961129160] [2021-11-19 14:01:31,216 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:01:31,217 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:01:31,217 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:01:31,217 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:01:31,217 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:01:31,231 INFO L180 QuantifierPusher]: treesize reduction 24, result has 77.8 percent of original size [2021-11-19 14:01:31,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-19 14:01:31,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:01:31,244 INFO L185 QuantifierPusher]: treesize reduction 11, result has 84.7 percent of original size 61 [2021-11-19 14:01:31,256 INFO L180 QuantifierPusher]: treesize reduction 11, result has 88.4 percent of original size [2021-11-19 14:01:31,258 INFO L185 QuantifierPusher]: treesize reduction 8, result has 89.3 percent of original size 67 [2021-11-19 14:01:31,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,290 INFO L180 QuantifierPusher]: treesize reduction 13, result has 93.2 percent of original size [2021-11-19 14:01:31,301 INFO L185 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size 163 [2021-11-19 14:01:31,307 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.4 percent of original size [2021-11-19 14:01:31,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-11-19 14:01:31,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,381 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:01:31,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:01:31,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:01:31,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 14:01:31,389 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:01:31,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:01:31,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:01:31,499 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:01:32,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:01:32,672 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:01:32,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2021-11-19 14:01:32,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615466372] [2021-11-19 14:01:32,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:01:32,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-11-19 14:01:32,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:01:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-11-19 14:01:32,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=2554, Unknown=25, NotChecked=0, Total=2862 [2021-11-19 14:01:32,675 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 47 states, 46 states have (on average 2.5) internal successors, (115), 47 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:02:33,246 WARN L227 SmtUtils]: Spent 28.96s on a formula simplification. DAG size of input: 165 DAG size of output: 150 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:02:50,081 WARN L227 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 130 DAG size of output: 119 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:02:52,092 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_#t~post4#1| 1)) (.cse1 (* |c_ULTIMATE.start_main_~sum~0#1| (- 1)))) (and (<= .cse0 (div (+ (div (+ .cse1 2147483639) 2) 1) 2)) (<= |c_ULTIMATE.start_main_#t~post4#1| (div (+ .cse1 2147483641 (* |c_ULTIMATE.start_main_#t~post4#1| (- 1))) 2)) (forall ((|aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_50_107_63| Int)) (or (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_50_107_63|) (<= (div (+ |c_ULTIMATE.start_main_~sum~0#1| (* |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_50_107_63| 5) (- 2147483637)) (- 2)) 0) (<= (+ (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_50_107_63|) 1) (div (+ (* |c_ULTIMATE.start_main_~sum~0#1| (- 1)) (* |c_ULTIMATE.start_main_#t~post4#1| (- 1)) 2147483634) 2)))) (forall ((|aux_div_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65| Int) (|aux_div_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117_141| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_51_293| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117_141_437| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_63_116_248| Int) (|aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117| Int)) (let ((.cse12 (* 2 |aux_div_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135|))) (let ((.cse4 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_51_293|)) (.cse11 (* 4 |aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_63_116_248|)) (.cse7 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117_141_437|)) (.cse5 (* 5 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117_141|)) (.cse3 (+ .cse12 |aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135|)) (.cse2 (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65|)) (.cse9 (* 2 |aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135|)) (.cse10 (* 4 |aux_div_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135|)) (.cse6 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_63_116_248|)) (.cse8 (* 5 |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117|))) (or (<= |aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_63_116_248| 0) (<= (+ 2 .cse2) .cse3) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_51_293| (+ (div (+ (* |aux_div_aux_mod_v_ULTIMATE.start_main_~sum~0#1_63_116_248| (- 2)) (* |aux_div_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| 4) 4 (* |aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| 2)) 4) 1)) (<= (+ .cse4 5) .cse5) (<= 2147483636 (+ .cse6 .cse7 |aux_div_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| |c_ULTIMATE.start_main_~sum~0#1|)) (<= (+ .cse6 .cse7 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483630) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135|) (<= |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117_141| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117_141_437| 1)) (< |aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| 0) (<= (+ 5 .cse8) .cse4) (<= (+ 5 .cse5) .cse8) (<= |aux_div_aux_mod_v_ULTIMATE.start_main_~i~0#1_51_293_117| (+ |aux_div_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65| 1)) (<= (+ 2147483649 .cse9 .cse10) (+ .cse4 .cse11 .cse7 |c_ULTIMATE.start_main_~sum~0#1|)) (<= (+ .cse11 .cse7 .cse5 |c_ULTIMATE.start_main_~sum~0#1|) (+ .cse9 .cse10 2147483639)) (<= 2 |aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135|) (<= (+ .cse12 |aux_mod_aux_mod_aux_div_v_ULTIMATE.start_main_~sum~0#1_63_116_65_135| |c_ULTIMATE.start_main_#t~post4#1| (div (+ (- 2147483642) |c_ULTIMATE.start_main_~sum~0#1|) (- 2)) |c_ULTIMATE.start_main_~sum~0#1|) 2147483635) (< .cse3 .cse2) (<= (+ .cse9 .cse10 14 |c_ULTIMATE.start_main_#t~post4#1|) (+ .cse6 .cse8)))))) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483646) (<= .cse0 (div (+ .cse1 2147483646) 2)))) is different from false [2021-11-19 14:03:58,214 WARN L227 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 43 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-19 14:03:59,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:59,027 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2021-11-19 14:03:59,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-19 14:03:59,028 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.5) internal successors, (115), 47 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-19 14:03:59,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:59,029 INFO L225 Difference]: With dead ends: 81 [2021-11-19 14:03:59,029 INFO L226 Difference]: Without dead ends: 80 [2021-11-19 14:03:59,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1238 ImplicationChecksByTransitivity, 204.8s TimeCoverageRelationStatistics Valid=936, Invalid=5499, Unknown=49, NotChecked=158, Total=6642 [2021-11-19 14:03:59,035 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 80 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 188 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:59,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 3 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 609 Invalid, 0 Unknown, 188 Unchecked, 0.4s Time] [2021-11-19 14:03:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-19 14:03:59,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-19 14:03:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:03:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2021-11-19 14:03:59,054 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 39 [2021-11-19 14:03:59,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:59,054 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2021-11-19 14:03:59,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.5) internal successors, (115), 47 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:03:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2021-11-19 14:03:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-19 14:03:59,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:59,058 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 1, 1, 1] [2021-11-19 14:03:59,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:59,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:03:59,279 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-11-19 14:03:59,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1923662644, now seen corresponding path program 4 times [2021-11-19 14:03:59,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:03:59,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361437635] [2021-11-19 14:03:59,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:59,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:03:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:00,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:04:00,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361437635] [2021-11-19 14:04:00,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361437635] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:04:00,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416259640] [2021-11-19 14:04:00,272 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-19 14:04:00,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:04:00,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:04:00,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:04:00,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 14:04:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:00,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-19 14:04:00,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:04:02,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:10:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 484 refuted. 71 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:10:45,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416259640] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:10:45,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1128677903] [2021-11-19 14:10:45,374 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:10:45,374 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:10:45,375 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:10:45,375 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:10:45,375 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:10:45,389 INFO L180 QuantifierPusher]: treesize reduction 24, result has 77.8 percent of original size [2021-11-19 14:10:45,390 INFO L185 QuantifierPusher]: treesize reduction 8, result has 89.3 percent of original size 67 [2021-11-19 14:10:45,392 INFO L180 QuantifierPusher]: treesize reduction 8, result has 91.0 percent of original size [2021-11-19 14:10:45,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:10:45,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:10:45,397 INFO L185 QuantifierPusher]: treesize reduction 7, result has 92.2 percent of original size 83 [2021-11-19 14:10:45,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,430 INFO L180 QuantifierPusher]: treesize reduction 18, result has 91.0 percent of original size [2021-11-19 14:10:45,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-19 14:10:45,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:10:45,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-19 14:10:45,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,481 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:10:45,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:10:45,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:10:45,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-19 14:10:45,500 INFO L180 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-11-19 14:10:45,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:10:45,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:10:45,614 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:10:48,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:10:48,874 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:10:48,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2021-11-19 14:10:48,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963922884] [2021-11-19 14:10:48,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:10:48,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2021-11-19 14:10:48,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:10:48,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-11-19 14:10:48,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=931, Invalid=9250, Unknown=121, NotChecked=0, Total=10302 [2021-11-19 14:10:48,882 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand has 95 states, 94 states have (on average 2.5) internal successors, (235), 95 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:10:57,122 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse13 (* |c_ULTIMATE.start_main_~sum~0#1| (- 1)))) (let ((.cse1 (+ (div (+ .cse13 2147483639) 2) 1)) (.cse26 (* 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse0 (+ |c_ULTIMATE.start_main_#t~post4#1| 1)) (.cse58 (* |c_ULTIMATE.start_main_~i~0#1| (- 1)))) (and (<= .cse0 (div .cse1 2)) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|v_ULTIMATE.start_main_~i~0#1_67| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_65| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse4 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse8 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse2 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse3 (* 2 |v_ULTIMATE.start_main_~i~0#1_67|)) (.cse9 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse6 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse7 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse5 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse11 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse12 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse10 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse2 .cse3 .cse4 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483632) (<= (+ .cse5 7 .cse6 .cse7) (+ .cse8 .cse9 .cse10)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (<= (+ .cse11 .cse2 .cse3 .cse4 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| .cse10) 2147483627) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse8 .cse9 4 .cse10) (+ .cse5 .cse6 .cse7)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse6 14 .cse7) (+ .cse8 .cse11)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse12) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse11 13 .cse10) .cse5) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse5 .cse2 .cse3 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483639) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse12 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_67| 2) |v_ULTIMATE.start_main_~i~0#1_65|) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse8 .cse2 .cse3 |c_ULTIMATE.start_main_#t~post4#1| .cse9 |c_ULTIMATE.start_main_~sum~0#1| .cse10) (+ .cse6 .cse7 2147483636)) (<= .cse5 (+ .cse11 6 .cse12 .cse10)) (< (+ 2 |c_ULTIMATE.start_main_#t~post4#1|) |v_ULTIMATE.start_main_~i~0#1_67|) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (<= |c_ULTIMATE.start_main_#t~post4#1| (div (+ .cse13 2147483641 (* |c_ULTIMATE.start_main_#t~post4#1| (- 1))) 2)) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|v_ULTIMATE.start_main_~i~0#1_69| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|v_ULTIMATE.start_main_~i~0#1_67| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_65| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse24 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse17 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse21 (* 2 |v_ULTIMATE.start_main_~i~0#1_69|)) (.cse22 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse23 (* 2 |v_ULTIMATE.start_main_~i~0#1_67|)) (.cse18 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse15 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse16 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse14 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse20 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse25 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse19 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse14 7 .cse15 .cse16) (+ .cse17 .cse18 .cse19)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (< (+ |v_ULTIMATE.start_main_~i~0#1_69| 2) |v_ULTIMATE.start_main_~i~0#1_67|) (<= (+ .cse20 .cse21 .cse22 .cse23 .cse24 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| .cse19) 2147483626) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse14 .cse21 .cse22 .cse23 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483638) (< (+ 2 |c_ULTIMATE.start_main_#t~post4#1|) |v_ULTIMATE.start_main_~i~0#1_69|) (<= (+ .cse21 .cse22 .cse23 .cse24 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483631) (<= (+ .cse17 .cse18 4 .cse19) (+ .cse14 .cse15 .cse16)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse15 14 .cse16) (+ .cse17 .cse20)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse25) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse20 13 .cse19) .cse14) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse25 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_67| 2) |v_ULTIMATE.start_main_~i~0#1_65|) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse17 .cse21 .cse22 .cse23 |c_ULTIMATE.start_main_#t~post4#1| .cse18 |c_ULTIMATE.start_main_~sum~0#1| .cse19) (+ .cse15 .cse16 2147483635)) (<= .cse14 (+ .cse20 6 .cse25 .cse19)) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (<= .cse26 .cse1) (<= (+ |c_ULTIMATE.start_main_~sum~0#1| .cse26) 2147483646) (forall ((|aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_61_107_63| Int)) (or (<= (div (+ (* |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_61_107_63| 5) |c_ULTIMATE.start_main_~sum~0#1| (- 2147483637)) (- 2)) 0) (<= (+ (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_61_107_63|) 1) (div (+ (* |c_ULTIMATE.start_main_~sum~0#1| (- 1)) (* |c_ULTIMATE.start_main_#t~post4#1| (- 1)) 2147483634) 2)) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |aux_div_aux_div_v_ULTIMATE.start_main_~i~0#1_61_107_63|))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_65| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse30 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse31 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse28 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse29 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse34 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse33 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse27 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse35 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse36 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse32 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (< (+ 2 |c_ULTIMATE.start_main_#t~post4#1|) |v_ULTIMATE.start_main_~i~0#1_65|) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse27 7 .cse28 .cse29) (+ .cse30 .cse31 .cse32)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (<= (+ .cse33 .cse34 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483633) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse30 .cse31 4 .cse32) (+ .cse27 .cse28 .cse29)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse28 14 .cse29) (+ .cse30 .cse35)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse36) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse35 13 .cse32) .cse27) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse30 .cse33 |c_ULTIMATE.start_main_#t~post4#1| .cse31 |c_ULTIMATE.start_main_~sum~0#1| .cse32) (+ .cse28 .cse29 2147483637)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse36 1)) (<= (+ .cse35 .cse33 .cse34 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| .cse32) 2147483628) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse27 .cse33 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483640) (<= .cse27 (+ .cse35 6 .cse36 .cse32)) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (forall ((|v_ULTIMATE.start_main_~i~0#1_63| Int)) (or (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int)) (let ((.cse43 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse38 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse40 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse41 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse37 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse42 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse44 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse45 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse39 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse37 .cse38 |c_ULTIMATE.start_main_~sum~0#1| .cse39) (+ .cse40 .cse41 2147483639)) (<= (+ .cse42 7 .cse40 .cse41) (+ .cse37 .cse38 .cse39)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (<= (+ .cse43 |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483635) (<= (+ .cse44 .cse43 |c_ULTIMATE.start_main_~sum~0#1| .cse39) 2147483630) (<= (+ .cse37 .cse38 4 .cse39) (+ .cse42 .cse40 .cse41)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse40 14 .cse41) (+ .cse37 .cse44)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse45) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse44 13 .cse39) .cse42) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse45 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse42 |c_ULTIMATE.start_main_~sum~0#1|) 2147483642) (<= .cse42 (+ .cse44 6 .cse45 .cse39)) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (< (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~0#1_63|))) (forall ((|v_ULTIMATE.start_main_~i~0#1_69| Int)) (or (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|v_ULTIMATE.start_main_~i~0#1_67| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_65| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse56 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse49 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse53 (* 2 |v_ULTIMATE.start_main_~i~0#1_69|)) (.cse54 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse55 (* 2 |v_ULTIMATE.start_main_~i~0#1_67|)) (.cse50 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse47 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse48 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse46 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse52 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse57 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse51 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse46 7 .cse47 .cse48) (+ .cse49 .cse50 .cse51)) (<= (+ .cse52 .cse53 .cse54 .cse55 .cse56 |c_ULTIMATE.start_main_~sum~0#1| .cse51) 2147483627) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse46 .cse53 .cse54 .cse55 |c_ULTIMATE.start_main_~sum~0#1|) 2147483639) (<= (+ .cse53 .cse54 .cse55 .cse56 |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483632) (< (+ |v_ULTIMATE.start_main_~i~0#1_69| 2) |v_ULTIMATE.start_main_~i~0#1_67|) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse49 .cse50 4 .cse51) (+ .cse46 .cse47 .cse48)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse47 14 .cse48) (+ .cse49 .cse52)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse57) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse52 13 .cse51) .cse46) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse57 1)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse49 .cse53 .cse54 .cse55 .cse50 |c_ULTIMATE.start_main_~sum~0#1| .cse51) (+ .cse47 .cse48 2147483636)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_67| 2) |v_ULTIMATE.start_main_~i~0#1_65|) (<= .cse46 (+ .cse52 6 .cse57 .cse51)) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (< (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~0#1_69|))) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ .cse58 .cse13 2147483644) 2)) (forall ((|v_ULTIMATE.start_main_~i~0#1_71| Int)) (or (< (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~0#1_71|) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|v_ULTIMATE.start_main_~i~0#1_69| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|v_ULTIMATE.start_main_~i~0#1_67| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_65| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse64 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse66 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse67 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse59 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse68 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse69 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse71 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse65 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|)) (.cse60 (* 2 |v_ULTIMATE.start_main_~i~0#1_69|)) (.cse61 (* 2 |v_ULTIMATE.start_main_~i~0#1_71|)) (.cse62 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse63 (* 2 |v_ULTIMATE.start_main_~i~0#1_67|)) (.cse70 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|))) (or (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse59 .cse60 .cse61 .cse62 .cse63 .cse64 |c_ULTIMATE.start_main_~sum~0#1| .cse65) (+ .cse66 .cse67 2147483635)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse68 7 .cse66 .cse67) (+ .cse59 .cse64 .cse65)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (< (+ |v_ULTIMATE.start_main_~i~0#1_69| 2) |v_ULTIMATE.start_main_~i~0#1_67|) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse69 .cse60 .cse61 .cse62 .cse63 .cse70 |c_ULTIMATE.start_main_~sum~0#1| .cse65) 2147483626) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse68 .cse60 .cse61 .cse62 .cse63 |c_ULTIMATE.start_main_~sum~0#1|) 2147483638) (<= (+ .cse59 .cse64 4 .cse65) (+ .cse68 .cse66 .cse67)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse66 14 .cse67) (+ .cse59 .cse69)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse71) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse69 13 .cse65) .cse68) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse71 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_71| 2) |v_ULTIMATE.start_main_~i~0#1_69|) (< (+ |v_ULTIMATE.start_main_~i~0#1_67| 2) |v_ULTIMATE.start_main_~i~0#1_65|) (<= .cse68 (+ .cse69 6 .cse71 .cse65)) (<= (+ .cse60 .cse61 .cse62 .cse63 .cse70 |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483631) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))))) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483646) (forall ((|v_ULTIMATE.start_main_~i~0#1_65| Int)) (or (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse80 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse75 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse79 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse76 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse73 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse74 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse72 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse78 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse81 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse77 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse72 7 .cse73 .cse74) (+ .cse75 .cse76 .cse77)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse78 .cse79 .cse80 |c_ULTIMATE.start_main_~sum~0#1| .cse77) 2147483629) (<= (+ .cse79 .cse80 |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483634) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse72 .cse79 |c_ULTIMATE.start_main_~sum~0#1|) 2147483641) (<= (+ .cse75 .cse76 4 .cse77) (+ .cse72 .cse73 .cse74)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse73 14 .cse74) (+ .cse75 .cse78)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse81) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse78 13 .cse77) .cse72) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse81 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse75 .cse79 .cse76 |c_ULTIMATE.start_main_~sum~0#1| .cse77) (+ .cse73 2147483638 .cse74)) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (<= .cse72 (+ .cse78 6 .cse81 .cse77)) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (< (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~0#1_65|))) (<= (+ |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~sum~0#1|) 1380) (forall ((|v_ULTIMATE.start_main_~i~0#1_67| Int)) (or (< (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~0#1_67|) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_65| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse85 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse86 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse83 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse84 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse82 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse89 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse88 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse90 (* 2 |v_ULTIMATE.start_main_~i~0#1_65|)) (.cse91 (* 2 |v_ULTIMATE.start_main_~i~0#1_67|)) (.cse92 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse87 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse82 7 .cse83 .cse84) (+ .cse85 .cse86 .cse87)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (< (+ |v_ULTIMATE.start_main_~i~0#1_65| 2) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse85 .cse86 4 .cse87) (+ .cse82 .cse83 .cse84)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse83 14 .cse84) (+ .cse85 .cse88)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse89) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse88 13 .cse87) .cse82) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse89 1)) (<= (+ .cse90 .cse91 .cse92 |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483633) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse82 .cse90 .cse91 |c_ULTIMATE.start_main_~sum~0#1|) 2147483640) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse85 .cse90 .cse91 .cse86 |c_ULTIMATE.start_main_~sum~0#1| .cse87) (+ .cse83 .cse84 2147483637)) (< (+ |v_ULTIMATE.start_main_~i~0#1_67| 2) |v_ULTIMATE.start_main_~i~0#1_65|) (<= .cse82 (+ .cse88 6 .cse89 .cse87)) (<= (+ .cse88 .cse90 .cse91 .cse92 |c_ULTIMATE.start_main_~sum~0#1| .cse87) 2147483628) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))))) (<= .cse0 (div (+ .cse13 2147483646) 2)) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|v_ULTIMATE.start_main_~i~0#1_63| Int)) (let ((.cse97 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse94 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse95 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse96 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse99 (* 2 |v_ULTIMATE.start_main_~i~0#1_63|)) (.cse93 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66|)) (.cse100 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|)) (.cse101 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse98 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= (+ .cse93 7 .cse94 .cse95) (+ .cse96 .cse97 .cse98)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (<= (+ .cse99 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| |aux_div_v_ULTIMATE.start_main_~sum~0#1_90_66| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483634) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse96 |c_ULTIMATE.start_main_#t~post4#1| .cse97 |c_ULTIMATE.start_main_~sum~0#1| .cse98) (+ .cse94 2147483638 .cse95)) (< (+ 2 |c_ULTIMATE.start_main_#t~post4#1|) |v_ULTIMATE.start_main_~i~0#1_63|) (<= (+ .cse96 .cse97 4 .cse98) (+ .cse93 .cse94 .cse95)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse94 14 .cse95) (+ .cse96 .cse100)) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| 1) .cse101) (<= (+ .cse100 .cse99 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| .cse98) 2147483629) (<= (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse100 13 .cse98) .cse93) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse101 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (< (+ |v_ULTIMATE.start_main_~i~0#1_63| .cse93 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1|) 2147483641) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (<= .cse93 (+ .cse100 6 .cse101 .cse98)) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))) (<= |c_ULTIMATE.start_main_~i~0#1| (div (+ (- 1) (div (+ .cse58 .cse13 2147483639) 2)) 2)) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| Int) (|aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| Int) (|aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| Int) (|aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int) (|aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| Int)) (let ((.cse106 (* 5 |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263|)) (.cse108 (* 5 |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407|))) (let ((.cse103 (* 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse104 (* 4 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)) (.cse102 (+ .cse106 (* 4 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|) |c_ULTIMATE.start_main_~sum~0#1| .cse108)) (.cse105 (div (+ (* |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 2) (* |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 4) 4 (* |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| (- 2))) 4)) (.cse107 (* 2 |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129|))) (or (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~i~0#1_62_263_117_141_407| 1)) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 1)) (<= .cse102 (+ .cse103 .cse104 2147483639)) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) .cse105) (<= |aux_div_v_ULTIMATE.start_main_~i~0#1_62_263| (+ .cse105 1)) (< |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68| 0) (<= (+ .cse103 14 |c_ULTIMATE.start_main_#t~post4#1| .cse104) (+ .cse106 .cse107)) (<= (+ 2147483649 .cse103 .cse104) .cse102) (<= |aux_div_v_ULTIMATE.start_main_~sum~0#1_89_129| 0) (<= 2147483636 (+ .cse107 |c_ULTIMATE.start_main_~sum~0#1| .cse105 .cse108)) (<= (+ |c_ULTIMATE.start_main_#t~post4#1| (div (+ (- 2147483642) |c_ULTIMATE.start_main_~sum~0#1|) (- 2)) |c_ULTIMATE.start_main_~sum~0#1| (* 2 |aux_div_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|) 2147483635) (<= (+ .cse107 |c_ULTIMATE.start_main_#t~post4#1| |c_ULTIMATE.start_main_~sum~0#1| .cse108) 2147483630) (<= 2 |aux_mod_aux_div_v_ULTIMATE.start_main_#t~post4#1_102_117_68|)))))))) is different from false [2021-11-19 14:12:16,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-19 14:12:16,715 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-19 14:12:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 14:12:16,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2710 ImplicationChecksByTransitivity, 376.8s TimeCoverageRelationStatistics Valid=2175, Invalid=15263, Unknown=122, NotChecked=262, Total=17822 [2021-11-19 14:12:16,724 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2640 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 3347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 600 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:12:16,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 1 Invalid, 3347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2640 Invalid, 0 Unknown, 600 Unchecked, 2.3s Time] [2021-11-19 14:12:16,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:12:16,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:12:16,949 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 49 more [2021-11-19 14:12:16,954 INFO L158 Benchmark]: Toolchain (without parser) took 722753.00ms. Allocated memory was 98.6MB in the beginning and 153.1MB in the end (delta: 54.5MB). Free memory was 64.8MB in the beginning and 96.0MB in the end (delta: -31.2MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-11-19 14:12:16,954 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory was 49.8MB in the beginning and 49.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:12:16,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.74ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 74.0MB in the end (delta: -9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:12:16,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.10ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:12:16,955 INFO L158 Benchmark]: Boogie Preprocessor took 18.91ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 71.7MB in the end (delta: 722.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:12:16,956 INFO L158 Benchmark]: RCFGBuilder took 288.16ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 61.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:12:16,957 INFO L158 Benchmark]: TraceAbstraction took 722166.47ms. Allocated memory was 98.6MB in the beginning and 153.1MB in the end (delta: 54.5MB). Free memory was 61.3MB in the beginning and 96.0MB in the end (delta: -34.8MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2021-11-19 14:12:16,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory was 49.8MB in the beginning and 49.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.74ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 74.0MB in the end (delta: -9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.10ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.91ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 71.7MB in the end (delta: 722.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.16ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 61.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 722166.47ms. Allocated memory was 98.6MB in the beginning and 153.1MB in the end (delta: 54.5MB). Free memory was 61.3MB in the beginning and 96.0MB in the end (delta: -34.8MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06c329-6e30-4aa4-9e2b-793016278697/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")