./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:08:18,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:08:18,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:08:18,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:08:18,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:08:18,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:08:18,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:08:18,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:08:18,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:08:18,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:08:18,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:08:18,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:08:18,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:08:18,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:08:18,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:08:18,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:08:18,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:08:18,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:08:18,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:08:18,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:08:18,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:08:18,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:08:18,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:08:18,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:08:18,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:08:18,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:08:18,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:08:18,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:08:18,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:08:18,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:08:18,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:08:18,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:08:18,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:08:18,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:08:18,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:08:18,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:08:18,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:08:18,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:08:18,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:08:18,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:08:18,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:08:18,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-07 01:08:18,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:08:18,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:08:18,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:08:18,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:08:18,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:08:18,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:08:18,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:08:18,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:08:18,743 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:08:18,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:08:18,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:08:18,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:08:18,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-07 01:08:18,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:08:18,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:08:18,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:08:18,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:08:18,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:08:18,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:08:18,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:08:18,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:08:18,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:08:18,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2021-12-07 01:08:18,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:08:18,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:08:18,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:08:18,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:08:18,948 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:08:18,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/bitvector/byte_add_1-2.i [2021-12-07 01:08:18,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/data/4979ecb62/4f1ef63e7b2a423187b3ac6514ac34f9/FLAG57321491a [2021-12-07 01:08:19,365 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:08:19,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/sv-benchmarks/c/bitvector/byte_add_1-2.i [2021-12-07 01:08:19,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/data/4979ecb62/4f1ef63e7b2a423187b3ac6514ac34f9/FLAG57321491a [2021-12-07 01:08:19,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/data/4979ecb62/4f1ef63e7b2a423187b3ac6514ac34f9 [2021-12-07 01:08:19,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:08:19,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:08:19,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:08:19,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:08:19,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:08:19,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a8dfc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19, skipping insertion in model container [2021-12-07 01:08:19,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:08:19,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:08:19,507 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_b6700893-0864-4781-b899-906edad77600/sv-benchmarks/c/bitvector/byte_add_1-2.i[1168,1181] [2021-12-07 01:08:19,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:08:19,538 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:08:19,547 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_b6700893-0864-4781-b899-906edad77600/sv-benchmarks/c/bitvector/byte_add_1-2.i[1168,1181] [2021-12-07 01:08:19,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:08:19,573 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:08:19,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19 WrapperNode [2021-12-07 01:08:19,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:08:19,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:08:19,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:08:19,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:08:19,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,605 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 161 [2021-12-07 01:08:19,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:08:19,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:08:19,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:08:19,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:08:19,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:08:19,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:08:19,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:08:19,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:08:19,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (1/1) ... [2021-12-07 01:08:19,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:08:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:19,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:08:19,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:08:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:08:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:08:19,747 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:08:19,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:08:19,925 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:08:19,931 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:08:19,931 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:08:19,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:08:19 BoogieIcfgContainer [2021-12-07 01:08:19,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:08:19,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:08:19,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:08:19,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:08:19,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:08:19" (1/3) ... [2021-12-07 01:08:19,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f158a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:08:19, skipping insertion in model container [2021-12-07 01:08:19,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:08:19" (2/3) ... [2021-12-07 01:08:19,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f158a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:08:19, skipping insertion in model container [2021-12-07 01:08:19,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:08:19" (3/3) ... [2021-12-07 01:08:19,940 INFO L111 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2021-12-07 01:08:19,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:08:19,944 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2021-12-07 01:08:19,982 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:08:19,987 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 [2021-12-07 01:08:19,988 INFO L340 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2021-12-07 01:08:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 75 states have (on average 1.9066666666666667) internal successors, (143), 113 states have internal predecessors, (143), 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) [2021-12-07 01:08:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-12-07 01:08:20,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:20,004 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-12-07 01:08:20,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:20,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:20,009 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-12-07 01:08:20,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:20,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148237826] [2021-12-07 01:08:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:20,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:20,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:20,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148237826] [2021-12-07 01:08:20,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148237826] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:20,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:20,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-07 01:08:20,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159713719] [2021-12-07 01:08:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:20,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:08:20,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:20,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:08:20,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:08:20,146 INFO L87 Difference]: Start difference. First operand has 114 states, 75 states have (on average 1.9066666666666667) internal successors, (143), 113 states have internal predecessors, (143), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2021-12-07 01:08:20,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:20,168 INFO L93 Difference]: Finished difference Result 135 states and 177 transitions. [2021-12-07 01:08:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:08:20,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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 [2021-12-07 01:08:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:20,179 INFO L225 Difference]: With dead ends: 135 [2021-12-07 01:08:20,180 INFO L226 Difference]: Without dead ends: 69 [2021-12-07 01:08:20,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:08:20,186 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:20,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:08:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-07 01:08:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-07 01:08:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 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) [2021-12-07 01:08:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2021-12-07 01:08:20,224 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 4 [2021-12-07 01:08:20,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:20,225 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2021-12-07 01:08:20,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 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) [2021-12-07 01:08:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2021-12-07 01:08:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-07 01:08:20,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:20,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:20,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:08:20,227 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:20,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1944470950, now seen corresponding path program 1 times [2021-12-07 01:08:20,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:20,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144738174] [2021-12-07 01:08:20,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:20,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:20,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:20,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144738174] [2021-12-07 01:08:20,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144738174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:20,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:20,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:08:20,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412775449] [2021-12-07 01:08:20,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:20,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:08:20,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:20,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:08:20,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:20,308 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-12-07 01:08:20,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:20,412 INFO L93 Difference]: Finished difference Result 145 states and 212 transitions. [2021-12-07 01:08:20,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:08:20,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Word has length 13 [2021-12-07 01:08:20,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:20,415 INFO L225 Difference]: With dead ends: 145 [2021-12-07 01:08:20,415 INFO L226 Difference]: Without dead ends: 98 [2021-12-07 01:08:20,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:20,417 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 30 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:20,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 121 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-12-07 01:08:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2021-12-07 01:08:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 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) [2021-12-07 01:08:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 124 transitions. [2021-12-07 01:08:20,430 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 124 transitions. Word has length 13 [2021-12-07 01:08:20,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:20,430 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 124 transitions. [2021-12-07 01:08:20,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-12-07 01:08:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2021-12-07 01:08:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-07 01:08:20,432 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:20,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:20,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:08:20,433 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:20,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:20,433 INFO L85 PathProgramCache]: Analyzing trace with hash 565405448, now seen corresponding path program 1 times [2021-12-07 01:08:20,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:20,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31572839] [2021-12-07 01:08:20,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:20,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:08:20,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:20,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31572839] [2021-12-07 01:08:20,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31572839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:20,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:20,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:08:20,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258764006] [2021-12-07 01:08:20,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:20,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:08:20,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:20,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:08:20,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:08:20,540 INFO L87 Difference]: Start difference. First operand 94 states and 124 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-12-07 01:08:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:20,683 INFO L93 Difference]: Finished difference Result 221 states and 296 transitions. [2021-12-07 01:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:08:20,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2021-12-07 01:08:20,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:20,684 INFO L225 Difference]: With dead ends: 221 [2021-12-07 01:08:20,684 INFO L226 Difference]: Without dead ends: 164 [2021-12-07 01:08:20,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:08:20,686 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 116 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:20,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 281 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:20,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-12-07 01:08:20,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 104. [2021-12-07 01:08:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 103 states have internal predecessors, (135), 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) [2021-12-07 01:08:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2021-12-07 01:08:20,695 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 135 transitions. Word has length 20 [2021-12-07 01:08:20,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:20,695 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-12-07 01:08:20,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-12-07 01:08:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2021-12-07 01:08:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 01:08:20,696 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:20,696 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:20,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:08:20,696 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:20,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:20,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1055427225, now seen corresponding path program 1 times [2021-12-07 01:08:20,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:20,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861854848] [2021-12-07 01:08:20,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:20,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:08:20,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:20,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861854848] [2021-12-07 01:08:20,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861854848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:20,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:20,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:08:20,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776315485] [2021-12-07 01:08:20,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:20,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:08:20,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:20,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:08:20,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:08:20,768 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-12-07 01:08:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:20,880 INFO L93 Difference]: Finished difference Result 259 states and 340 transitions. [2021-12-07 01:08:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:08:20,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-12-07 01:08:20,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:20,882 INFO L225 Difference]: With dead ends: 259 [2021-12-07 01:08:20,882 INFO L226 Difference]: Without dead ends: 194 [2021-12-07 01:08:20,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:08:20,884 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 124 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:20,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 291 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:20,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-07 01:08:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 120. [2021-12-07 01:08:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.2941176470588236) internal successors, (154), 119 states have internal predecessors, (154), 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) [2021-12-07 01:08:20,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 154 transitions. [2021-12-07 01:08:20,893 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 154 transitions. Word has length 23 [2021-12-07 01:08:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:20,893 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 154 transitions. [2021-12-07 01:08:20,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-12-07 01:08:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions. [2021-12-07 01:08:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-07 01:08:20,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:20,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:20,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:08:20,895 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:20,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:20,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2113419709, now seen corresponding path program 1 times [2021-12-07 01:08:20,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:20,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331593861] [2021-12-07 01:08:20,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:20,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:08:20,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:20,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331593861] [2021-12-07 01:08:20,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331593861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:20,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:20,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:08:20,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122740707] [2021-12-07 01:08:20,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:20,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:08:20,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:20,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:08:20,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:20,963 INFO L87 Difference]: Start difference. First operand 120 states and 154 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-12-07 01:08:20,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:20,968 INFO L93 Difference]: Finished difference Result 192 states and 248 transitions. [2021-12-07 01:08:20,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:08:20,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 [2021-12-07 01:08:20,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:20,969 INFO L225 Difference]: With dead ends: 192 [2021-12-07 01:08:20,969 INFO L226 Difference]: Without dead ends: 91 [2021-12-07 01:08:20,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:20,971 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 82 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:20,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 83 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:08:20,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-12-07 01:08:20,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-12-07 01:08:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.288888888888889) internal successors, (116), 90 states have internal predecessors, (116), 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) [2021-12-07 01:08:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2021-12-07 01:08:20,976 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 26 [2021-12-07 01:08:20,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:20,976 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2021-12-07 01:08:20,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-12-07 01:08:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2021-12-07 01:08:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-07 01:08:20,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:20,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:20,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:08:20,978 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:20,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1291653624, now seen corresponding path program 1 times [2021-12-07 01:08:20,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:20,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482161063] [2021-12-07 01:08:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:20,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:21,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:21,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:21,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482161063] [2021-12-07 01:08:21,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482161063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:21,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:21,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:08:21,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895654159] [2021-12-07 01:08:21,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:21,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:08:21,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:21,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:08:21,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:21,013 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-12-07 01:08:21,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:21,021 INFO L93 Difference]: Finished difference Result 115 states and 149 transitions. [2021-12-07 01:08:21,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:08:21,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-12-07 01:08:21,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:21,022 INFO L225 Difference]: With dead ends: 115 [2021-12-07 01:08:21,022 INFO L226 Difference]: Without dead ends: 102 [2021-12-07 01:08:21,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:21,023 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 4 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:21,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 163 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:08:21,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-07 01:08:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-12-07 01:08:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.297029702970297) internal successors, (131), 101 states have internal predecessors, (131), 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) [2021-12-07 01:08:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 131 transitions. [2021-12-07 01:08:21,029 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 131 transitions. Word has length 32 [2021-12-07 01:08:21,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:21,029 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 131 transitions. [2021-12-07 01:08:21,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-12-07 01:08:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2021-12-07 01:08:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-07 01:08:21,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:21,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:21,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:08:21,031 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:21,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:21,031 INFO L85 PathProgramCache]: Analyzing trace with hash 280536374, now seen corresponding path program 1 times [2021-12-07 01:08:21,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:21,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761294582] [2021-12-07 01:08:21,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:21,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:21,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:21,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761294582] [2021-12-07 01:08:21,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761294582] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:21,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033714120] [2021-12-07 01:08:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:21,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:21,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:21,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:08:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:21,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:08:21,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:21,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:08:21,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033714120] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:21,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:08:21,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-12-07 01:08:21,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31277402] [2021-12-07 01:08:21,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:21,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:08:21,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:21,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:08:21,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:08:21,264 INFO L87 Difference]: Start difference. First operand 102 states and 131 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-12-07 01:08:21,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:21,385 INFO L93 Difference]: Finished difference Result 218 states and 316 transitions. [2021-12-07 01:08:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:08:21,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-12-07 01:08:21,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:21,387 INFO L225 Difference]: With dead ends: 218 [2021-12-07 01:08:21,387 INFO L226 Difference]: Without dead ends: 164 [2021-12-07 01:08:21,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:08:21,388 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 44 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:21,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 132 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:21,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-12-07 01:08:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 137. [2021-12-07 01:08:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.25) internal successors, (170), 136 states have internal predecessors, (170), 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) [2021-12-07 01:08:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 170 transitions. [2021-12-07 01:08:21,398 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 170 transitions. Word has length 32 [2021-12-07 01:08:21,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:21,398 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 170 transitions. [2021-12-07 01:08:21,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-12-07 01:08:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 170 transitions. [2021-12-07 01:08:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-07 01:08:21,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:21,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:21,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:08:21,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:21,603 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:21,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1198830924, now seen corresponding path program 1 times [2021-12-07 01:08:21,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:21,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319955380] [2021-12-07 01:08:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:21,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:21,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:21,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319955380] [2021-12-07 01:08:21,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319955380] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:21,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102403611] [2021-12-07 01:08:21,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:21,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:21,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:21,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:21,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:08:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:21,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:08:21,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:08:21,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:08:21,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102403611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:21,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:08:21,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2021-12-07 01:08:21,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640676785] [2021-12-07 01:08:21,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:21,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:08:21,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:21,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:08:21,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:08:21,999 INFO L87 Difference]: Start difference. First operand 137 states and 170 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-12-07 01:08:22,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:22,124 INFO L93 Difference]: Finished difference Result 315 states and 423 transitions. [2021-12-07 01:08:22,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:08:22,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 [2021-12-07 01:08:22,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:22,126 INFO L225 Difference]: With dead ends: 315 [2021-12-07 01:08:22,127 INFO L226 Difference]: Without dead ends: 205 [2021-12-07 01:08:22,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:08:22,128 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 48 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:22,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 165 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:22,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-12-07 01:08:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 169. [2021-12-07 01:08:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.2261904761904763) internal successors, (206), 168 states have internal predecessors, (206), 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) [2021-12-07 01:08:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2021-12-07 01:08:22,137 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 39 [2021-12-07 01:08:22,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:22,137 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2021-12-07 01:08:22,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-12-07 01:08:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2021-12-07 01:08:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-07 01:08:22,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:22,139 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:22,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:08:22,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:22,341 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2073059654, now seen corresponding path program 1 times [2021-12-07 01:08:22,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:22,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936482555] [2021-12-07 01:08:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:22,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:08:22,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:22,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936482555] [2021-12-07 01:08:22,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936482555] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:22,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900210041] [2021-12-07 01:08:22,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:22,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:22,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:22,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:08:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:22,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:08:22,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-07 01:08:22,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:08:22,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900210041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:22,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:08:22,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2021-12-07 01:08:22,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142229250] [2021-12-07 01:08:22,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:22,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:08:22,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:22,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:08:22,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:08:22,678 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-12-07 01:08:22,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:22,763 INFO L93 Difference]: Finished difference Result 380 states and 494 transitions. [2021-12-07 01:08:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:08:22,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 46 [2021-12-07 01:08:22,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:22,765 INFO L225 Difference]: With dead ends: 380 [2021-12-07 01:08:22,765 INFO L226 Difference]: Without dead ends: 238 [2021-12-07 01:08:22,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:08:22,766 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 47 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:22,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 172 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:22,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-12-07 01:08:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 201. [2021-12-07 01:08:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.21) internal successors, (242), 200 states have internal predecessors, (242), 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) [2021-12-07 01:08:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 242 transitions. [2021-12-07 01:08:22,774 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 242 transitions. Word has length 46 [2021-12-07 01:08:22,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:22,774 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 242 transitions. [2021-12-07 01:08:22,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-12-07 01:08:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 242 transitions. [2021-12-07 01:08:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-07 01:08:22,776 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:22,776 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:22,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:08:22,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-07 01:08:22,978 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:22,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:22,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1645599792, now seen corresponding path program 1 times [2021-12-07 01:08:22,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:22,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998389346] [2021-12-07 01:08:22,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:22,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 01:08:23,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:23,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998389346] [2021-12-07 01:08:23,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998389346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:23,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:23,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:08:23,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387577296] [2021-12-07 01:08:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:23,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:08:23,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:23,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:08:23,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:08:23,101 INFO L87 Difference]: Start difference. First operand 201 states and 242 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-07 01:08:23,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:23,114 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2021-12-07 01:08:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:08:23,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 53 [2021-12-07 01:08:23,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:23,116 INFO L225 Difference]: With dead ends: 238 [2021-12-07 01:08:23,116 INFO L226 Difference]: Without dead ends: 177 [2021-12-07 01:08:23,116 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 [2021-12-07 01:08:23,117 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 8 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:23,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 174 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:08:23,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-12-07 01:08:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 156. [2021-12-07 01:08:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.2258064516129032) internal successors, (190), 155 states have internal predecessors, (190), 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) [2021-12-07 01:08:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2021-12-07 01:08:23,124 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 53 [2021-12-07 01:08:23,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:23,124 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2021-12-07 01:08:23,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-12-07 01:08:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2021-12-07 01:08:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-07 01:08:23,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:23,125 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:23,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 01:08:23,126 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:23,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:23,126 INFO L85 PathProgramCache]: Analyzing trace with hash 255895067, now seen corresponding path program 1 times [2021-12-07 01:08:23,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:23,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384608134] [2021-12-07 01:08:23,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:23,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-07 01:08:23,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:23,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384608134] [2021-12-07 01:08:23,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384608134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:23,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:23,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:08:23,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581528939] [2021-12-07 01:08:23,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:23,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:08:23,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:23,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:08:23,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:08:23,161 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-12-07 01:08:23,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:23,194 INFO L93 Difference]: Finished difference Result 408 states and 498 transitions. [2021-12-07 01:08:23,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:08:23,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 62 [2021-12-07 01:08:23,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:23,196 INFO L225 Difference]: With dead ends: 408 [2021-12-07 01:08:23,196 INFO L226 Difference]: Without dead ends: 279 [2021-12-07 01:08:23,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:08:23,197 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 55 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:23,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 255 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:08:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-12-07 01:08:23,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 197. [2021-12-07 01:08:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.260204081632653) internal successors, (247), 196 states have internal predecessors, (247), 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) [2021-12-07 01:08:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2021-12-07 01:08:23,203 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 62 [2021-12-07 01:08:23,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:23,203 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2021-12-07 01:08:23,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-12-07 01:08:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2021-12-07 01:08:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-07 01:08:23,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:23,204 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:23,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 01:08:23,204 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:23,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:23,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1988088231, now seen corresponding path program 2 times [2021-12-07 01:08:23,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:23,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861814666] [2021-12-07 01:08:23,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:23,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 01:08:23,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:23,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861814666] [2021-12-07 01:08:23,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861814666] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:23,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728782747] [2021-12-07 01:08:23,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:08:23,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:23,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:23,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:23,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:08:23,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:08:23,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:08:23,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:08:23,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-07 01:08:23,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:08:23,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728782747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:23,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:08:23,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-12-07 01:08:23,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544371716] [2021-12-07 01:08:23,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:23,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:08:23,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:23,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:08:23,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:08:23,393 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) [2021-12-07 01:08:23,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:23,491 INFO L93 Difference]: Finished difference Result 711 states and 902 transitions. [2021-12-07 01:08:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:08:23,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) Word has length 62 [2021-12-07 01:08:23,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:23,493 INFO L225 Difference]: With dead ends: 711 [2021-12-07 01:08:23,493 INFO L226 Difference]: Without dead ends: 541 [2021-12-07 01:08:23,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:08:23,494 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 144 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:23,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 460 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:23,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2021-12-07 01:08:23,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 358. [2021-12-07 01:08:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 357 states have (on average 1.2717086834733893) internal successors, (454), 357 states have internal predecessors, (454), 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) [2021-12-07 01:08:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 454 transitions. [2021-12-07 01:08:23,505 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 454 transitions. Word has length 62 [2021-12-07 01:08:23,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:23,505 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 454 transitions. [2021-12-07 01:08:23,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) [2021-12-07 01:08:23,505 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 454 transitions. [2021-12-07 01:08:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-07 01:08:23,506 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:23,506 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:23,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:08:23,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-07 01:08:23,707 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:23,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:23,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1745436811, now seen corresponding path program 1 times [2021-12-07 01:08:23,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:23,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236146727] [2021-12-07 01:08:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:23,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 01:08:23,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:23,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236146727] [2021-12-07 01:08:23,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236146727] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:23,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795938858] [2021-12-07 01:08:23,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:23,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:23,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:23,771 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:23,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 01:08:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:23,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 01:08:23,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 01:08:23,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:24,084 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:08:24,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795938858] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:24,084 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:24,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6] total 7 [2021-12-07 01:08:24,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064711723] [2021-12-07 01:08:24,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:24,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:08:24,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:24,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:08:24,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:08:24,085 INFO L87 Difference]: Start difference. First operand 358 states and 454 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2021-12-07 01:08:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:24,213 INFO L93 Difference]: Finished difference Result 872 states and 1104 transitions. [2021-12-07 01:08:24,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:08:24,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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 65 [2021-12-07 01:08:24,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:24,216 INFO L225 Difference]: With dead ends: 872 [2021-12-07 01:08:24,216 INFO L226 Difference]: Without dead ends: 545 [2021-12-07 01:08:24,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:08:24,217 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 197 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:24,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 175 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:24,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-12-07 01:08:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 366. [2021-12-07 01:08:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 1.2657534246575342) internal successors, (462), 365 states have internal predecessors, (462), 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) [2021-12-07 01:08:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 462 transitions. [2021-12-07 01:08:24,228 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 462 transitions. Word has length 65 [2021-12-07 01:08:24,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:24,228 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 462 transitions. [2021-12-07 01:08:24,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2021-12-07 01:08:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 462 transitions. [2021-12-07 01:08:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-07 01:08:24,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:24,229 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:24,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-07 01:08:24,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:24,430 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:24,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:24,430 INFO L85 PathProgramCache]: Analyzing trace with hash -392959527, now seen corresponding path program 1 times [2021-12-07 01:08:24,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:24,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803667125] [2021-12-07 01:08:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:24,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-07 01:08:24,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:24,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803667125] [2021-12-07 01:08:24,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803667125] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:24,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974372339] [2021-12-07 01:08:24,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:24,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:24,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:24,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:24,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 01:08:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:24,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:08:24,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:24,598 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 01:08:24,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 01:08:34,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974372339] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:34,784 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:34,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 8 [2021-12-07 01:08:34,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818826872] [2021-12-07 01:08:34,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:34,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:08:34,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:34,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:08:34,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=35, Unknown=3, NotChecked=0, Total=56 [2021-12-07 01:08:34,786 INFO L87 Difference]: Start difference. First operand 366 states and 462 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-12-07 01:08:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:37,437 INFO L93 Difference]: Finished difference Result 1458 states and 1853 transitions. [2021-12-07 01:08:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 01:08:37,437 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 71 [2021-12-07 01:08:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:37,442 INFO L225 Difference]: With dead ends: 1458 [2021-12-07 01:08:37,442 INFO L226 Difference]: Without dead ends: 1091 [2021-12-07 01:08:37,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=46, Invalid=82, Unknown=4, NotChecked=0, Total=132 [2021-12-07 01:08:37,449 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 291 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:37,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 231 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 154 Invalid, 0 Unknown, 66 Unchecked, 0.3s Time] [2021-12-07 01:08:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2021-12-07 01:08:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 905. [2021-12-07 01:08:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 904 states have (on average 1.2577433628318584) internal successors, (1137), 904 states have internal predecessors, (1137), 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) [2021-12-07 01:08:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1137 transitions. [2021-12-07 01:08:37,472 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1137 transitions. Word has length 71 [2021-12-07 01:08:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:37,473 INFO L470 AbstractCegarLoop]: Abstraction has 905 states and 1137 transitions. [2021-12-07 01:08:37,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2021-12-07 01:08:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1137 transitions. [2021-12-07 01:08:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-07 01:08:37,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:37,474 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:37,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-07 01:08:37,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-07 01:08:37,675 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:37,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1149725251, now seen corresponding path program 1 times [2021-12-07 01:08:37,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:37,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575527815] [2021-12-07 01:08:37,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:37,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 01:08:37,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:37,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575527815] [2021-12-07 01:08:37,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575527815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:37,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:37,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:08:37,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943108349] [2021-12-07 01:08:37,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:37,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:08:37,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:37,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:08:37,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:08:37,762 INFO L87 Difference]: Start difference. First operand 905 states and 1137 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-12-07 01:08:38,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:38,070 INFO L93 Difference]: Finished difference Result 2528 states and 3161 transitions. [2021-12-07 01:08:38,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:08:38,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 71 [2021-12-07 01:08:38,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:38,076 INFO L225 Difference]: With dead ends: 2528 [2021-12-07 01:08:38,076 INFO L226 Difference]: Without dead ends: 1435 [2021-12-07 01:08:38,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:08:38,078 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 160 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:38,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 217 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 01:08:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2021-12-07 01:08:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1012. [2021-12-07 01:08:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1011 states have (on average 1.2700296735905046) internal successors, (1284), 1011 states have internal predecessors, (1284), 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) [2021-12-07 01:08:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1284 transitions. [2021-12-07 01:08:38,102 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1284 transitions. Word has length 71 [2021-12-07 01:08:38,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:38,102 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1284 transitions. [2021-12-07 01:08:38,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-12-07 01:08:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1284 transitions. [2021-12-07 01:08:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-07 01:08:38,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:38,104 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:38,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 01:08:38,104 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:38,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:38,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1488348929, now seen corresponding path program 1 times [2021-12-07 01:08:38,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:38,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451374680] [2021-12-07 01:08:38,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:38,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 01:08:38,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:38,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451374680] [2021-12-07 01:08:38,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451374680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:38,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:38,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:08:38,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98426606] [2021-12-07 01:08:38,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:38,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:08:38,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:38,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:08:38,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:08:38,203 INFO L87 Difference]: Start difference. First operand 1012 states and 1284 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-12-07 01:08:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:38,721 INFO L93 Difference]: Finished difference Result 2527 states and 3176 transitions. [2021-12-07 01:08:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:08:38,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 77 [2021-12-07 01:08:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:38,727 INFO L225 Difference]: With dead ends: 2527 [2021-12-07 01:08:38,727 INFO L226 Difference]: Without dead ends: 1412 [2021-12-07 01:08:38,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:08:38,728 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 195 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:38,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 304 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:08:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2021-12-07 01:08:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1082. [2021-12-07 01:08:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 1081 states have (on average 1.274745605920444) internal successors, (1378), 1081 states have internal predecessors, (1378), 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) [2021-12-07 01:08:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1378 transitions. [2021-12-07 01:08:38,753 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1378 transitions. Word has length 77 [2021-12-07 01:08:38,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:38,753 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1378 transitions. [2021-12-07 01:08:38,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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) [2021-12-07 01:08:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1378 transitions. [2021-12-07 01:08:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-07 01:08:38,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:38,754 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:38,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:08:38,754 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:38,755 INFO L85 PathProgramCache]: Analyzing trace with hash -529637703, now seen corresponding path program 1 times [2021-12-07 01:08:38,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:38,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982352406] [2021-12-07 01:08:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:38,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-07 01:08:38,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:38,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982352406] [2021-12-07 01:08:38,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982352406] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:38,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731051936] [2021-12-07 01:08:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:38,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:38,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:38,795 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:38,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 01:08:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:38,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:08:38,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-07 01:08:39,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-07 01:08:39,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731051936] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:39,146 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:39,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2021-12-07 01:08:39,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162458383] [2021-12-07 01:08:39,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:39,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:08:39,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:08:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:08:39,147 INFO L87 Difference]: Start difference. First operand 1082 states and 1378 transitions. Second operand has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 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) [2021-12-07 01:08:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:41,034 INFO L93 Difference]: Finished difference Result 6182 states and 7507 transitions. [2021-12-07 01:08:41,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-07 01:08:41,035 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 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 77 [2021-12-07 01:08:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:41,055 INFO L225 Difference]: With dead ends: 6182 [2021-12-07 01:08:41,055 INFO L226 Difference]: Without dead ends: 6109 [2021-12-07 01:08:41,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=378, Invalid=1514, Unknown=0, NotChecked=0, Total=1892 [2021-12-07 01:08:41,057 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 655 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:41,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 792 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-07 01:08:41,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6109 states. [2021-12-07 01:08:41,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6109 to 1604. [2021-12-07 01:08:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1603 states have (on average 1.4036182158452901) internal successors, (2250), 1603 states have internal predecessors, (2250), 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) [2021-12-07 01:08:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2250 transitions. [2021-12-07 01:08:41,149 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2250 transitions. Word has length 77 [2021-12-07 01:08:41,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:41,149 INFO L470 AbstractCegarLoop]: Abstraction has 1604 states and 2250 transitions. [2021-12-07 01:08:41,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 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) [2021-12-07 01:08:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2250 transitions. [2021-12-07 01:08:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-07 01:08:41,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:41,152 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:41,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-07 01:08:41,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-07 01:08:41,354 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:41,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:41,355 INFO L85 PathProgramCache]: Analyzing trace with hash -705708941, now seen corresponding path program 1 times [2021-12-07 01:08:41,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:41,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818997911] [2021-12-07 01:08:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:41,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 30 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-07 01:08:41,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:41,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818997911] [2021-12-07 01:08:41,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818997911] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:41,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169121504] [2021-12-07 01:08:41,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:41,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:41,558 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:41,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 01:08:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:41,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 01:08:41,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-12-07 01:08:41,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:08:41,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169121504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:41,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:08:41,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2021-12-07 01:08:41,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887314354] [2021-12-07 01:08:41,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:41,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:08:41,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:41,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:08:41,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:08:41,770 INFO L87 Difference]: Start difference. First operand 1604 states and 2250 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-12-07 01:08:41,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:41,922 INFO L93 Difference]: Finished difference Result 4188 states and 5649 transitions. [2021-12-07 01:08:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:08:41,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 83 [2021-12-07 01:08:41,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:41,932 INFO L225 Difference]: With dead ends: 4188 [2021-12-07 01:08:41,932 INFO L226 Difference]: Without dead ends: 2615 [2021-12-07 01:08:41,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:08:41,934 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 193 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:41,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 275 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:41,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2615 states. [2021-12-07 01:08:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2615 to 1936. [2021-12-07 01:08:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1935 states have (on average 1.3074935400516796) internal successors, (2530), 1935 states have internal predecessors, (2530), 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) [2021-12-07 01:08:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2530 transitions. [2021-12-07 01:08:41,977 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2530 transitions. Word has length 83 [2021-12-07 01:08:41,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:41,977 INFO L470 AbstractCegarLoop]: Abstraction has 1936 states and 2530 transitions. [2021-12-07 01:08:41,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-12-07 01:08:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2530 transitions. [2021-12-07 01:08:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-07 01:08:41,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:41,979 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:42,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-07 01:08:42,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-07 01:08:42,181 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1924468269, now seen corresponding path program 1 times [2021-12-07 01:08:42,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:42,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160919904] [2021-12-07 01:08:42,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:42,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 33 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-07 01:08:42,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:42,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160919904] [2021-12-07 01:08:42,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160919904] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:42,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182133592] [2021-12-07 01:08:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:42,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:42,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:42,402 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:42,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 01:08:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:42,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-07 01:08:42,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 44 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-07 01:08:43,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-07 01:08:43,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182133592] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:43,454 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:43,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 16 [2021-12-07 01:08:43,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271069204] [2021-12-07 01:08:43,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:43,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-07 01:08:43,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:43,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-07 01:08:43,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:08:43,455 INFO L87 Difference]: Start difference. First operand 1936 states and 2530 transitions. Second operand has 17 states, 16 states have (on average 10.5) internal successors, (168), 17 states have internal predecessors, (168), 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) [2021-12-07 01:08:45,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:45,288 INFO L93 Difference]: Finished difference Result 8517 states and 10279 transitions. [2021-12-07 01:08:45,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-07 01:08:45,288 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.5) internal successors, (168), 17 states have internal predecessors, (168), 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 83 [2021-12-07 01:08:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:45,312 INFO L225 Difference]: With dead ends: 8517 [2021-12-07 01:08:45,312 INFO L226 Difference]: Without dead ends: 7316 [2021-12-07 01:08:45,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=403, Invalid=1079, Unknown=0, NotChecked=0, Total=1482 [2021-12-07 01:08:45,315 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 1089 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:45,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1089 Valid, 1709 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-07 01:08:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7316 states. [2021-12-07 01:08:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7316 to 1658. [2021-12-07 01:08:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1658 states, 1657 states have (on average 1.2933011466505733) internal successors, (2143), 1657 states have internal predecessors, (2143), 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) [2021-12-07 01:08:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2143 transitions. [2021-12-07 01:08:45,375 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2143 transitions. Word has length 83 [2021-12-07 01:08:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:45,375 INFO L470 AbstractCegarLoop]: Abstraction has 1658 states and 2143 transitions. [2021-12-07 01:08:45,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.5) internal successors, (168), 17 states have internal predecessors, (168), 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) [2021-12-07 01:08:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2143 transitions. [2021-12-07 01:08:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-07 01:08:45,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:45,377 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:45,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-07 01:08:45,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:45,579 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:45,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1508814206, now seen corresponding path program 1 times [2021-12-07 01:08:45,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:45,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102147140] [2021-12-07 01:08:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:45,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-07 01:08:45,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:45,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102147140] [2021-12-07 01:08:45,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102147140] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:45,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236202222] [2021-12-07 01:08:45,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:45,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:45,702 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:45,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 01:08:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:45,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:08:45,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-07 01:08:45,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-07 01:08:46,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236202222] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:46,098 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:46,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6] total 12 [2021-12-07 01:08:46,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159613468] [2021-12-07 01:08:46,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:46,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:08:46,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:46,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:08:46,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:08:46,099 INFO L87 Difference]: Start difference. First operand 1658 states and 2143 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 12 states have internal predecessors, (129), 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) [2021-12-07 01:08:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:46,274 INFO L93 Difference]: Finished difference Result 2883 states and 3806 transitions. [2021-12-07 01:08:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:08:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 12 states have internal predecessors, (129), 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 83 [2021-12-07 01:08:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:46,279 INFO L225 Difference]: With dead ends: 2883 [2021-12-07 01:08:46,279 INFO L226 Difference]: Without dead ends: 1058 [2021-12-07 01:08:46,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:08:46,281 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 372 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:46,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 131 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:08:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2021-12-07 01:08:46,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 509. [2021-12-07 01:08:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 508 states have (on average 1.2165354330708662) internal successors, (618), 508 states have internal predecessors, (618), 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) [2021-12-07 01:08:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 618 transitions. [2021-12-07 01:08:46,299 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 618 transitions. Word has length 83 [2021-12-07 01:08:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:46,299 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 618 transitions. [2021-12-07 01:08:46,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 12 states have internal predecessors, (129), 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) [2021-12-07 01:08:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 618 transitions. [2021-12-07 01:08:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-07 01:08:46,300 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:46,300 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:46,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-07 01:08:46,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:46,501 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:46,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1081425873, now seen corresponding path program 1 times [2021-12-07 01:08:46,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:46,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463023589] [2021-12-07 01:08:46,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:46,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 67 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-12-07 01:08:46,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:46,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463023589] [2021-12-07 01:08:46,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463023589] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:46,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186106741] [2021-12-07 01:08:46,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:46,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:46,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:46,604 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:46,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-07 01:08:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:46,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 01:08:46,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 64 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-07 01:08:46,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:08:47,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186106741] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:47,128 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:47,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6] total 12 [2021-12-07 01:08:47,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275875104] [2021-12-07 01:08:47,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:47,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:08:47,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:47,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:08:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:08:47,129 INFO L87 Difference]: Start difference. First operand 509 states and 618 transitions. Second operand has 12 states, 12 states have (on average 11.25) internal successors, (135), 12 states have internal predecessors, (135), 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) [2021-12-07 01:08:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:47,526 INFO L93 Difference]: Finished difference Result 1580 states and 1908 transitions. [2021-12-07 01:08:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 01:08:47,527 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.25) internal successors, (135), 12 states have internal predecessors, (135), 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 93 [2021-12-07 01:08:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:47,530 INFO L225 Difference]: With dead ends: 1580 [2021-12-07 01:08:47,530 INFO L226 Difference]: Without dead ends: 1088 [2021-12-07 01:08:47,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:08:47,531 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 389 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:47,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 268 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:08:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2021-12-07 01:08:47,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 899. [2021-12-07 01:08:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 898 states have (on average 1.2260579064587973) internal successors, (1101), 898 states have internal predecessors, (1101), 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) [2021-12-07 01:08:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1101 transitions. [2021-12-07 01:08:47,553 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1101 transitions. Word has length 93 [2021-12-07 01:08:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:47,554 INFO L470 AbstractCegarLoop]: Abstraction has 899 states and 1101 transitions. [2021-12-07 01:08:47,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.25) internal successors, (135), 12 states have internal predecessors, (135), 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) [2021-12-07 01:08:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1101 transitions. [2021-12-07 01:08:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-07 01:08:47,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:47,555 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:47,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-07 01:08:47,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-12-07 01:08:47,756 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:47,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1639126430, now seen corresponding path program 1 times [2021-12-07 01:08:47,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:47,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835726949] [2021-12-07 01:08:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:47,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 64 proven. 7 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:08:47,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:47,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835726949] [2021-12-07 01:08:47,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835726949] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:08:47,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301882016] [2021-12-07 01:08:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:47,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:47,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:08:47,967 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:08:47,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-07 01:08:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:48,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-07 01:08:48,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:08:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 70 proven. 4 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-07 01:08:48,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:08:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 66 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-07 01:08:48,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301882016] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:08:48,573 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:08:48,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2021-12-07 01:08:48,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469552034] [2021-12-07 01:08:48,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:08:48,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-07 01:08:48,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:48,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-07 01:08:48,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2021-12-07 01:08:48,574 INFO L87 Difference]: Start difference. First operand 899 states and 1101 transitions. Second operand has 18 states, 18 states have (on average 8.944444444444445) internal successors, (161), 18 states have internal predecessors, (161), 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) [2021-12-07 01:08:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:08:52,964 INFO L93 Difference]: Finished difference Result 2381 states and 2834 transitions. [2021-12-07 01:08:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-12-07 01:08:52,965 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.944444444444445) internal successors, (161), 18 states have internal predecessors, (161), 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 99 [2021-12-07 01:08:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:08:52,969 INFO L225 Difference]: With dead ends: 2381 [2021-12-07 01:08:52,969 INFO L226 Difference]: Without dead ends: 1121 [2021-12-07 01:08:52,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2678 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1535, Invalid=7021, Unknown=0, NotChecked=0, Total=8556 [2021-12-07 01:08:52,972 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 2435 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2435 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 2059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:08:52,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2435 Valid, 748 Invalid, 2059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-07 01:08:52,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2021-12-07 01:08:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 575. [2021-12-07 01:08:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 574 states have (on average 1.2613240418118468) internal successors, (724), 574 states have internal predecessors, (724), 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) [2021-12-07 01:08:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 724 transitions. [2021-12-07 01:08:52,988 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 724 transitions. Word has length 99 [2021-12-07 01:08:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:08:52,988 INFO L470 AbstractCegarLoop]: Abstraction has 575 states and 724 transitions. [2021-12-07 01:08:52,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.944444444444445) internal successors, (161), 18 states have internal predecessors, (161), 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) [2021-12-07 01:08:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 724 transitions. [2021-12-07 01:08:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-07 01:08:52,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:08:52,989 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:52,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-07 01:08:53,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:08:53,191 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2021-12-07 01:08:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash 840122728, now seen corresponding path program 1 times [2021-12-07 01:08:53,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:53,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745318495] [2021-12-07 01:08:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:08:53,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:08:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:08:53,321 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:08:53,321 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:08:53,321 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2021-12-07 01:08:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2021-12-07 01:08:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2021-12-07 01:08:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2021-12-07 01:08:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2021-12-07 01:08:53,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 01:08:53,329 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:53,331 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:08:53,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:08:53 BoogieIcfgContainer [2021-12-07 01:08:53,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:08:53,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:08:53,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:08:53,397 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:08:53,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:08:19" (3/4) ... [2021-12-07 01:08:53,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:08:53,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:08:53,401 INFO L158 Benchmark]: Toolchain (without parser) took 34017.70ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 89.2MB in the beginning and 85.8MB in the end (delta: 3.4MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,401 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:08:53,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.29ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 77.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.60ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 75.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,402 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 73.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,402 INFO L158 Benchmark]: RCFGBuilder took 300.09ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 59.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,403 INFO L158 Benchmark]: TraceAbstraction took 33461.59ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 58.9MB in the beginning and 86.9MB in the end (delta: -28.0MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,403 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 136.3MB. Free memory was 86.9MB in the beginning and 85.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:08:53,405 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 71.3MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.29ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 77.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.60ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 75.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 73.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.09ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 59.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33461.59ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 58.9MB in the beginning and 86.9MB in the end (delta: -28.0MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 136.3MB. Free memory was 86.9MB in the beginning and 85.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, na=4] [L68] nb = (unsigned char)4 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=356] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=356] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=356] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=356] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=0, na=4, nb=4] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=4043440128] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=4043440128] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=4043440128] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=0, na=4, nb=4, partial_sum=0, r0=4043440128] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=0, r0=4043440128] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=4043440128] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=4043440128] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=4043440128] [L85] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=4043440128] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=4043440128] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=4043440128] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=4043440128] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=4043440128] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=4043440128] [L91] COND TRUE i == (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=4043440128] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=337, r0=4043440128] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=337, r0=4043440128] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=337, r0=4043440128] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, r0=4043440128] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, r0=4043440128] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L86] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129] [L87] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129] [L92] COND TRUE i == (unsigned char)2 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=4043440128, r1=4043440129] [L93] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=4043440128, r1=4043440129] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, r0=4043440128, r1=4043440129] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, r0=4043440128, r1=4043440129] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, r0=4043440128, r1=4043440129] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=2, r0=4043440128, r1=4043440129, r2=4043440130] [L102] COND FALSE !(i == (unsigned char)3) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, partial_sum=2, r0=4043440128, r1=4043440129, r2=4043440130] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=1, i=3, na=4, nb=4, partial_sum=2, r0=4043440128, r1=4043440129, r2=4043440130] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129, r2=4043440130] [L83] COND TRUE i < na VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129, r2=4043440130] [L84] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129, r2=4043440130] [L85] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129, r2=4043440130] [L86] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129, r2=4043440130] [L87] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=4043440128, r1=4043440129, r2=4043440130] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=4043440128, r1=4043440129, r2=4043440130] [L89] COND TRUE i < nb VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=4043440128, r1=4043440129, r2=4043440130] [L90] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=4043440128, r1=4043440129, r2=4043440130] [L91] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=4043440128, r1=4043440129, r2=4043440130] [L92] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=4043440128, r1=4043440129, r2=4043440130] [L93] COND TRUE i == (unsigned char)3 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=4043440128, r1=4043440129, r2=4043440130] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130] [L99] COND FALSE !(i == (unsigned char)0) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130] [L100] COND FALSE !(i == (unsigned char)1) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130] [L101] COND FALSE !(i == (unsigned char)2) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] [L107] COND FALSE !(i < (unsigned char)4) VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] [L116] r1 << 8U VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] [L116] r2 << 16U VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] [L116] r3 << 24U VAL [\old(a)=234770789, \old(b)=4043440127, a=234770789, a0=234770789, a1=917073, a2=3582, a3=13, b=4043440127, b0=4043440127, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, partial_sum=255, r0=4043440128, r1=4043440129, r2=4043440130, r3=255] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 33.3s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6678 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6678 mSDsluCounter, 7250 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 66 IncrementalHoareTripleChecker+Unchecked, 5103 mSDsCounter, 883 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5746 IncrementalHoareTripleChecker+Invalid, 6695 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 883 mSolverCounterUnsat, 2147 mSDtfsCounter, 5746 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1703 GetRequests, 1416 SyntacticMatches, 12 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3648 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1936occurred in iteration=18, InterpolantAutomatonStates: 245, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 13768 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 2148 NumberOfCodeBlocks, 2148 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2577 ConstructedInterpolants, 6 QuantifiedInterpolants, 10544 SizeOfPredicates, 45 NumberOfNonLiveVariables, 1959 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 41 InterpolantComputations, 15 PerfectInterpolantSequences, 2185/2481 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-07 01:08:53,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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_b6700893-0864-4781-b899-906edad77600/bin/uautomizer-DrprNOufMa/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: UNKNOWN: Overapproximated counterexample