./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f493a0ec5685991b86ced08697f863f174636a1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:49:15,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:15,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:15,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:15,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:15,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:15,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:15,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:15,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:15,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:15,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:15,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:15,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:15,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:15,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:15,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:15,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:15,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:15,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:15,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:15,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:15,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:15,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:15,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:15,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:15,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:15,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:15,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:15,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:15,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:15,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:15,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:15,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:15,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:15,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:15,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:15,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:15,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:15,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:15,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:15,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:15,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-12-07 11:49:15,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:15,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:15,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:49:15,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:49:15,910 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:49:15,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:15,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:49:15,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:49:15,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:15,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:49:15,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:15,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:49:15,911 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 11:49:15,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:49:15,911 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:15,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:49:15,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:15,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:49:15,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:15,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:15,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:15,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:15,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:15,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:49:15,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:49:15,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:49:15,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:49:15,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:15,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f493a0ec5685991b86ced08697f863f174636a1 [2019-12-07 11:49:16,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:16,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:16,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:16,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:16,042 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:16,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2019-12-07 11:49:16,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/data/b5f69d16d/46c91299e45943b1ab2b75708671e2b1/FLAG14e34c196 [2019-12-07 11:49:16,524 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:16,524 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2019-12-07 11:49:16,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/data/b5f69d16d/46c91299e45943b1ab2b75708671e2b1/FLAG14e34c196 [2019-12-07 11:49:16,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/data/b5f69d16d/46c91299e45943b1ab2b75708671e2b1 [2019-12-07 11:49:16,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:16,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:16,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:16,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:16,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:16,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1127a676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16, skipping insertion in model container [2019-12-07 11:49:16,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:16,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:16,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:16,679 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:49:16,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:16,739 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:49:16,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16 WrapperNode [2019-12-07 11:49:16,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:16,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:16,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:49:16,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:49:16,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:16,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:49:16,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:49:16,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:49:16,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... [2019-12-07 11:49:16,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:49:16,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:49:16,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:49:16,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:49:16,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:49:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:49:17,015 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:49:17,015 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 11:49:17,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:17 BoogieIcfgContainer [2019-12-07 11:49:17,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:17,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:17,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:17,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:17,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:49:16" (1/3) ... [2019-12-07 11:49:17,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebabf08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:17, skipping insertion in model container [2019-12-07 11:49:17,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:16" (2/3) ... [2019-12-07 11:49:17,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebabf08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:17, skipping insertion in model container [2019-12-07 11:49:17,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:17" (3/3) ... [2019-12-07 11:49:17,021 INFO L109 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-1.c [2019-12-07 11:49:17,029 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:17,034 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-12-07 11:49:17,041 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-12-07 11:49:17,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:17,057 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:49:17,058 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:17,058 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:17,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:17,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:17,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:17,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-12-07 11:49:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 11:49:17,079 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 11:49:17,080 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,084 INFO L82 PathProgramCache]: Analyzing trace with hash 957669, now seen corresponding path program 1 times [2019-12-07 11:49:17,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187426939] [2019-12-07 11:49:17,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187426939] [2019-12-07 11:49:17,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:17,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633442482] [2019-12-07 11:49:17,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:17,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:17,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:17,196 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 3 states. [2019-12-07 11:49:17,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,338 INFO L93 Difference]: Finished difference Result 181 states and 215 transitions. [2019-12-07 11:49:17,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:17,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-07 11:49:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,346 INFO L225 Difference]: With dead ends: 181 [2019-12-07 11:49:17,346 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 11:49:17,348 INFO L630 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 [2019-12-07 11:49:17,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 11:49:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 83. [2019-12-07 11:49:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 11:49:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2019-12-07 11:49:17,374 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 4 [2019-12-07 11:49:17,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,375 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2019-12-07 11:49:17,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2019-12-07 11:49:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 11:49:17,375 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,375 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 11:49:17,376 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:17,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,376 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2019-12-07 11:49:17,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004786328] [2019-12-07 11:49:17,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004786328] [2019-12-07 11:49:17,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:17,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257437850] [2019-12-07 11:49:17,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:17,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:17,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:17,391 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand 3 states. [2019-12-07 11:49:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,483 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2019-12-07 11:49:17,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:17,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-07 11:49:17,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,484 INFO L225 Difference]: With dead ends: 113 [2019-12-07 11:49:17,484 INFO L226 Difference]: Without dead ends: 97 [2019-12-07 11:49:17,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-12-07 11:49:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 81. [2019-12-07 11:49:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 11:49:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2019-12-07 11:49:17,491 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 4 [2019-12-07 11:49:17,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,491 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2019-12-07 11:49:17,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2019-12-07 11:49:17,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 11:49:17,491 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,491 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 11:49:17,492 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:17,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,492 INFO L82 PathProgramCache]: Analyzing trace with hash 29747371, now seen corresponding path program 1 times [2019-12-07 11:49:17,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813383398] [2019-12-07 11:49:17,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813383398] [2019-12-07 11:49:17,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:17,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961804891] [2019-12-07 11:49:17,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:17,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:17,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:17,507 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 3 states. [2019-12-07 11:49:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,574 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-12-07 11:49:17,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:17,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 11:49:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,576 INFO L225 Difference]: With dead ends: 90 [2019-12-07 11:49:17,576 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 11:49:17,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 11:49:17,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2019-12-07 11:49:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 11:49:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2019-12-07 11:49:17,583 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 5 [2019-12-07 11:49:17,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,583 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2019-12-07 11:49:17,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2019-12-07 11:49:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 11:49:17,584 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,584 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:17,584 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:17,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1540529751, now seen corresponding path program 1 times [2019-12-07 11:49:17,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620457499] [2019-12-07 11:49:17,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620457499] [2019-12-07 11:49:17,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:17,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439470831] [2019-12-07 11:49:17,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:17,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:17,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,607 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 4 states. [2019-12-07 11:49:17,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,724 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2019-12-07 11:49:17,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:17,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 11:49:17,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,725 INFO L225 Difference]: With dead ends: 129 [2019-12-07 11:49:17,725 INFO L226 Difference]: Without dead ends: 122 [2019-12-07 11:49:17,726 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-12-07 11:49:17,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 96. [2019-12-07 11:49:17,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 11:49:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2019-12-07 11:49:17,731 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 7 [2019-12-07 11:49:17,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,731 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2019-12-07 11:49:17,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2019-12-07 11:49:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 11:49:17,731 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,731 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:17,732 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:17,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1440726131, now seen corresponding path program 1 times [2019-12-07 11:49:17,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569865643] [2019-12-07 11:49:17,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569865643] [2019-12-07 11:49:17,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:17,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752145116] [2019-12-07 11:49:17,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:17,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:17,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,751 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 4 states. [2019-12-07 11:49:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,824 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-12-07 11:49:17,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:17,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-07 11:49:17,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,825 INFO L225 Difference]: With dead ends: 105 [2019-12-07 11:49:17,825 INFO L226 Difference]: Without dead ends: 104 [2019-12-07 11:49:17,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-12-07 11:49:17,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2019-12-07 11:49:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 11:49:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2019-12-07 11:49:17,831 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 8 [2019-12-07 11:49:17,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,831 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2019-12-07 11:49:17,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2019-12-07 11:49:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 11:49:17,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:17,832 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:17,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2098770931, now seen corresponding path program 1 times [2019-12-07 11:49:17,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014038702] [2019-12-07 11:49:17,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014038702] [2019-12-07 11:49:17,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:49:17,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699574961] [2019-12-07 11:49:17,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:49:17,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:49:17,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:17,857 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 5 states. [2019-12-07 11:49:18,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,006 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2019-12-07 11:49:18,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:49:18,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-07 11:49:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,007 INFO L225 Difference]: With dead ends: 150 [2019-12-07 11:49:18,007 INFO L226 Difference]: Without dead ends: 144 [2019-12-07 11:49:18,008 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-12-07 11:49:18,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2019-12-07 11:49:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 11:49:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2019-12-07 11:49:18,013 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 10 [2019-12-07 11:49:18,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,014 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2019-12-07 11:49:18,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:49:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2019-12-07 11:49:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 11:49:18,014 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:18,015 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:18,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1064053241, now seen corresponding path program 1 times [2019-12-07 11:49:18,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605459118] [2019-12-07 11:49:18,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605459118] [2019-12-07 11:49:18,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:49:18,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879609154] [2019-12-07 11:49:18,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:49:18,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:49:18,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:18,040 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 5 states. [2019-12-07 11:49:18,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,124 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2019-12-07 11:49:18,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:49:18,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-07 11:49:18,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,125 INFO L225 Difference]: With dead ends: 114 [2019-12-07 11:49:18,125 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 11:49:18,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:49:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 11:49:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2019-12-07 11:49:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-12-07 11:49:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2019-12-07 11:49:18,130 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 11 [2019-12-07 11:49:18,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,130 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2019-12-07 11:49:18,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:49:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2019-12-07 11:49:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 11:49:18,130 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,131 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:18,131 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:18,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1649017929, now seen corresponding path program 1 times [2019-12-07 11:49:18,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684701953] [2019-12-07 11:49:18,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684701953] [2019-12-07 11:49:18,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:49:18,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576144951] [2019-12-07 11:49:18,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:49:18,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:49:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:18,165 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 6 states. [2019-12-07 11:49:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,333 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2019-12-07 11:49:18,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:49:18,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-12-07 11:49:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,334 INFO L225 Difference]: With dead ends: 168 [2019-12-07 11:49:18,334 INFO L226 Difference]: Without dead ends: 163 [2019-12-07 11:49:18,334 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:18,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-12-07 11:49:18,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 108. [2019-12-07 11:49:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-12-07 11:49:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 117 transitions. [2019-12-07 11:49:18,338 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 117 transitions. Word has length 13 [2019-12-07 11:49:18,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,338 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 117 transitions. [2019-12-07 11:49:18,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:49:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2019-12-07 11:49:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 11:49:18,339 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,339 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:18,339 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1943421695, now seen corresponding path program 1 times [2019-12-07 11:49:18,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968089172] [2019-12-07 11:49:18,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968089172] [2019-12-07 11:49:18,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:49:18,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452278206] [2019-12-07 11:49:18,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:49:18,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:49:18,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:18,367 INFO L87 Difference]: Start difference. First operand 108 states and 117 transitions. Second operand 6 states. [2019-12-07 11:49:18,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,471 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2019-12-07 11:49:18,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:49:18,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 11:49:18,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,472 INFO L225 Difference]: With dead ends: 117 [2019-12-07 11:49:18,472 INFO L226 Difference]: Without dead ends: 116 [2019-12-07 11:49:18,472 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:49:18,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-07 11:49:18,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 107. [2019-12-07 11:49:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 11:49:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2019-12-07 11:49:18,476 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 14 [2019-12-07 11:49:18,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,477 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2019-12-07 11:49:18,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:49:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2019-12-07 11:49:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:49:18,478 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,478 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:18,478 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:18,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash -57105471, now seen corresponding path program 1 times [2019-12-07 11:49:18,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357292190] [2019-12-07 11:49:18,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,515 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357292190] [2019-12-07 11:49:18,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:49:18,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976313773] [2019-12-07 11:49:18,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 11:49:18,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:49:18,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:49:18,517 INFO L87 Difference]: Start difference. First operand 107 states and 116 transitions. Second operand 7 states. [2019-12-07 11:49:18,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,760 INFO L93 Difference]: Finished difference Result 183 states and 192 transitions. [2019-12-07 11:49:18,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:49:18,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2019-12-07 11:49:18,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,761 INFO L225 Difference]: With dead ends: 183 [2019-12-07 11:49:18,762 INFO L226 Difference]: Without dead ends: 179 [2019-12-07 11:49:18,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:49:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-12-07 11:49:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 105. [2019-12-07 11:49:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 11:49:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2019-12-07 11:49:18,765 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 16 [2019-12-07 11:49:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,765 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2019-12-07 11:49:18,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 11:49:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2019-12-07 11:49:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 11:49:18,766 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,766 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:18,766 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:18,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,767 INFO L82 PathProgramCache]: Analyzing trace with hash -316464313, now seen corresponding path program 1 times [2019-12-07 11:49:18,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306005263] [2019-12-07 11:49:18,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306005263] [2019-12-07 11:49:18,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:49:18,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906145394] [2019-12-07 11:49:18,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 11:49:18,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:49:18,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:49:18,800 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 7 states. [2019-12-07 11:49:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,899 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2019-12-07 11:49:18,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:49:18,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-12-07 11:49:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,900 INFO L225 Difference]: With dead ends: 114 [2019-12-07 11:49:18,900 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 11:49:18,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:49:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 11:49:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2019-12-07 11:49:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-12-07 11:49:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2019-12-07 11:49:18,903 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 17 [2019-12-07 11:49:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,904 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2019-12-07 11:49:18,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 11:49:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2019-12-07 11:49:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:49:18,905 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,905 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:18,905 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,905 INFO L82 PathProgramCache]: Analyzing trace with hash -421937723, now seen corresponding path program 1 times [2019-12-07 11:49:18,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751041251] [2019-12-07 11:49:18,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751041251] [2019-12-07 11:49:18,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 11:49:18,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755689948] [2019-12-07 11:49:18,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:49:18,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:49:18,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:18,945 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand 8 states. [2019-12-07 11:49:19,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:19,185 INFO L93 Difference]: Finished difference Result 195 states and 204 transitions. [2019-12-07 11:49:19,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:49:19,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-12-07 11:49:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:19,186 INFO L225 Difference]: With dead ends: 195 [2019-12-07 11:49:19,186 INFO L226 Difference]: Without dead ends: 192 [2019-12-07 11:49:19,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:19,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-12-07 11:49:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 96. [2019-12-07 11:49:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 11:49:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2019-12-07 11:49:19,188 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 19 [2019-12-07 11:49:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:19,189 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2019-12-07 11:49:19,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:49:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2019-12-07 11:49:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 11:49:19,189 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,189 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:19,190 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:19,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,190 INFO L82 PathProgramCache]: Analyzing trace with hash -335018609, now seen corresponding path program 1 times [2019-12-07 11:49:19,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:19,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414781043] [2019-12-07 11:49:19,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:19,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414781043] [2019-12-07 11:49:19,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:19,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 11:49:19,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576764068] [2019-12-07 11:49:19,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:49:19,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:19,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:49:19,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:19,222 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 8 states. [2019-12-07 11:49:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:19,323 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2019-12-07 11:49:19,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:49:19,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-12-07 11:49:19,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:19,324 INFO L225 Difference]: With dead ends: 105 [2019-12-07 11:49:19,324 INFO L226 Difference]: Without dead ends: 104 [2019-12-07 11:49:19,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:19,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-12-07 11:49:19,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2019-12-07 11:49:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 11:49:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2019-12-07 11:49:19,326 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 20 [2019-12-07 11:49:19,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:19,326 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2019-12-07 11:49:19,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:49:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2019-12-07 11:49:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 11:49:19,327 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,327 INFO L410 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] [2019-12-07 11:49:19,327 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:19,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1422683023, now seen corresponding path program 1 times [2019-12-07 11:49:19,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:19,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73113849] [2019-12-07 11:49:19,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:19,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73113849] [2019-12-07 11:49:19,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:19,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 11:49:19,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898624247] [2019-12-07 11:49:19,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 11:49:19,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:19,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:49:19,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:49:19,364 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 9 states. [2019-12-07 11:49:19,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:19,632 INFO L93 Difference]: Finished difference Result 204 states and 213 transitions. [2019-12-07 11:49:19,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:49:19,632 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-12-07 11:49:19,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:19,633 INFO L225 Difference]: With dead ends: 204 [2019-12-07 11:49:19,633 INFO L226 Difference]: Without dead ends: 202 [2019-12-07 11:49:19,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:49:19,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-12-07 11:49:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 81. [2019-12-07 11:49:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 11:49:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 90 transitions. [2019-12-07 11:49:19,636 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 90 transitions. Word has length 22 [2019-12-07 11:49:19,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:19,636 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 90 transitions. [2019-12-07 11:49:19,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 11:49:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2019-12-07 11:49:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 11:49:19,637 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,637 INFO L410 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] [2019-12-07 11:49:19,637 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:19,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,637 INFO L82 PathProgramCache]: Analyzing trace with hash 964744341, now seen corresponding path program 1 times [2019-12-07 11:49:19,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:19,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643066330] [2019-12-07 11:49:19,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:19,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643066330] [2019-12-07 11:49:19,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:19,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 11:49:19,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256882150] [2019-12-07 11:49:19,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 11:49:19,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:19,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:49:19,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:49:19,678 INFO L87 Difference]: Start difference. First operand 81 states and 90 transitions. Second operand 9 states. [2019-12-07 11:49:19,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:19,768 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-12-07 11:49:19,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:49:19,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-12-07 11:49:19,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:19,769 INFO L225 Difference]: With dead ends: 90 [2019-12-07 11:49:19,769 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 11:49:19,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:49:19,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 11:49:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2019-12-07 11:49:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 11:49:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2019-12-07 11:49:19,771 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 23 [2019-12-07 11:49:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:19,771 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2019-12-07 11:49:19,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 11:49:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2019-12-07 11:49:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 11:49:19,772 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,772 INFO L410 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] [2019-12-07 11:49:19,772 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,773 INFO L82 PathProgramCache]: Analyzing trace with hash 412788691, now seen corresponding path program 1 times [2019-12-07 11:49:19,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:19,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709548187] [2019-12-07 11:49:19,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:19,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709548187] [2019-12-07 11:49:19,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:19,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 11:49:19,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817709754] [2019-12-07 11:49:19,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 11:49:19,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:19,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 11:49:19,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:49:19,813 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 10 states. [2019-12-07 11:49:20,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:20,032 INFO L93 Difference]: Finished difference Result 210 states and 219 transitions. [2019-12-07 11:49:20,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 11:49:20,032 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2019-12-07 11:49:20,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:20,033 INFO L225 Difference]: With dead ends: 210 [2019-12-07 11:49:20,033 INFO L226 Difference]: Without dead ends: 209 [2019-12-07 11:49:20,033 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:49:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-12-07 11:49:20,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 60. [2019-12-07 11:49:20,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 11:49:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2019-12-07 11:49:20,035 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 25 [2019-12-07 11:49:20,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:20,035 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2019-12-07 11:49:20,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 11:49:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2019-12-07 11:49:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:49:20,036 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:20,036 INFO L410 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] [2019-12-07 11:49:20,036 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:20,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1222339043, now seen corresponding path program 1 times [2019-12-07 11:49:20,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:20,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561843443] [2019-12-07 11:49:20,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:20,081 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561843443] [2019-12-07 11:49:20,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:20,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 11:49:20,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217744987] [2019-12-07 11:49:20,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 11:49:20,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:20,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 11:49:20,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:49:20,082 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 10 states. [2019-12-07 11:49:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:20,175 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2019-12-07 11:49:20,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 11:49:20,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2019-12-07 11:49:20,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:20,175 INFO L225 Difference]: With dead ends: 69 [2019-12-07 11:49:20,175 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 11:49:20,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:49:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 11:49:20,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 59. [2019-12-07 11:49:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 11:49:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2019-12-07 11:49:20,177 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 26 [2019-12-07 11:49:20,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:20,177 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2019-12-07 11:49:20,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 11:49:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2019-12-07 11:49:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 11:49:20,178 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:20,178 INFO L410 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] [2019-12-07 11:49:20,178 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:20,178 INFO L82 PathProgramCache]: Analyzing trace with hash 896666621, now seen corresponding path program 1 times [2019-12-07 11:49:20,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:20,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683703501] [2019-12-07 11:49:20,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:20,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683703501] [2019-12-07 11:49:20,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:20,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 11:49:20,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678661756] [2019-12-07 11:49:20,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 11:49:20,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:20,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 11:49:20,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:49:20,231 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 12 states. [2019-12-07 11:49:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:20,610 INFO L93 Difference]: Finished difference Result 200 states and 217 transitions. [2019-12-07 11:49:20,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-07 11:49:20,610 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2019-12-07 11:49:20,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:20,611 INFO L225 Difference]: With dead ends: 200 [2019-12-07 11:49:20,611 INFO L226 Difference]: Without dead ends: 199 [2019-12-07 11:49:20,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2019-12-07 11:49:20,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-12-07 11:49:20,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 58. [2019-12-07 11:49:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 11:49:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2019-12-07 11:49:20,613 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 28 [2019-12-07 11:49:20,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:20,613 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2019-12-07 11:49:20,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 11:49:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2019-12-07 11:49:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 11:49:20,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:20,614 INFO L410 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] [2019-12-07 11:49:20,614 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:20,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:20,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2026861636, now seen corresponding path program 1 times [2019-12-07 11:49:20,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:20,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025856964] [2019-12-07 11:49:20,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:20,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025856964] [2019-12-07 11:49:20,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:20,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-12-07 11:49:20,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150062565] [2019-12-07 11:49:20,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 11:49:20,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:20,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 11:49:20,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:49:20,681 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 12 states. [2019-12-07 11:49:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:20,906 INFO L93 Difference]: Finished difference Result 160 states and 176 transitions. [2019-12-07 11:49:20,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 11:49:20,906 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-12-07 11:49:20,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:20,908 INFO L225 Difference]: With dead ends: 160 [2019-12-07 11:49:20,908 INFO L226 Difference]: Without dead ends: 159 [2019-12-07 11:49:20,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2019-12-07 11:49:20,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-12-07 11:49:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 61. [2019-12-07 11:49:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-12-07 11:49:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2019-12-07 11:49:20,912 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 29 [2019-12-07 11:49:20,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:20,912 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2019-12-07 11:49:20,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 11:49:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2019-12-07 11:49:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 11:49:20,912 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:20,912 INFO L410 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] [2019-12-07 11:49:20,913 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 11:49:20,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:20,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1969538558, now seen corresponding path program 1 times [2019-12-07 11:49:20,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:20,913 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305572721] [2019-12-07 11:49:20,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:49:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:49:20,942 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:49:20,942 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:49:20,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:49:20 BoogieIcfgContainer [2019-12-07 11:49:20,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:49:20,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:49:20,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:49:20,961 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:49:20,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:17" (3/4) ... [2019-12-07 11:49:20,963 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 11:49:21,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9a1c01f4-ae0b-4061-956c-4fa931e8146b/bin/uautomizer/witness.graphml [2019-12-07 11:49:21,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:49:21,002 INFO L168 Benchmark]: Toolchain (without parser) took 4459.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -76.9 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,002 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:21,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:21,003 INFO L168 Benchmark]: Boogie Preprocessor took 13.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:21,004 INFO L168 Benchmark]: RCFGBuilder took 236.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,004 INFO L168 Benchmark]: TraceAbstraction took 3944.07 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,004 INFO L168 Benchmark]: Witness Printer took 39.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 236.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3944.07 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND FALSE !(x > 0) [L27] EXPR x - 1 [L27] x = x - 1 [L29] COND FALSE !(x > 0) [L32] EXPR x - 1 [L32] x = x - 1 [L34] COND FALSE !(x > 0) [L37] EXPR x - 1 [L37] x = x - 1 [L39] COND FALSE !(x > 0) [L42] EXPR x - 1 [L42] x = x - 1 [L44] COND FALSE !(x > 0) [L47] EXPR x - 1 [L47] x = x - 1 [L49] COND FALSE !(x > 0) [L52] EXPR x - 1 [L52] x = x - 1 [L54] COND FALSE !(x > 0) [L57] EXPR x - 1 [L57] x = x - 1 [L59] COND FALSE !(x > 0) [L62] EXPR x - 1 [L62] x = x - 1 [L64] COND TRUE y<100 && z<100 [L65] y+x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 36 error locations. Result: UNSAFE, OverallTime: 3.8s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 464 SDtfs, 1764 SDslu, 162 SDs, 0 SdLazy, 5610 SolverSat, 718 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 896 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 22006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...