./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 cef9e7357e5866cfee2e0786275c055313fe702817c3f9b7dc153adbf9242644 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:10:30,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:10:30,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 22:10:30,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:10:30,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:10:30,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:10:30,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:10:30,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:10:30,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:10:30,666 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:10:30,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:10:30,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:10:30,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:10:30,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:10:30,671 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:10:30,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:10:30,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:10:30,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:10:30,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:10:30,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:10:30,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:10:30,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:10:30,675 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:10:30,675 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:10:30,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:10:30,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:10:30,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:10:30,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:10:30,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:10:30,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:10:30,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:30,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:10:30,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:10:30,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:10:30,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:10:30,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:10:30,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:10:30,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:10:30,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:10:30,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:10:30,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:10:30,683 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cef9e7357e5866cfee2e0786275c055313fe702817c3f9b7dc153adbf9242644 [2023-11-21 22:10:31,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:10:31,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:10:31,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:10:31,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:10:31,057 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:10:31,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_good.i [2023-11-21 22:10:34,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:10:34,598 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:10:34,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_good.i [2023-11-21 22:10:34,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/data/4cb471b1f/6ea500fa020c44c59360c0cf05b64862/FLAGa6907e664 [2023-11-21 22:10:34,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/data/4cb471b1f/6ea500fa020c44c59360c0cf05b64862 [2023-11-21 22:10:34,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:10:34,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:10:34,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:34,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:10:34,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:10:34,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:34" (1/1) ... [2023-11-21 22:10:34,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574fae16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:34, skipping insertion in model container [2023-11-21 22:10:34,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:34" (1/1) ... [2023-11-21 22:10:34,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:10:35,257 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:10:35,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:35,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:10:35,992 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:10:36,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:36,294 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:36,294 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:36,295 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:36,295 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:36,295 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:36,303 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:10:36,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36 WrapperNode [2023-11-21 22:10:36,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:36,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:36,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:10:36,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:10:36,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,405 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 79 [2023-11-21 22:10:36,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:36,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:10:36,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:10:36,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:10:36,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,421 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,433 INFO L187 HeapSplitter]: Split 1 memory accesses to 1 slices as follows [1] [2023-11-21 22:10:36,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:10:36,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:10:36,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:10:36,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:10:36,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (1/1) ... [2023-11-21 22:10:36,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:36,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:36,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:10:36,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:10:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 22:10:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 22:10:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 22:10:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 22:10:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:10:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:10:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:10:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 22:10:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:10:36,724 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:10:36,727 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:10:36,948 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:10:37,004 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:10:37,004 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:10:37,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:37 BoogieIcfgContainer [2023-11-21 22:10:37,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:10:37,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:10:37,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:10:37,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:10:37,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:34" (1/3) ... [2023-11-21 22:10:37,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da107d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:37, skipping insertion in model container [2023-11-21 22:10:37,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:36" (2/3) ... [2023-11-21 22:10:37,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da107d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:37, skipping insertion in model container [2023-11-21 22:10:37,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:37" (3/3) ... [2023-11-21 22:10:37,020 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_09_good.i [2023-11-21 22:10:37,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:10:37,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-21 22:10:37,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:10:37,095 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a88b4bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:10:37,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-21 22:10:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:10:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:10:37,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:37,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:37,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:37,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1310305130, now seen corresponding path program 1 times [2023-11-21 22:10:37,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:37,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049020349] [2023-11-21 22:10:37,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:37,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:37,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:37,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049020349] [2023-11-21 22:10:37,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049020349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:37,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:37,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:10:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665103772] [2023-11-21 22:10:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:37,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:37,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:37,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:37,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:37,566 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:10:37,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:37,654 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2023-11-21 22:10:37,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:37,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2023-11-21 22:10:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:37,665 INFO L225 Difference]: With dead ends: 50 [2023-11-21 22:10:37,665 INFO L226 Difference]: Without dead ends: 43 [2023-11-21 22:10:37,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:37,673 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 4 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:37,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 98 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-21 22:10:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2023-11-21 22:10:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 25 states have (on average 1.48) internal successors, (37), 35 states have internal predecessors, (37), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 22:10:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2023-11-21 22:10:37,723 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 8 [2023-11-21 22:10:37,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:37,725 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2023-11-21 22:10:37,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:10:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-21 22:10:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 22:10:37,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:37,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:37,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:10:37,730 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:37,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1964753303, now seen corresponding path program 1 times [2023-11-21 22:10:37,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:37,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715748211] [2023-11-21 22:10:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:37,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:37,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:37,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715748211] [2023-11-21 22:10:37,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715748211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:37,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:37,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:10:37,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122560677] [2023-11-21 22:10:37,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:37,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:10:37,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:37,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:10:37,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:10:37,872 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:10:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:37,940 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2023-11-21 22:10:37,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:10:37,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-21 22:10:37,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:37,942 INFO L225 Difference]: With dead ends: 43 [2023-11-21 22:10:37,942 INFO L226 Difference]: Without dead ends: 42 [2023-11-21 22:10:37,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:10:37,944 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 6 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:37,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 80 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:10:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-21 22:10:37,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-11-21 22:10:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.44) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 22:10:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2023-11-21 22:10:37,955 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 9 [2023-11-21 22:10:37,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:37,955 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2023-11-21 22:10:37,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:10:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-21 22:10:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 22:10:37,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:37,957 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:37,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:10:37,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:37,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1002794602, now seen corresponding path program 1 times [2023-11-21 22:10:37,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:37,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605394197] [2023-11-21 22:10:37,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:37,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-21 22:10:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:10:38,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:38,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605394197] [2023-11-21 22:10:38,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605394197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:38,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:38,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:10:38,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425186777] [2023-11-21 22:10:38,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:38,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:38,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:38,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:38,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,075 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:10:38,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:38,109 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2023-11-21 22:10:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:38,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2023-11-21 22:10:38,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:38,112 INFO L225 Difference]: With dead ends: 70 [2023-11-21 22:10:38,113 INFO L226 Difference]: Without dead ends: 39 [2023-11-21 22:10:38,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,116 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:38,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 38 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:38,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-21 22:10:38,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-21 22:10:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.36) internal successors, (34), 32 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:10:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-11-21 22:10:38,137 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 13 [2023-11-21 22:10:38,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:38,137 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-21 22:10:38,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:10:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-21 22:10:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 22:10:38,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,140 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:10:38,141 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:38,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1466417492, now seen corresponding path program 1 times [2023-11-21 22:10:38,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229357122] [2023-11-21 22:10:38,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:10:38,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:38,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229357122] [2023-11-21 22:10:38,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229357122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:38,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:38,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:10:38,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101488828] [2023-11-21 22:10:38,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:38,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:38,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:38,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:38,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,215 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:10:38,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:38,243 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2023-11-21 22:10:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:38,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-21 22:10:38,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:38,245 INFO L225 Difference]: With dead ends: 40 [2023-11-21 22:10:38,245 INFO L226 Difference]: Without dead ends: 39 [2023-11-21 22:10:38,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,247 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:38,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 68 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:38,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-21 22:10:38,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2023-11-21 22:10:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:10:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2023-11-21 22:10:38,256 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 14 [2023-11-21 22:10:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:38,256 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2023-11-21 22:10:38,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:10:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-21 22:10:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 22:10:38,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,258 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:10:38,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:38,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1785697918, now seen corresponding path program 1 times [2023-11-21 22:10:38,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746725936] [2023-11-21 22:10:38,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:10:38,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:38,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746725936] [2023-11-21 22:10:38,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746725936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:38,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:38,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:10:38,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744767355] [2023-11-21 22:10:38,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:38,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:10:38,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:38,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:10:38,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:10:38,418 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:10:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:38,477 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2023-11-21 22:10:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:10:38,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-21 22:10:38,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:38,479 INFO L225 Difference]: With dead ends: 62 [2023-11-21 22:10:38,479 INFO L226 Difference]: Without dead ends: 40 [2023-11-21 22:10:38,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:10:38,481 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:38,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 80 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-21 22:10:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2023-11-21 22:10:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 27 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:10:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2023-11-21 22:10:38,494 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 15 [2023-11-21 22:10:38,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:38,494 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2023-11-21 22:10:38,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:10:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-21 22:10:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 22:10:38,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,496 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:10:38,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:38,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash 492227305, now seen corresponding path program 1 times [2023-11-21 22:10:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732137746] [2023-11-21 22:10:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:10:38,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:38,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732137746] [2023-11-21 22:10:38,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732137746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:38,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:38,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:10:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930561467] [2023-11-21 22:10:38,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:38,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:38,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:38,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:38,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,562 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:10:38,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:38,582 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2023-11-21 22:10:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:38,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2023-11-21 22:10:38,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:38,584 INFO L225 Difference]: With dead ends: 50 [2023-11-21 22:10:38,584 INFO L226 Difference]: Without dead ends: 33 [2023-11-21 22:10:38,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,586 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:38,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 27 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:38,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-21 22:10:38,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-21 22:10:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 26 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:10:38,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2023-11-21 22:10:38,594 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 16 [2023-11-21 22:10:38,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:38,595 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2023-11-21 22:10:38,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:10:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2023-11-21 22:10:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 22:10:38,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,597 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:10:38,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:38,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1895276219, now seen corresponding path program 1 times [2023-11-21 22:10:38,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768058311] [2023-11-21 22:10:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:10:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:10:38,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:38,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768058311] [2023-11-21 22:10:38,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768058311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:38,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:38,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:10:38,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273691051] [2023-11-21 22:10:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:38,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:38,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:38,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,684 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 22:10:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:38,708 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2023-11-21 22:10:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:38,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2023-11-21 22:10:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:38,710 INFO L225 Difference]: With dead ends: 33 [2023-11-21 22:10:38,711 INFO L226 Difference]: Without dead ends: 32 [2023-11-21 22:10:38,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,712 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:38,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:38,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-21 22:10:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-21 22:10:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 25 states have internal predecessors, (25), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:10:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2023-11-21 22:10:38,721 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2023-11-21 22:10:38,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:38,721 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2023-11-21 22:10:38,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 22:10:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-11-21 22:10:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 22:10:38,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,723 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:10:38,723 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:38,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1375979465, now seen corresponding path program 1 times [2023-11-21 22:10:38,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008452045] [2023-11-21 22:10:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:10:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:10:38,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:38,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008452045] [2023-11-21 22:10:38,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008452045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:38,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:38,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:10:38,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570441454] [2023-11-21 22:10:38,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:38,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:38,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:38,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:38,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,796 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 22:10:38,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:38,831 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2023-11-21 22:10:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:38,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-11-21 22:10:38,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:38,835 INFO L225 Difference]: With dead ends: 32 [2023-11-21 22:10:38,836 INFO L226 Difference]: Without dead ends: 31 [2023-11-21 22:10:38,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:38,839 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:38,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:38,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-21 22:10:38,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-21 22:10:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 24 states have internal predecessors, (24), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:10:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2023-11-21 22:10:38,855 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 21 [2023-11-21 22:10:38,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:38,856 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2023-11-21 22:10:38,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 22:10:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-21 22:10:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 22:10:38,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,861 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:10:38,862 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:38,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash 512413034, now seen corresponding path program 1 times [2023-11-21 22:10:38,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241836806] [2023-11-21 22:10:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:10:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:10:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:10:39,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241836806] [2023-11-21 22:10:39,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241836806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:39,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:39,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:10:39,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958197572] [2023-11-21 22:10:39,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:39,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:10:39,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:39,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:10:39,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:10:39,014 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:10:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:39,056 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2023-11-21 22:10:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:10:39,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-11-21 22:10:39,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:39,060 INFO L225 Difference]: With dead ends: 31 [2023-11-21 22:10:39,060 INFO L226 Difference]: Without dead ends: 30 [2023-11-21 22:10:39,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:10:39,065 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 24 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:39,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 44 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-21 22:10:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-21 22:10:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:10:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2023-11-21 22:10:39,082 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 28 [2023-11-21 22:10:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:39,084 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2023-11-21 22:10:39,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:10:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-21 22:10:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 22:10:39,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:39,089 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:39,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:10:39,090 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-21 22:10:39,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:39,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1295065001, now seen corresponding path program 1 times [2023-11-21 22:10:39,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:39,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072435690] [2023-11-21 22:10:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:39,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:10:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:10:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:10:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:10:39,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:39,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072435690] [2023-11-21 22:10:39,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072435690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:39,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:39,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:10:39,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867368240] [2023-11-21 22:10:39,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:39,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:10:39,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:39,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:10:39,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:10:39,225 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:10:39,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:39,260 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2023-11-21 22:10:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:10:39,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2023-11-21 22:10:39,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:39,262 INFO L225 Difference]: With dead ends: 30 [2023-11-21 22:10:39,262 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:10:39,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:10:39,264 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 21 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:39,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 44 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:10:39,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:10:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:39,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:10:39,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-21 22:10:39,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:39,268 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:10:39,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:10:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:10:39,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:10:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-21 22:10:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-21 22:10:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-21 22:10:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-21 22:10:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-21 22:10:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-21 22:10:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-21 22:10:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-21 22:10:39,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:10:39,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:10:39,347 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-21 22:10:39,347 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-21 22:10:39,347 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-21 22:10:39,348 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-21 22:10:39,348 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: false [2023-11-21 22:10:39,349 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-21 22:10:39,349 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-21 22:10:39,349 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-21 22:10:39,349 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-21 22:10:39,351 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2023-11-21 22:10:39,351 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-21 22:10:39,351 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-21 22:10:39,351 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-21 22:10:39,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-21 22:10:39,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-21 22:10:39,352 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-21 22:10:39,352 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-21 22:10:39,353 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2023-11-21 22:10:39,353 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-21 22:10:39,353 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2023-11-21 22:10:39,354 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2023-11-21 22:10:39,354 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1615 1629) no Hoare annotation was computed. [2023-11-21 22:10:39,354 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1572) no Hoare annotation was computed. [2023-11-21 22:10:39,354 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2023-11-21 22:10:39,354 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2023-11-21 22:10:39,355 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-21 22:10:39,355 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1574 1593) no Hoare annotation was computed. [2023-11-21 22:10:39,355 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1593) no Hoare annotation was computed. [2023-11-21 22:10:39,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-21 22:10:39,356 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (or (< (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) 0) (= |ULTIMATE.start_goodB2G1_~data~0#1| 0)) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-11-21 22:10:39,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:10:39,356 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1548 1572) no Hoare annotation was computed. [2023-11-21 22:10:39,356 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1605) no Hoare annotation was computed. [2023-11-21 22:10:39,357 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_goodB2G1_~data~0#1| 0)) [2023-11-21 22:10:39,357 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1595 1613) no Hoare annotation was computed. [2023-11-21 22:10:39,357 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-21 22:10:39,357 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-21 22:10:39,357 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2023-11-21 22:10:39,358 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-11-21 22:10:39,358 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: false [2023-11-21 22:10:39,358 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-21 22:10:39,358 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:10:39,358 INFO L895 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-11-21 22:10:39,359 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2023-11-21 22:10:39,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-21 22:10:39,359 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-21 22:10:39,359 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-21 22:10:39,359 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2023-11-21 22:10:39,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-21 22:10:39,363 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:39,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:10:39,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:10:39 BoogieIcfgContainer [2023-11-21 22:10:39,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:10:39,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:10:39,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:10:39,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:10:39,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:37" (3/4) ... [2023-11-21 22:10:39,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:10:39,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 22:10:39,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 22:10:39,391 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-21 22:10:39,391 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 22:10:39,392 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:10:39,392 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:10:39,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:10:39,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:10:39,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:10:39,494 INFO L158 Benchmark]: Toolchain (without parser) took 4830.80ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 111.0MB in the beginning and 88.1MB in the end (delta: 22.8MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,495 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:39,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1637.95ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 94.5MB in the end (delta: 16.5MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.72ms. Allocated memory is still 161.5MB. Free memory was 94.5MB in the beginning and 91.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,496 INFO L158 Benchmark]: Boogie Preprocessor took 42.59ms. Allocated memory is still 161.5MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,496 INFO L158 Benchmark]: RCFGBuilder took 556.75ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 72.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,497 INFO L158 Benchmark]: TraceAbstraction took 2365.54ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 71.4MB in the beginning and 93.4MB in the end (delta: -21.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,497 INFO L158 Benchmark]: Witness Printer took 119.60ms. Allocated memory is still 195.0MB. Free memory was 93.4MB in the beginning and 88.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:39,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1637.95ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 94.5MB in the end (delta: 16.5MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.72ms. Allocated memory is still 161.5MB. Free memory was 94.5MB in the beginning and 91.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.59ms. Allocated memory is still 161.5MB. Free memory was 91.4MB in the beginning and 89.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.75ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 72.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2365.54ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 71.4MB in the beginning and 93.4MB in the end (delta: -21.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 119.60ms. Allocated memory is still 195.0MB. Free memory was 93.4MB in the beginning and 88.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 573 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 253 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 320 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 25 PreInvPairs, 27 NumberOfFragments, 64 HoareAnnotationTreeSize, 25 FomulaSimplifications, 50 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:10:39,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3fcaf-d196-4607-b941-11d79dcf8dbb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE