./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fc72386314414fabf94e6d82d60679ab07d15db5567c5294668f3d10b3b3054f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:08:01,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:08:01,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 16:08:01,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:08:01,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:08:01,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:08:01,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:08:01,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:08:01,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:08:01,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:08:01,976 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:08:01,977 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:08:01,977 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:08:01,978 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:08:01,978 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:08:01,979 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:08:01,979 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:08:01,980 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:08:01,980 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:08:01,981 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:08:01,981 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:08:01,982 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:08:01,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:08:01,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:08:01,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:08:01,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:08:01,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:08:01,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:08:01,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:08:01,986 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 16:08:01,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:08:01,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:08:01,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:08:01,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:08:01,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:08:01,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:08:01,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:08:01,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:08:01,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:08:01,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:08:01,989 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:08:01,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:08:01,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:08:01,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:08:01,990 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:08:01,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:08:01,991 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc72386314414fabf94e6d82d60679ab07d15db5567c5294668f3d10b3b3054f [2023-12-02 16:08:02,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:08:02,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:08:02,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:08:02,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:08:02,212 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:08:02,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_good.i [2023-12-02 16:08:05,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:08:05,333 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:08:05,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_good.i [2023-12-02 16:08:05,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/data/3028f35d4/7d3ce394d55b4d91a04019540f70c1c2/FLAG136549de2 [2023-12-02 16:08:05,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/data/3028f35d4/7d3ce394d55b4d91a04019540f70c1c2 [2023-12-02 16:08:05,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:08:05,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:08:05,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:08:05,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:08:05,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:08:05,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:08:05" (1/1) ... [2023-12-02 16:08:05,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@959fca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:05, skipping insertion in model container [2023-12-02 16:08:05,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:08:05" (1/1) ... [2023-12-02 16:08:05,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:08:06,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:08:06,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:08:06,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:08:06,557 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:08:06,557 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:08:06,557 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:08:06,557 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:08:06,565 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:08:06,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06 WrapperNode [2023-12-02 16:08:06,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:08:06,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:08:06,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:08:06,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:08:06,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,637 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 195 [2023-12-02 16:08:06,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:08:06,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:08:06,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:08:06,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:08:06,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:08:06,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:08:06,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:08:06,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:08:06,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (1/1) ... [2023-12-02 16:08:06,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:08:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:08:06,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:08:06,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:08:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 16:08:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 16:08:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 16:08:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 16:08:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:08:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:08:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:08:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 16:08:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:08:06,899 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:08:06,901 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:08:07,214 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:08:07,545 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:08:07,545 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:08:07,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:07 BoogieIcfgContainer [2023-12-02 16:08:07,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:08:07,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:08:07,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:08:07,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:08:07,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:08:05" (1/3) ... [2023-12-02 16:08:07,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c886702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:08:07, skipping insertion in model container [2023-12-02 16:08:07,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:06" (2/3) ... [2023-12-02 16:08:07,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c886702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:08:07, skipping insertion in model container [2023-12-02 16:08:07,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:07" (3/3) ... [2023-12-02 16:08:07,558 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_09_good.i [2023-12-02 16:08:07,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:08:07,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-12-02 16:08:07,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:08:07,649 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=FINITE_AUTOMATA, 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;@49640bfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:08:07,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 16:08:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 44 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 16:08:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 16:08:07,664 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:07,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:07,665 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)] === [2023-12-02 16:08:07,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:07,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1493733641, now seen corresponding path program 1 times [2023-12-02 16:08:07,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:07,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740296746] [2023-12-02 16:08:07,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:07,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:08,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:08,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740296746] [2023-12-02 16:08:08,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740296746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:08,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:08,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:08,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393415278] [2023-12-02 16:08:08,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:08,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:08,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:08,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:08,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,057 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 44 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-12-02 16:08:08,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:08,158 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2023-12-02 16:08:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:08,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2023-12-02 16:08:08,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:08,170 INFO L225 Difference]: With dead ends: 58 [2023-12-02 16:08:08,171 INFO L226 Difference]: Without dead ends: 51 [2023-12-02 16:08:08,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,178 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 4 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:08,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 120 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:08:08,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-02 16:08:08,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2023-12-02 16:08:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 39 states have internal predecessors, (48), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2023-12-02 16:08:08,231 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 9 [2023-12-02 16:08:08,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:08,233 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2023-12-02 16:08:08,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-12-02 16:08:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-12-02 16:08:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 16:08:08,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:08,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:08,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:08:08,236 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)] === [2023-12-02 16:08:08,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:08,236 INFO L85 PathProgramCache]: Analyzing trace with hash -938897243, now seen corresponding path program 1 times [2023-12-02 16:08:08,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:08,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630100064] [2023-12-02 16:08:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:08,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:08,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630100064] [2023-12-02 16:08:08,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630100064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:08,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:08,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:08,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165828243] [2023-12-02 16:08:08,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:08,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:08,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,339 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-12-02 16:08:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:08,411 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2023-12-02 16:08:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:08,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2023-12-02 16:08:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:08,413 INFO L225 Difference]: With dead ends: 51 [2023-12-02 16:08:08,413 INFO L226 Difference]: Without dead ends: 50 [2023-12-02 16:08:08,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,416 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 4 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:08,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 100 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:08:08,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-02 16:08:08,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2023-12-02 16:08:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 38 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2023-12-02 16:08:08,426 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 10 [2023-12-02 16:08:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:08,427 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2023-12-02 16:08:08,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-12-02 16:08:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-12-02 16:08:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 16:08:08,428 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:08,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:08,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:08:08,429 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)] === [2023-12-02 16:08:08,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash 367749280, now seen corresponding path program 1 times [2023-12-02 16:08:08,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:08,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506917017] [2023-12-02 16:08:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:08,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:08,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506917017] [2023-12-02 16:08:08,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506917017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:08,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:08,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:08,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346873634] [2023-12-02 16:08:08,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:08,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:08,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:08,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:08,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,537 INFO L87 Difference]: Start difference. First operand 49 states and 63 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-12-02 16:08:08,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:08,604 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2023-12-02 16:08:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:08,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2023-12-02 16:08:08,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:08,616 INFO L225 Difference]: With dead ends: 50 [2023-12-02 16:08:08,616 INFO L226 Difference]: Without dead ends: 49 [2023-12-02 16:08:08,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,618 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 4 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 100 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 [2023-12-02 16:08:08,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 100 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:08:08,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-12-02 16:08:08,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2023-12-02 16:08:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.393939393939394) internal successors, (46), 37 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:08,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2023-12-02 16:08:08,628 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 12 [2023-12-02 16:08:08,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:08,629 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2023-12-02 16:08:08,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-12-02 16:08:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-12-02 16:08:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 16:08:08,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:08,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:08,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:08:08,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 16:08:08,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:08,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1484673961, now seen corresponding path program 1 times [2023-12-02 16:08:08,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:08,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493983874] [2023-12-02 16:08:08,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:08,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:08,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:08,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493983874] [2023-12-02 16:08:08,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493983874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:08,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:08,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626751718] [2023-12-02 16:08:08,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:08,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:08,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:08,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:08,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,732 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-12-02 16:08:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:08,799 INFO L93 Difference]: Finished difference Result 49 states and 63 transitions. [2023-12-02 16:08:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:08,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2023-12-02 16:08:08,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:08,801 INFO L225 Difference]: With dead ends: 49 [2023-12-02 16:08:08,801 INFO L226 Difference]: Without dead ends: 48 [2023-12-02 16:08:08,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,803 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:08,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 96 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:08:08,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-12-02 16:08:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2023-12-02 16:08:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 36 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2023-12-02 16:08:08,812 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 13 [2023-12-02 16:08:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:08,812 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2023-12-02 16:08:08,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-12-02 16:08:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-12-02 16:08:08,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 16:08:08,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:08,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:08,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 16:08:08,814 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 16:08:08,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1869754595, now seen corresponding path program 1 times [2023-12-02 16:08:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:08,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120255241] [2023-12-02 16:08:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:08,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:08,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120255241] [2023-12-02 16:08:08,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120255241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:08,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:08,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:08:08,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112767714] [2023-12-02 16:08:08,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:08,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:08,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:08,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:08,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,930 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-12-02 16:08:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:08,976 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2023-12-02 16:08:08,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:08,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2023-12-02 16:08:08,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:08,978 INFO L225 Difference]: With dead ends: 70 [2023-12-02 16:08:08,978 INFO L226 Difference]: Without dead ends: 47 [2023-12-02 16:08:08,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:08,980 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 50 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 [2023-12-02 16:08:08,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 50 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:08:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-12-02 16:08:08,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-12-02 16:08:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.303030303030303) internal successors, (43), 36 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2023-12-02 16:08:08,988 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 14 [2023-12-02 16:08:08,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:08,989 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2023-12-02 16:08:08,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-12-02 16:08:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-12-02 16:08:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 16:08:08,990 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:08,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:08,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 16:08:08,990 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)] === [2023-12-02 16:08:08,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:08,991 INFO L85 PathProgramCache]: Analyzing trace with hash -367126435, now seen corresponding path program 1 times [2023-12-02 16:08:08,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:08,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030409013] [2023-12-02 16:08:08,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:09,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:09,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030409013] [2023-12-02 16:08:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030409013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:09,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:09,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:09,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380872812] [2023-12-02 16:08:09,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:09,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:09,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:09,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:09,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,078 INFO L87 Difference]: Start difference. First operand 47 states and 59 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, (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) [2023-12-02 16:08:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:09,138 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2023-12-02 16:08:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:09,139 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, (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 15 [2023-12-02 16:08:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:09,140 INFO L225 Difference]: With dead ends: 47 [2023-12-02 16:08:09,140 INFO L226 Difference]: Without dead ends: 46 [2023-12-02 16:08:09,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,141 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:09,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 86 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 16:08:09,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-02 16:08:09,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-02 16:08:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2023-12-02 16:08:09,150 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 15 [2023-12-02 16:08:09,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:09,151 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2023-12-02 16:08:09,151 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, (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) [2023-12-02 16:08:09,151 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-12-02 16:08:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 16:08:09,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:09,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:09,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 16:08:09,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 16:08:09,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:09,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1503982682, now seen corresponding path program 1 times [2023-12-02 16:08:09,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:09,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89299290] [2023-12-02 16:08:09,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:09,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:09,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89299290] [2023-12-02 16:08:09,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89299290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:09,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:09,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:09,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481725256] [2023-12-02 16:08:09,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:09,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:09,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:09,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:09,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,233 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 16:08:09,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:09,291 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2023-12-02 16:08:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:09,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2023-12-02 16:08:09,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:09,293 INFO L225 Difference]: With dead ends: 61 [2023-12-02 16:08:09,293 INFO L226 Difference]: Without dead ends: 53 [2023-12-02 16:08:09,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,295 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:09,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 94 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:08:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-02 16:08:09,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2023-12-02 16:08:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 39 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 16:08:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2023-12-02 16:08:09,304 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 16 [2023-12-02 16:08:09,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:09,305 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2023-12-02 16:08:09,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 16:08:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-12-02 16:08:09,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 16:08:09,306 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:09,306 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:09,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 16:08:09,307 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)] === [2023-12-02 16:08:09,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:09,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1665502421, now seen corresponding path program 1 times [2023-12-02 16:08:09,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:09,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626402207] [2023-12-02 16:08:09,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:09,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 16:08:09,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:09,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626402207] [2023-12-02 16:08:09,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626402207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:09,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:09,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:08:09,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721545791] [2023-12-02 16:08:09,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:09,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:09,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:09,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,408 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-12-02 16:08:09,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:09,446 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2023-12-02 16:08:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:09,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 20 [2023-12-02 16:08:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:09,448 INFO L225 Difference]: With dead ends: 79 [2023-12-02 16:08:09,448 INFO L226 Difference]: Without dead ends: 41 [2023-12-02 16:08:09,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,450 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 40 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 [2023-12-02 16:08:09,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 40 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:08:09,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-12-02 16:08:09,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-12-02 16:08:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 32 states have internal predecessors, (36), 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) [2023-12-02 16:08:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-12-02 16:08:09,458 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 20 [2023-12-02 16:08:09,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:09,458 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-12-02 16:08:09,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-12-02 16:08:09,459 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-12-02 16:08:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 16:08:09,460 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:09,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:09,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 16:08:09,461 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)] === [2023-12-02 16:08:09,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:09,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2090051628, now seen corresponding path program 1 times [2023-12-02 16:08:09,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:09,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322625083] [2023-12-02 16:08:09,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:09,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:09,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:09,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322625083] [2023-12-02 16:08:09,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322625083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:09,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:09,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:08:09,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628530023] [2023-12-02 16:08:09,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:09,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:08:09,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:08:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:08:09,574 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-12-02 16:08:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:09,627 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2023-12-02 16:08:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:08:09,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 24 [2023-12-02 16:08:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:09,631 INFO L225 Difference]: With dead ends: 41 [2023-12-02 16:08:09,631 INFO L226 Difference]: Without dead ends: 40 [2023-12-02 16:08:09,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:08:09,632 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 38 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:09,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 70 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:08:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-02 16:08:09,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-12-02 16:08:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 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) [2023-12-02 16:08:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2023-12-02 16:08:09,640 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 24 [2023-12-02 16:08:09,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:09,640 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2023-12-02 16:08:09,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-12-02 16:08:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-12-02 16:08:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 16:08:09,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:08:09,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:09,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 16:08:09,642 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)] === [2023-12-02 16:08:09,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:08:09,643 INFO L85 PathProgramCache]: Analyzing trace with hash -367090724, now seen corresponding path program 1 times [2023-12-02 16:08:09,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:08:09,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995352158] [2023-12-02 16:08:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:08:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:09,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:08:09,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:08:09,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995352158] [2023-12-02 16:08:09,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995352158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:09,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:08:09,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:08:09,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117060381] [2023-12-02 16:08:09,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:09,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:08:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:08:09,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:08:09,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,708 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-12-02 16:08:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:08:09,746 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2023-12-02 16:08:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:08:09,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 25 [2023-12-02 16:08:09,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:08:09,747 INFO L225 Difference]: With dead ends: 40 [2023-12-02 16:08:09,747 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 16:08:09,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:08:09,748 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:08:09,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:08:09,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 16:08:09,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 16:08:09,750 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) [2023-12-02 16:08:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 16:08:09,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-12-02 16:08:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:08:09,750 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 16:08:09,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-12-02 16:08:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 16:08:09,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 16:08:09,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-12-02 16:08:09,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-12-02 16:08:09,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-12-02 16:08:09,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-12-02 16:08:09,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-12-02 16:08:09,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-12-02 16:08:09,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-12-02 16:08:09,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-12-02 16:08:09,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 16:08:09,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 16:08:09,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-12-02 16:08:09,839 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-12-02 16:08:09,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-12-02 16:08:09,839 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-12-02 16:08:09,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-12-02 16:08:09,839 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-12-02 16:08:09,840 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-12-02 16:08:09,840 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-12-02 16:08:09,840 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2023-12-02 16:08:09,840 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-12-02 16:08:09,840 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-12-02 16:08:09,840 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= ~GLOBAL_CONST_TRUE~0 1) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2023-12-02 16:08:09,841 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-12-02 16:08:09,841 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-12-02 16:08:09,841 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-12-02 16:08:09,841 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1622 1637) no Hoare annotation was computed. [2023-12-02 16:08:09,841 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-12-02 16:08:09,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 16:08:09,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1599) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-12-02 16:08:09,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-12-02 16:08:09,843 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-12-02 16:08:09,844 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-12-02 16:08:09,844 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-12-02 16:08:09,844 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-12-02 16:08:09,844 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-12-02 16:08:09,844 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-12-02 16:08:09,844 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-12-02 16:08:09,844 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-12-02 16:08:09,844 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-12-02 16:08:09,845 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1575) no Hoare annotation was computed. [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-12-02 16:08:09,845 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2023-12-02 16:08:09,846 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1611) no Hoare annotation was computed. [2023-12-02 16:08:09,846 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= ~GLOBAL_CONST_TRUE~0 1)) [2023-12-02 16:08:09,846 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-12-02 16:08:09,846 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1601 1620) no Hoare annotation was computed. [2023-12-02 16:08:09,849 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:08:09,851 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:08:09,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:08:09 BoogieIcfgContainer [2023-12-02 16:08:09,856 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:08:09,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:08:09,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:08:09,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:08:09,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:07" (3/4) ... [2023-12-02 16:08:09,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 16:08:09,862 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 16:08:09,862 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 16:08:09,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-12-02 16:08:09,872 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 16:08:09,873 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 16:08:09,873 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 16:08:09,979 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 16:08:09,979 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 16:08:09,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:08:09,980 INFO L158 Benchmark]: Toolchain (without parser) took 4597.15ms. Allocated memory was 157.3MB in the beginning and 195.0MB in the end (delta: 37.7MB). Free memory was 108.7MB in the beginning and 75.3MB in the end (delta: 33.3MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,981 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:08:09,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1181.09ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 107.9MB in the end (delta: 160.2kB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.15ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 104.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,982 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,982 INFO L158 Benchmark]: RCFGBuilder took 870.14ms. Allocated memory was 157.3MB in the beginning and 195.0MB in the end (delta: 37.7MB). Free memory was 102.4MB in the beginning and 138.1MB in the end (delta: -35.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,983 INFO L158 Benchmark]: TraceAbstraction took 2305.26ms. Allocated memory is still 195.0MB. Free memory was 137.0MB in the beginning and 82.7MB in the end (delta: 54.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,983 INFO L158 Benchmark]: Witness Printer took 123.47ms. Allocated memory is still 195.0MB. Free memory was 82.7MB in the beginning and 75.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 16:08:09,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1181.09ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 107.9MB in the end (delta: 160.2kB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.15ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 104.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.14ms. Allocated memory was 157.3MB in the beginning and 195.0MB in the end (delta: 37.7MB). Free memory was 102.4MB in the beginning and 138.1MB in the end (delta: -35.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2305.26ms. Allocated memory is still 195.0MB. Free memory was 137.0MB in the beginning and 82.7MB in the end (delta: 54.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Witness Printer took 123.47ms. Allocated memory is still 195.0MB. Free memory was 82.7MB in the beginning and 75.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 833 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 351 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 482 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 7 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 25 PreInvPairs, 28 NumberOfFragments, 83 HoareAnnotationTreeSize, 25 FomulaSimplifications, 49 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 2/2 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! [2023-12-02 16:08:10,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdcd735-1963-4f83-b8ec-4ccb327929bc/bin/utaipan-verify-nQ1chXbOIh/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