/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 22:10:43,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 22:10:43,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 22:10:43,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 22:10:43,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 22:10:43,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 22:10:43,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 22:10:43,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 22:10:43,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 22:10:43,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 22:10:43,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 22:10:43,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 22:10:43,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 22:10:43,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 22:10:43,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 22:10:43,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 22:10:43,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 22:10:43,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 22:10:43,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 22:10:43,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 22:10:43,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 22:10:43,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 22:10:43,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 22:10:43,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 22:10:43,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 22:10:43,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 22:10:43,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 22:10:43,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 22:10:43,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 22:10:43,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 22:10:43,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 22:10:43,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 22:10:43,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 22:10:43,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 22:10:43,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 22:10:43,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 22:10:43,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 22:10:43,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 22:10:43,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 22:10:43,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 22:10:43,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 22:10:43,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-02 22:10:43,708 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 22:10:43,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 22:10:43,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 22:10:43,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 22:10:43,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 22:10:43,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 22:10:43,709 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 22:10:43,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 22:10:43,710 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 22:10:43,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 22:10:43,710 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 22:10:43,710 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 22:10:43,710 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 22:10:43,710 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 22:10:43,711 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 22:10:43,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 22:10:43,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 22:10:43,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 22:10:43,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 22:10:43,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 22:10:43,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 22:10:43,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 22:10:43,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 22:10:43,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 22:10:43,901 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 22:10:43,903 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 22:10:43,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2023-04-02 22:10:44,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 22:10:44,989 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 22:10:44,989 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c [2023-04-02 22:10:44,995 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabf87fba/cf64e85275c044638720f70ec93fb784/FLAG1e213a64d [2023-04-02 22:10:45,004 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabf87fba/cf64e85275c044638720f70ec93fb784 [2023-04-02 22:10:45,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 22:10:45,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 22:10:45,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 22:10:45,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 22:10:45,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 22:10:45,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b964a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45, skipping insertion in model container [2023-04-02 22:10:45,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 22:10:45,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 22:10:45,214 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2023-04-02 22:10:45,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 22:10:45,293 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 22:10:45,331 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007.c.i.p+nlh-reducer.c[6448,6461] [2023-04-02 22:10:45,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 22:10:45,364 INFO L208 MainTranslator]: Completed translation [2023-04-02 22:10:45,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45 WrapperNode [2023-04-02 22:10:45,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 22:10:45,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 22:10:45,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 22:10:45,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 22:10:45,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 22:10:45,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 22:10:45,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 22:10:45,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 22:10:45,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (1/1) ... [2023-04-02 22:10:45,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 22:10:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:10:45,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 22:10:45,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 22:10:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 22:10:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 22:10:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 22:10:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 22:10:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 22:10:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 22:10:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 22:10:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 22:10:45,524 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 22:10:45,526 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 22:10:45,980 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 22:10:46,124 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 22:10:46,125 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 22:10:46,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:10:46 BoogieIcfgContainer [2023-04-02 22:10:46,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 22:10:46,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 22:10:46,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 22:10:46,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 22:10:46,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:10:45" (1/3) ... [2023-04-02 22:10:46,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4247db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:10:46, skipping insertion in model container [2023-04-02 22:10:46,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:10:45" (2/3) ... [2023-04-02 22:10:46,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4247db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:10:46, skipping insertion in model container [2023-04-02 22:10:46,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:10:46" (3/3) ... [2023-04-02 22:10:46,135 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.c.i.p+nlh-reducer.c [2023-04-02 22:10:46,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 22:10:46,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 22:10:46,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 22:10:46,212 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11faf4c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 22:10:46,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 22:10:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 74 states have (on average 1.945945945945946) internal successors, (144), 75 states have internal predecessors, (144), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-02 22:10:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-04-02 22:10:46,230 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:10:46,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:10:46,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:10:46,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:10:46,237 INFO L85 PathProgramCache]: Analyzing trace with hash 164759305, now seen corresponding path program 1 times [2023-04-02 22:10:46,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:10:46,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180868502] [2023-04-02 22:10:46,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:10:46,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:10:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:10:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:10:51,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:10:51,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180868502] [2023-04-02 22:10:51,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180868502] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 22:10:51,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 22:10:51,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2023-04-02 22:10:51,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053452990] [2023-04-02 22:10:51,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 22:10:51,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-04-02 22:10:51,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:10:51,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-04-02 22:10:51,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=4626, Unknown=0, NotChecked=0, Total=4830 [2023-04-02 22:10:51,785 INFO L87 Difference]: Start difference. First operand has 80 states, 74 states have (on average 1.945945945945946) internal successors, (144), 75 states have internal predecessors, (144), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 70 states, 70 states have (on average 1.0285714285714285) internal successors, (72), 70 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:10:53,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:10:53,296 INFO L93 Difference]: Finished difference Result 88 states and 157 transitions. [2023-04-02 22:10:53,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-04-02 22:10:53,298 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 1.0285714285714285) internal successors, (72), 70 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2023-04-02 22:10:53,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:10:53,303 INFO L225 Difference]: With dead ends: 88 [2023-04-02 22:10:53,303 INFO L226 Difference]: Without dead ends: 77 [2023-04-02 22:10:53,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=204, Invalid=4626, Unknown=0, NotChecked=0, Total=4830 [2023-04-02 22:10:53,310 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 4588 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 4655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 4588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-02 22:10:53,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 4655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 4588 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-02 22:10:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-04-02 22:10:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-04-02 22:10:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.0136986301369864) internal successors, (74), 73 states have internal predecessors, (74), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:10:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2023-04-02 22:10:53,338 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2023-04-02 22:10:53,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:10:53,338 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2023-04-02 22:10:53,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.0285714285714285) internal successors, (72), 70 states have internal predecessors, (72), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:10:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2023-04-02 22:10:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-02 22:10:53,340 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:10:53,340 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:10:53,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 22:10:53,341 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:10:53,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:10:53,341 INFO L85 PathProgramCache]: Analyzing trace with hash 823233917, now seen corresponding path program 1 times [2023-04-02 22:10:53,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:10:53,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205825537] [2023-04-02 22:10:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:10:53,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:10:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:10:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:10:57,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:10:57,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205825537] [2023-04-02 22:10:57,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205825537] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 22:10:57,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549859151] [2023-04-02 22:10:57,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:10:57,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 22:10:57,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:10:57,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 22:10:57,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 22:10:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:10:57,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 70 conjunts are in the unsatisfiable core [2023-04-02 22:10:57,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 22:11:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:11:01,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 22:11:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:11:04,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549859151] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 22:11:04,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [236468691] [2023-04-02 22:11:04,226 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2023-04-02 22:11:04,226 INFO L166 IcfgInterpreter]: Building call graph [2023-04-02 22:11:04,229 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-02 22:11:04,233 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-02 22:11:04,234 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-02 22:11:04,301 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 15 for LOIs [2023-04-02 22:11:04,562 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2023-04-02 22:11:04,567 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-02 22:11:10,990 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1085#(and (<= 1 |#StackHeapBarrier|) (<= 100 main_~main__x~0) (= ~__return_1121~0 0) (not (= 100 main_~main__y~0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 0) (= |#NULL.offset| 0) (= main_~main__x~0 main_~main__y~0) (= |old(~__return_1121~0)| 0) (= ~__return_main~0 0) (= |#NULL.base| 0))' at error location [2023-04-02 22:11:10,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-02 22:11:10,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 22:11:10,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 170 [2023-04-02 22:11:10,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669241057] [2023-04-02 22:11:10,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 22:11:10,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2023-04-02 22:11:10,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:11:10,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2023-04-02 22:11:11,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14658, Invalid=44634, Unknown=0, NotChecked=0, Total=59292 [2023-04-02 22:11:11,008 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand has 170 states, 170 states have (on average 1.2470588235294118) internal successors, (212), 170 states have internal predecessors, (212), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:11:12,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:11:12,053 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2023-04-02 22:11:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-04-02 22:11:12,054 INFO L78 Accepts]: Start accepts. Automaton has has 170 states, 170 states have (on average 1.2470588235294118) internal successors, (212), 170 states have internal predecessors, (212), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2023-04-02 22:11:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:11:12,058 INFO L225 Difference]: With dead ends: 112 [2023-04-02 22:11:12,059 INFO L226 Difference]: Without dead ends: 109 [2023-04-02 22:11:12,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19439 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=14658, Invalid=44634, Unknown=0, NotChecked=0, Total=59292 [2023-04-02 22:11:12,065 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 2934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 22:11:12,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 2934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2854 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 22:11:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-04-02 22:11:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-04-02 22:11:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 105 states have (on average 1.0095238095238095) internal successors, (106), 105 states have internal predecessors, (106), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:11:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2023-04-02 22:11:12,085 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 76 [2023-04-02 22:11:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:11:12,087 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2023-04-02 22:11:12,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 1.2470588235294118) internal successors, (212), 170 states have internal predecessors, (212), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:11:12,087 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2023-04-02 22:11:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-02 22:11:12,090 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:11:12,090 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:11:12,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 22:11:12,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 22:11:12,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:11:12,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:11:12,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1530616451, now seen corresponding path program 2 times [2023-04-02 22:11:12,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:11:12,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527241813] [2023-04-02 22:11:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:11:12,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:11:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:11:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:11:22,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:11:22,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527241813] [2023-04-02 22:11:22,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527241813] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 22:11:22,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449797438] [2023-04-02 22:11:22,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-04-02 22:11:22,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 22:11:22,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:11:22,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 22:11:22,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 22:11:22,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2023-04-02 22:11:22,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-02 22:11:22,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 111 conjunts are in the unsatisfiable core [2023-04-02 22:11:22,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 22:11:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:11:27,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 22:14:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:14:18,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449797438] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 22:14:18,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1757374917] [2023-04-02 22:14:18,933 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2023-04-02 22:14:18,933 INFO L166 IcfgInterpreter]: Building call graph [2023-04-02 22:14:18,933 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-02 22:14:18,933 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-02 22:14:18,934 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-02 22:14:18,950 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 15 for LOIs [2023-04-02 22:14:19,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2023-04-02 22:14:19,129 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-02 22:14:32,565 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2490#(and (<= 1 |#StackHeapBarrier|) (<= 100 main_~main__x~0) (= ~__return_1121~0 0) (not (= 100 main_~main__y~0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 0) (= |#NULL.offset| 0) (= main_~main__x~0 main_~main__y~0) (= |old(~__return_1121~0)| 0) (= ~__return_main~0 0) (= |#NULL.base| 0))' at error location [2023-04-02 22:14:32,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-02 22:14:32,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 22:14:32,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [104, 104, 104] total 257 [2023-04-02 22:14:32,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198159216] [2023-04-02 22:14:32,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 22:14:32,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2023-04-02 22:14:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:14:32,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2023-04-02 22:14:32,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10698, Invalid=98532, Unknown=0, NotChecked=0, Total=109230 [2023-04-02 22:14:32,577 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand has 257 states, 257 states have (on average 1.0116731517509727) internal successors, (260), 257 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:14:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:14:44,217 INFO L93 Difference]: Finished difference Result 111 states and 112 transitions. [2023-04-02 22:14:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-04-02 22:14:44,217 INFO L78 Accepts]: Start accepts. Automaton has has 257 states, 257 states have (on average 1.0116731517509727) internal successors, (260), 257 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2023-04-02 22:14:44,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:14:44,218 INFO L225 Difference]: With dead ends: 111 [2023-04-02 22:14:44,218 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 22:14:44,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30142 ImplicationChecksByTransitivity, 66.4s TimeCoverageRelationStatistics Valid=10705, Invalid=99187, Unknown=0, NotChecked=0, Total=109892 [2023-04-02 22:14:44,224 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 13884 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 13885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-04-02 22:14:44,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 393 Invalid, 13885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13884 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-04-02 22:14:44,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 22:14:44,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 22:14:44,225 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) [2023-04-02 22:14:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 22:14:44,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2023-04-02 22:14:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:14:44,225 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 22:14:44,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 1.0116731517509727) internal successors, (260), 257 states have internal predecessors, (260), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-02 22:14:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 22:14:44,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 22:14:44,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 22:14:44,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 22:14:44,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-04-02 22:14:44,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 22:14:44,893 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2023-04-02 22:14:44,893 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 4) no Hoare annotation was computed. [2023-04-02 22:14:44,893 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 6 8) no Hoare annotation was computed. [2023-04-02 22:14:44,893 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2023-04-02 22:14:44,893 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 13 1258) no Hoare annotation was computed. [2023-04-02 22:14:44,893 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 13 1258) no Hoare annotation was computed. [2023-04-02 22:14:44,894 INFO L895 garLoopResultBuilder]: At program point $Ultimate##202(lines 317 657) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 50 main_~main__x~0) (<= main_~main__x~0 50)) [2023-04-02 22:14:44,894 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 451) no Hoare annotation was computed. [2023-04-02 22:14:44,894 INFO L899 garLoopResultBuilder]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 444) no Hoare annotation was computed. [2023-04-02 22:14:44,894 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-04-02 22:14:44,894 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 1257) no Hoare annotation was computed. [2023-04-02 22:14:44,894 INFO L895 garLoopResultBuilder]: At program point $Ultimate##90(lines 149 993) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 22) (<= 22 main_~main__x~0)) [2023-04-02 22:14:44,894 INFO L895 garLoopResultBuilder]: At program point $Ultimate##94(lines 155 981) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 23 main_~main__x~0) (<= main_~main__x~0 23)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##98(lines 161 969) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 24 main_~main__x~0) (<= main_~main__x~0 24)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##82(lines 137 1017) the Hoare annotation is: (and (<= 20 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 20)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##86(lines 143 1005) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 21 main_~main__x~0) (<= main_~main__x~0 21)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##70(lines 119 1053) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 17) (<= 17 main_~main__x~0)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##170(lines 269 753) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 42) (<= 42 main_~main__x~0)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##74(lines 125 1041) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 18 main_~main__x~0) (<= main_~main__x~0 18)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##174(lines 275 741) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 43) (<= 43 main_~main__x~0)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##78(lines 131 1029) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 19) (<= 19 main_~main__x~0)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##178(lines 281 729) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= main_~main__x~0 44) (<= 50 main_~main__y~0) (<= 44 main_~main__x~0)) [2023-04-02 22:14:44,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##182(lines 287 717) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 45 main_~main__x~0) (<= main_~main__x~0 45)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##186(lines 293 705) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 46 main_~main__x~0) (<= main_~main__x~0 46) (<= 50 main_~main__y~0)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##62(lines 107 1077) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 15) (<= 15 main_~main__x~0)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##66(lines 113 1065) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 16 main_~main__x~0) (<= main_~main__x~0 16)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##50(lines 89 1113) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 12) (<= 12 main_~main__x~0)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##190(lines 299 693) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 47 main_~main__x~0) (<= main_~main__x~0 47)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##194(lines 305 681) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 48) (<= 48 main_~main__x~0)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##54(lines 95 1101) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 13) (<= 13 main_~main__x~0)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##198(lines 311 669) the Hoare annotation is: (and (<= 49 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 49)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##58(lines 101 1089) the Hoare annotation is: (and (<= main_~main__x~0 14) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 14 main_~main__x~0)) [2023-04-02 22:14:44,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##42(lines 77 1137) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 10 main_~main__x~0) (<= 50 main_~main__y~0) (<= main_~main__x~0 10)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##46(lines 83 1125) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 11) (<= 11 main_~main__x~0)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##38(lines 71 1149) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 9 main_~main__x~0) (<= main_~main__x~0 9)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##250(lines 389 513) the Hoare annotation is: (and (<= main_~main__y~0 62) (<= main_~main__x~0 62) (<= 62 main_~main__x~0) (<= 62 main_~main__y~0)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##254(lines 395 501) the Hoare annotation is: (and (<= 63 main_~main__y~0) (<= 63 main_~main__x~0) (<= main_~main__x~0 63) (<= main_~main__y~0 63)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##30(lines 59 1173) the Hoare annotation is: (and (<= main_~main__x~0 7) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 7 main_~main__x~0)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##130(lines 209 873) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 32 main_~main__x~0) (<= main_~main__x~0 32)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##258(lines 401 489) the Hoare annotation is: (and (<= main_~main__x~0 64) (<= 64 main_~main__y~0) (<= main_~main__y~0 64) (<= 64 main_~main__x~0)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##34(lines 65 1161) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 8) (<= 8 main_~main__x~0)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##134(lines 215 861) the Hoare annotation is: (and (<= 33 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 33)) [2023-04-02 22:14:44,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##6(lines 23 1245) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 1 main_~main__x~0) (<= main_~main__x~0 1)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##138(lines 221 849) the Hoare annotation is: (and (<= 34 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 34)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##26(lines 53 1185) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 6) (<= 6 main_~main__x~0)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##142(lines 227 837) the Hoare annotation is: (and (<= 35 main_~main__x~0) (<= main_~main__x~0 35) (<= main_~main__y~0 50) (<= 50 main_~main__y~0)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##262(lines 407 477) the Hoare annotation is: (and (<= main_~main__x~0 65) (<= 65 main_~main__x~0) (<= 65 main_~main__y~0) (<= main_~main__y~0 65)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##146(lines 233 825) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 36 main_~main__x~0) (<= main_~main__x~0 36)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##22(lines 47 1197) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 5 main_~main__x~0) (<= main_~main__x~0 5)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##266(lines 413 465) the Hoare annotation is: (and (<= main_~main__y~0 66) (<= main_~main__x~0 66) (<= 66 main_~main__x~0) (<= 66 main_~main__y~0)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##18(lines 41 1209) the Hoare annotation is: (and (<= 4 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 4)) [2023-04-02 22:14:44,898 INFO L895 garLoopResultBuilder]: At program point $Ultimate##150(lines 239 813) the Hoare annotation is: (and (<= main_~main__x~0 37) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 37 main_~main__x~0)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##270(lines 420 453) the Hoare annotation is: (or (and (<= main_~main__x~0 97) (<= main_~main__y~0 97) (<= 97 main_~main__y~0) (<= 97 main_~main__x~0)) (and (<= 93 main_~main__y~0) (<= 93 main_~main__x~0) (<= main_~main__x~0 93) (<= main_~main__y~0 93)) (and (<= main_~main__y~0 90) (<= main_~main__x~0 90) (<= 90 main_~main__x~0) (<= 90 main_~main__y~0)) (and (<= main_~main__x~0 88) (<= main_~main__y~0 88) (<= 88 main_~main__y~0) (<= 88 main_~main__x~0)) (and (<= 94 main_~main__y~0) (<= main_~main__x~0 94) (<= main_~main__y~0 94) (<= 94 main_~main__x~0)) (and (<= 86 main_~main__x~0) (<= main_~main__x~0 86) (<= 86 main_~main__y~0) (<= main_~main__y~0 86)) (and (<= main_~main__y~0 98) (<= 98 main_~main__y~0) (<= 98 main_~main__x~0) (<= main_~main__x~0 98)) (and (<= main_~main__x~0 92) (<= 92 main_~main__x~0) (<= 92 main_~main__y~0) (<= main_~main__y~0 92)) (and (<= 80 main_~main__y~0) (<= main_~main__y~0 80) (<= main_~main__x~0 80) (<= 80 main_~main__x~0)) (and (<= 96 main_~main__x~0) (<= main_~main__y~0 96) (<= 96 main_~main__y~0) (<= main_~main__x~0 96)) (and (<= 87 main_~main__x~0) (<= 87 main_~main__y~0) (<= main_~main__y~0 87) (<= main_~main__x~0 87)) (and (<= 83 main_~main__y~0) (<= main_~main__x~0 83) (<= main_~main__y~0 83) (<= 83 main_~main__x~0)) (and (<= main_~main__y~0 78) (<= 78 main_~main__x~0) (<= 78 main_~main__y~0) (<= main_~main__x~0 78)) (and (<= 82 main_~main__x~0) (<= main_~main__x~0 82) (<= 82 main_~main__y~0) (<= main_~main__y~0 82)) (and (<= 71 main_~main__y~0) (<= main_~main__y~0 71) (<= main_~main__x~0 71) (<= 71 main_~main__x~0)) (and (<= 81 main_~main__x~0) (<= main_~main__y~0 81) (<= 81 main_~main__y~0) (<= main_~main__x~0 81)) (and (<= main_~main__x~0 73) (<= 73 main_~main__y~0) (<= main_~main__y~0 73) (<= 73 main_~main__x~0)) (and (<= main_~main__y~0 68) (<= main_~main__x~0 68) (<= 68 main_~main__y~0) (<= 68 main_~main__x~0)) (and (<= main_~main__y~0 84) (<= main_~main__x~0 84) (<= 84 main_~main__x~0) (<= 84 main_~main__y~0)) (and (<= 89 main_~main__y~0) (<= main_~main__y~0 89) (<= main_~main__x~0 89) (<= 89 main_~main__x~0)) (and (<= main_~main__y~0 72) (<= 72 main_~main__x~0) (<= 72 main_~main__y~0) (<= main_~main__x~0 72)) (and (<= 91 main_~main__y~0) (<= 91 main_~main__x~0) (<= main_~main__x~0 91) (<= main_~main__y~0 91)) (and (<= main_~main__y~0 85) (<= main_~main__x~0 85) (<= 85 main_~main__x~0) (<= 85 main_~main__y~0)) (and (<= 95 main_~main__y~0) (<= main_~main__x~0 95) (<= main_~main__y~0 95) (<= 95 main_~main__x~0)) (and (<= 75 main_~main__x~0) (<= main_~main__x~0 75) (<= main_~main__y~0 75) (<= 75 main_~main__y~0)) (and (<= main_~main__y~0 99) (<= 99 main_~main__y~0) (<= 99 main_~main__x~0) (<= main_~main__x~0 99)) (and (<= 76 main_~main__x~0) (<= main_~main__y~0 76) (<= main_~main__x~0 76) (<= 76 main_~main__y~0)) (and (<= main_~main__y~0 69) (<= main_~main__x~0 69) (<= 69 main_~main__y~0) (<= 69 main_~main__x~0)) (and (<= 77 main_~main__x~0) (<= main_~main__y~0 77) (<= 77 main_~main__y~0) (<= main_~main__x~0 77)) (and (<= main_~main__y~0 67) (<= 67 main_~main__y~0) (<= main_~main__x~0 67) (<= 67 main_~main__x~0)) (and (<= 70 main_~main__y~0) (<= 70 main_~main__x~0) (<= main_~main__y~0 70) (<= main_~main__x~0 70)) (and (<= 100 main_~main__x~0) (<= main_~main__x~0 100) (<= 100 main_~main__y~0) (<= main_~main__y~0 100)) (and (<= main_~main__y~0 79) (<= main_~main__x~0 79) (<= 79 main_~main__x~0) (<= 79 main_~main__y~0)) (and (<= 74 main_~main__y~0) (<= main_~main__x~0 74) (<= 74 main_~main__x~0) (<= main_~main__y~0 74))) [2023-04-02 22:14:44,899 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 13 1258) the Hoare annotation is: true [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##10(lines 29 1233) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 2) (<= 2 main_~main__x~0)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##154(lines 245 801) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 38 main_~main__x~0) (<= main_~main__x~0 38)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##14(lines 35 1221) the Hoare annotation is: (and (<= 3 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 3)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##158(lines 251 789) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 39 main_~main__x~0) (<= main_~main__x~0 39)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##162(lines 257 777) the Hoare annotation is: (and (<= 40 main_~main__x~0) (<= main_~main__x~0 40) (<= main_~main__y~0 50) (<= 50 main_~main__y~0)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##166(lines 263 765) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 41 main_~main__x~0) (<= main_~main__x~0 41)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##206(lines 323 645) the Hoare annotation is: (and (<= main_~main__y~0 51) (<= main_~main__x~0 51) (<= 51 main_~main__y~0) (<= 51 main_~main__x~0)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##210(lines 329 633) the Hoare annotation is: (and (<= 52 main_~main__y~0) (<= 52 main_~main__x~0) (<= main_~main__x~0 52) (<= main_~main__y~0 52)) [2023-04-02 22:14:44,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##214(lines 335 621) the Hoare annotation is: (and (<= 53 main_~main__y~0) (<= main_~main__y~0 53) (<= 53 main_~main__x~0) (<= main_~main__x~0 53)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##218(lines 341 609) the Hoare annotation is: (and (<= main_~main__x~0 54) (<= 54 main_~main__y~0) (<= main_~main__y~0 54) (<= 54 main_~main__x~0)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##102(lines 167 957) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= 25 main_~main__x~0) (<= main_~main__x~0 25)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##222(lines 347 597) the Hoare annotation is: (and (<= 55 main_~main__y~0) (<= 55 main_~main__x~0) (<= main_~main__y~0 55) (<= main_~main__x~0 55)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##106(lines 173 945) the Hoare annotation is: (and (<= 26 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 26)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##226(lines 353 585) the Hoare annotation is: (and (<= main_~main__x~0 56) (<= 56 main_~main__x~0) (<= 56 main_~main__y~0) (<= main_~main__y~0 56)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##110(lines 179 933) the Hoare annotation is: (and (<= 27 main_~main__x~0) (<= main_~main__x~0 27) (<= main_~main__y~0 50) (<= 50 main_~main__y~0)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##230(lines 359 573) the Hoare annotation is: (and (<= main_~main__y~0 57) (<= 57 main_~main__x~0) (<= main_~main__x~0 57) (<= 57 main_~main__y~0)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##114(lines 185 921) the Hoare annotation is: (and (<= 28 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 28)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##234(lines 365 561) the Hoare annotation is: (and (<= main_~main__x~0 58) (<= main_~main__y~0 58) (<= 58 main_~main__y~0) (<= 58 main_~main__x~0)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##118(lines 191 909) the Hoare annotation is: (and (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 29) (<= 29 main_~main__x~0)) [2023-04-02 22:14:44,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##238(lines 371 549) the Hoare annotation is: (and (<= main_~main__x~0 59) (<= 59 main_~main__x~0) (<= 59 main_~main__y~0) (<= main_~main__y~0 59)) [2023-04-02 22:14:44,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##122(lines 197 897) the Hoare annotation is: (and (<= 30 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 30)) [2023-04-02 22:14:44,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##242(lines 377 537) the Hoare annotation is: (and (<= main_~main__y~0 60) (<= main_~main__x~0 60) (<= 60 main_~main__y~0) (<= 60 main_~main__x~0)) [2023-04-02 22:14:44,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##126(lines 203 885) the Hoare annotation is: (and (<= 31 main_~main__x~0) (<= main_~main__y~0 50) (<= 50 main_~main__y~0) (<= main_~main__x~0 31)) [2023-04-02 22:14:44,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##246(lines 383 525) the Hoare annotation is: (and (<= 61 main_~main__x~0) (<= main_~main__x~0 61) (<= main_~main__y~0 61) (<= 61 main_~main__y~0)) [2023-04-02 22:14:44,901 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 22:14:44,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 22:14:44,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 22:14:44,901 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-02 22:14:44,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 22:14:44,901 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 22:14:44,903 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-04-02 22:14:44,906 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 22:14:44,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 10:14:44 BoogieIcfgContainer [2023-04-02 22:14:44,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 22:14:44,929 INFO L158 Benchmark]: Toolchain (without parser) took 239921.98ms. Allocated memory was 316.7MB in the beginning and 821.0MB in the end (delta: 504.4MB). Free memory was 276.1MB in the beginning and 448.9MB in the end (delta: -172.9MB). Peak memory consumption was 332.5MB. Max. memory is 8.0GB. [2023-04-02 22:14:44,929 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 22:14:44,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.20ms. Allocated memory is still 316.7MB. Free memory was 276.1MB in the beginning and 255.6MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-04-02 22:14:44,929 INFO L158 Benchmark]: Boogie Preprocessor took 58.99ms. Allocated memory is still 316.7MB. Free memory was 255.6MB in the beginning and 253.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 22:14:44,929 INFO L158 Benchmark]: RCFGBuilder took 702.19ms. Allocated memory is still 316.7MB. Free memory was 253.0MB in the beginning and 170.7MB in the end (delta: 82.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-04-02 22:14:44,929 INFO L158 Benchmark]: TraceAbstraction took 238798.67ms. Allocated memory was 316.7MB in the beginning and 821.0MB in the end (delta: 504.4MB). Free memory was 169.6MB in the beginning and 448.9MB in the end (delta: -279.3MB). Peak memory consumption was 226.6MB. Max. memory is 8.0GB. [2023-04-02 22:14:44,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 357.20ms. Allocated memory is still 316.7MB. Free memory was 276.1MB in the beginning and 255.6MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.99ms. Allocated memory is still 316.7MB. Free memory was 255.6MB in the beginning and 253.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 702.19ms. Allocated memory is still 316.7MB. Free memory was 253.0MB in the beginning and 170.7MB in the end (delta: 82.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * TraceAbstraction took 238798.67ms. Allocated memory was 316.7MB in the beginning and 821.0MB in the end (delta: 504.4MB). Free memory was 169.6MB in the beginning and 448.9MB in the end (delta: -279.3MB). Peak memory consumption was 226.6MB. Max. memory is 8.0GB. * 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: 444]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 238.7s, OverallIterations: 3, TraceHistogramMax: 33, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 13.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 519 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21326 IncrementalHoareTripleChecker+Invalid, 21474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 22 mSDtfsCounter, 21326 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 796 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 640 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49581 ImplicationChecksByTransitivity, 82.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=2, InterpolantAutomatonStates: 276, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 71 PreInvPairs, 105 NumberOfFragments, 1305 HoareAnnotationTreeSize, 71 FomulaSimplifications, 93 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 71 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 202.5s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 19828 SizeOfPredicates, 5 NumberOfNonLiveVariables, 464 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1686 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 1 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 2) && 2 <= main__x - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((main__x <= 7 && main__y <= 50) && 50 <= main__y) && 7 <= main__x - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((61 <= main__x && main__x <= 61) && main__y <= 61) && 61 <= main__y - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 24 <= main__x) && main__x <= 24 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((main__y <= 51 && main__x <= 51) && 51 <= main__y) && 51 <= main__x - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 10 <= main__x) && 50 <= main__y) && main__x <= 10 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 36 <= main__x) && main__x <= 36 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 39 <= main__x) && main__x <= 39 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((31 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 31 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((main__y <= 50 && main__x <= 44) && 50 <= main__y) && 44 <= main__x - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 22) && 22 <= main__x - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 5 <= main__x) && main__x <= 5 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((30 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 30 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 17) && 17 <= main__x - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: ((33 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 33 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((main__x <= 37 && main__y <= 50) && 50 <= main__y) && 37 <= main__x - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 47 <= main__x) && main__x <= 47 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((main__y <= 57 && 57 <= main__x) && main__x <= 57) && 57 <= main__y - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((20 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 20 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 38 <= main__x) && main__x <= 38 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((53 <= main__y && main__y <= 53) && 53 <= main__x) && main__x <= 53 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((63 <= main__y && 63 <= main__x) && main__x <= 63) && main__y <= 63 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 18 <= main__x) && main__x <= 18 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 45 <= main__x) && main__x <= 45 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 8) && 8 <= main__x - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 48) && 48 <= main__x - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: ((main__x <= 64 && 64 <= main__y) && main__y <= 64) && 64 <= main__x - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 42) && 42 <= main__x - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((49 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 49 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 9 <= main__x) && main__x <= 9 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 19) && 19 <= main__x - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 29) && 29 <= main__x - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((55 <= main__y && 55 <= main__x) && main__y <= 55) && main__x <= 55 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((main__y <= 60 && main__x <= 60) && 60 <= main__y) && 60 <= main__x - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: ((4 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 4 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 25 <= main__x) && main__x <= 25 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: ((main__x <= 65 && 65 <= main__x) && 65 <= main__y) && main__y <= 65 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((3 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 3 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((main__x <= 59 && 59 <= main__x) && 59 <= main__y) && main__y <= 59 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((52 <= main__y && 52 <= main__x) && main__x <= 52) && main__y <= 52 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 15) && 15 <= main__x - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((main__x <= 54 && 54 <= main__y) && main__y <= 54) && 54 <= main__x - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((main__x <= 97 && main__y <= 97) && 97 <= main__y) && 97 <= main__x) || (((93 <= main__y && 93 <= main__x) && main__x <= 93) && main__y <= 93)) || (((main__y <= 90 && main__x <= 90) && 90 <= main__x) && 90 <= main__y)) || (((main__x <= 88 && main__y <= 88) && 88 <= main__y) && 88 <= main__x)) || (((94 <= main__y && main__x <= 94) && main__y <= 94) && 94 <= main__x)) || (((86 <= main__x && main__x <= 86) && 86 <= main__y) && main__y <= 86)) || (((main__y <= 98 && 98 <= main__y) && 98 <= main__x) && main__x <= 98)) || (((main__x <= 92 && 92 <= main__x) && 92 <= main__y) && main__y <= 92)) || (((80 <= main__y && main__y <= 80) && main__x <= 80) && 80 <= main__x)) || (((96 <= main__x && main__y <= 96) && 96 <= main__y) && main__x <= 96)) || (((87 <= main__x && 87 <= main__y) && main__y <= 87) && main__x <= 87)) || (((83 <= main__y && main__x <= 83) && main__y <= 83) && 83 <= main__x)) || (((main__y <= 78 && 78 <= main__x) && 78 <= main__y) && main__x <= 78)) || (((82 <= main__x && main__x <= 82) && 82 <= main__y) && main__y <= 82)) || (((71 <= main__y && main__y <= 71) && main__x <= 71) && 71 <= main__x)) || (((81 <= main__x && main__y <= 81) && 81 <= main__y) && main__x <= 81)) || (((main__x <= 73 && 73 <= main__y) && main__y <= 73) && 73 <= main__x)) || (((main__y <= 68 && main__x <= 68) && 68 <= main__y) && 68 <= main__x)) || (((main__y <= 84 && main__x <= 84) && 84 <= main__x) && 84 <= main__y)) || (((89 <= main__y && main__y <= 89) && main__x <= 89) && 89 <= main__x)) || (((main__y <= 72 && 72 <= main__x) && 72 <= main__y) && main__x <= 72)) || (((91 <= main__y && 91 <= main__x) && main__x <= 91) && main__y <= 91)) || (((main__y <= 85 && main__x <= 85) && 85 <= main__x) && 85 <= main__y)) || (((95 <= main__y && main__x <= 95) && main__y <= 95) && 95 <= main__x)) || (((75 <= main__x && main__x <= 75) && main__y <= 75) && 75 <= main__y)) || (((main__y <= 99 && 99 <= main__y) && 99 <= main__x) && main__x <= 99)) || (((76 <= main__x && main__y <= 76) && main__x <= 76) && 76 <= main__y)) || (((main__y <= 69 && main__x <= 69) && 69 <= main__y) && 69 <= main__x)) || (((77 <= main__x && main__y <= 77) && 77 <= main__y) && main__x <= 77)) || (((main__y <= 67 && 67 <= main__y) && main__x <= 67) && 67 <= main__x)) || (((70 <= main__y && 70 <= main__x) && main__y <= 70) && main__x <= 70)) || (((100 <= main__x && main__x <= 100) && 100 <= main__y) && main__y <= 100)) || (((main__y <= 79 && main__x <= 79) && 79 <= main__x) && 79 <= main__y)) || (((74 <= main__y && main__x <= 74) && 74 <= main__x) && main__y <= 74) - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 11) && 11 <= main__x - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((28 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 28 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 43) && 43 <= main__x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 6) && 6 <= main__x - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((27 <= main__x && main__x <= 27) && main__y <= 50) && 50 <= main__y - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((main__x <= 56 && 56 <= main__x) && 56 <= main__y) && main__y <= 56 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((26 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 26 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((main__y <= 66 && main__x <= 66) && 66 <= main__x) && 66 <= main__y - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 41 <= main__x) && main__x <= 41 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 21 <= main__x) && main__x <= 21 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 13) && 13 <= main__x - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((34 <= main__x && main__y <= 50) && 50 <= main__y) && main__x <= 34 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: ((main__x <= 58 && main__y <= 58) && 58 <= main__y) && 58 <= main__x - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((35 <= main__x && main__x <= 35) && main__y <= 50) && 50 <= main__y - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 16 <= main__x) && main__x <= 16 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 1 <= main__x) && main__x <= 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && main__x <= 12) && 12 <= main__x - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((main__x <= 14 && main__y <= 50) && 50 <= main__y) && 14 <= main__x - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 23 <= main__x) && main__x <= 23 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((main__y <= 62 && main__x <= 62) && 62 <= main__x) && 62 <= main__y - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 46 <= main__x) && main__x <= 46) && 50 <= main__y - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 50 <= main__x) && main__x <= 50 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((main__y <= 50 && 50 <= main__y) && 32 <= main__x) && main__x <= 32 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: ((40 <= main__x && main__x <= 40) && main__y <= 50) && 50 <= main__y RESULT: Ultimate proved your program to be correct! [2023-04-02 22:14:45,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...