/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/nla-digbench-scaling/dijkstra-u_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 22:39:48,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 22:39:48,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 22:39:48,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 22:39:48,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 22:39:48,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 22:39:48,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 22:39:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 22:39:48,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 22:39:48,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 22:39:48,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 22:39:48,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 22:39:48,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 22:39:48,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 22:39:48,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 22:39:48,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 22:39:48,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 22:39:48,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 22:39:48,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 22:39:48,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 22:39:48,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 22:39:48,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 22:39:48,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 22:39:48,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 22:39:48,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-04-02 22:39:48,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 22:39:48,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 22:39:48,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 22:39:48,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 22:39:48,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 22:39:48,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 22:39:48,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 22:39:48,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 22:39:48,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 22:39:48,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 22:39:48,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 22:39:48,225 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 22:39:48,249 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 22:39:48,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 22:39:48,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 22:39:48,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 22:39:48,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 22:39:48,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 22:39:48,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 22:39:48,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 22:39:48,252 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 22:39:48,252 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 22:39:48,252 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 22:39:48,252 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 22:39:48,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 22:39:48,255 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 22:39:48,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 22:39:48,256 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 22:39:48,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 22:39:48,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 22:39:48,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 22:39:48,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 22:39:48,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 22:39:48,257 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 22:39:48,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 22:39:48,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 22:39:48,258 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 22:39:48,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 22:39:48,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 22:39:48,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 22:39:48,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 22:39:48,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 22:39:48,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 22:39:48,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 22:39:48,473 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 22:39:48,473 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 22:39:48,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2023-04-02 22:39:49,588 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 22:39:49,757 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 22:39:49,757 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2023-04-02 22:39:49,767 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8616c63/41142bb8c43649fe83af11d0ba41bb12/FLAG08c9f7e45 [2023-04-02 22:39:49,779 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8616c63/41142bb8c43649fe83af11d0ba41bb12 [2023-04-02 22:39:49,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 22:39:49,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 22:39:49,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 22:39:49,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 22:39:49,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 22:39:49,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7262e56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49, skipping insertion in model container [2023-04-02 22:39:49,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 22:39:49,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 22:39:49,913 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/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2023-04-02 22:39:49,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 22:39:49,941 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 22:39:49,951 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/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2023-04-02 22:39:49,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 22:39:49,973 INFO L208 MainTranslator]: Completed translation [2023-04-02 22:39:49,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49 WrapperNode [2023-04-02 22:39:49,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 22:39:49,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 22:39:49,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 22:39:49,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 22:39:49,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:49,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:50,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 22:39:50,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 22:39:50,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 22:39:50,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 22:39:50,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (1/1) ... [2023-04-02 22:39:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 22:39:50,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:39:50,024 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 22:39:50,026 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 22:39:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 22:39:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 22:39:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 22:39:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 22:39:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-02 22:39:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 22:39:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 22:39:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 22:39:50,104 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 22:39:50,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 22:39:50,297 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 22:39:50,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 22:39:50,329 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-04-02 22:39:50,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:39:50 BoogieIcfgContainer [2023-04-02 22:39:50,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 22:39:50,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 22:39:50,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 22:39:50,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 22:39:50,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:39:49" (1/3) ... [2023-04-02 22:39:50,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f99443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:39:50, skipping insertion in model container [2023-04-02 22:39:50,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:39:49" (2/3) ... [2023-04-02 22:39:50,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f99443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:39:50, skipping insertion in model container [2023-04-02 22:39:50,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:39:50" (3/3) ... [2023-04-02 22:39:50,338 INFO L112 eAbstractionObserver]: Analyzing ICFG dijkstra-u_valuebound100.c [2023-04-02 22:39:50,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 22:39:50,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 22:39:50,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 22:39:50,409 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;@70d51f9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 22:39:50,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 22:39:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-02 22:39:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-02 22:39:50,419 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:39:50,420 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:39:50,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:39:50,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:39:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash 353083090, now seen corresponding path program 1 times [2023-04-02 22:39:50,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:39:50,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137422664] [2023-04-02 22:39:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:39:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:39:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:39:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-02 22:39:50,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:39:50,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137422664] [2023-04-02 22:39:50,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137422664] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 22:39:50,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 22:39:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-02 22:39:50,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353965979] [2023-04-02 22:39:50,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 22:39:50,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-02 22:39:50,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:39:50,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-02 22:39:50,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 22:39:50,629 INFO L87 Difference]: Start difference. First operand has 33 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-02 22:39:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:39:50,684 INFO L93 Difference]: Finished difference Result 54 states and 86 transitions. [2023-04-02 22:39:50,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-02 22:39:50,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2023-04-02 22:39:50,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:39:50,693 INFO L225 Difference]: With dead ends: 54 [2023-04-02 22:39:50,693 INFO L226 Difference]: Without dead ends: 29 [2023-04-02 22:39:50,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 22:39:50,698 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 22:39:50,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 22:39:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-04-02 22:39:50,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-04-02 22:39:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-04-02 22:39:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2023-04-02 22:39:50,762 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 18 [2023-04-02 22:39:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:39:50,763 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2023-04-02 22:39:50,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-02 22:39:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-04-02 22:39:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-02 22:39:50,764 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:39:50,764 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:39:50,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 22:39:50,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:39:50,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:39:50,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1150511663, now seen corresponding path program 1 times [2023-04-02 22:39:50,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:39:50,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934523344] [2023-04-02 22:39:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:39:50,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:39:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:39:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-02 22:39:51,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:39:51,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934523344] [2023-04-02 22:39:51,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934523344] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 22:39:51,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 22:39:51,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 22:39:51,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367577941] [2023-04-02 22:39:51,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 22:39:51,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 22:39:51,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:39:51,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 22:39:51,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-02 22:39:51,235 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-02 22:39:53,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:39:55,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:39:55,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:39:55,540 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2023-04-02 22:39:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 22:39:55,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-04-02 22:39:55,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:39:55,543 INFO L225 Difference]: With dead ends: 63 [2023-04-02 22:39:55,543 INFO L226 Difference]: Without dead ends: 44 [2023-04-02 22:39:55,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-02 22:39:55,545 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 10 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-04-02 22:39:55,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 95 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-04-02 22:39:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-04-02 22:39:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-04-02 22:39:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 20 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 22:39:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2023-04-02 22:39:55,563 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 19 [2023-04-02 22:39:55,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:39:55,564 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2023-04-02 22:39:55,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-02 22:39:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-04-02 22:39:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-02 22:39:55,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:39:55,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:39:55,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 22:39:55,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:39:55,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:39:55,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2006784630, now seen corresponding path program 1 times [2023-04-02 22:39:55,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:39:55,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868258733] [2023-04-02 22:39:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:39:55,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:39:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:39:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-02 22:39:55,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:39:55,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868258733] [2023-04-02 22:39:55,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868258733] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 22:39:55,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436452598] [2023-04-02 22:39:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:39:55,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 22:39:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:39:55,929 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 22:39:55,952 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 22:39:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:39:55,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 22:39:55,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 22:39:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-02 22:39:56,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 22:39:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-02 22:39:56,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436452598] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 22:39:56,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1187495422] [2023-04-02 22:39:56,275 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2023-04-02 22:39:56,275 INFO L166 IcfgInterpreter]: Building call graph [2023-04-02 22:39:56,278 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-02 22:39:56,282 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-02 22:39:56,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-02 22:39:56,355 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 9 for LOIs [2023-04-02 22:39:56,524 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2023-04-02 22:39:56,537 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 15 for LOIs [2023-04-02 22:39:56,539 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 7 for LOIs [2023-04-02 22:39:56,544 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-02 22:39:56,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1187495422] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 22:39:56,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-02 22:39:56,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7, 7, 7] total 24 [2023-04-02 22:39:56,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239001326] [2023-04-02 22:39:56,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 22:39:56,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 22:39:56,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:39:56,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 22:39:56,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2023-04-02 22:39:56,914 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-02 22:39:59,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-02 22:40:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:40:01,259 INFO L93 Difference]: Finished difference Result 61 states and 85 transitions. [2023-04-02 22:40:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 22:40:01,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2023-04-02 22:40:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:40:01,260 INFO L225 Difference]: With dead ends: 61 [2023-04-02 22:40:01,260 INFO L226 Difference]: Without dead ends: 43 [2023-04-02 22:40:01,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2023-04-02 22:40:01,262 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 60 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-04-02 22:40:01,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 4 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-04-02 22:40:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-04-02 22:40:01,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-04-02 22:40:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-04-02 22:40:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2023-04-02 22:40:01,280 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 21 [2023-04-02 22:40:01,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:40:01,281 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2023-04-02 22:40:01,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-04-02 22:40:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-04-02 22:40:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-02 22:40:01,282 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:40:01,282 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 22:40:01,290 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 22:40:01,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 22:40:01,487 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:40:01,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:40:01,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1768861207, now seen corresponding path program 1 times [2023-04-02 22:40:01,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:40:01,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478185633] [2023-04-02 22:40:01,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:40:01,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:40:01,503 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-02 22:40:01,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310374015] [2023-04-02 22:40:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:40:01,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 22:40:01,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:40:01,508 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 22:40:01,509 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 22:40:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:40:01,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 26 conjunts are in the unsatisfiable core [2023-04-02 22:40:01,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 22:40:01,888 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-04-02 22:40:01,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 22:40:31,691 WARN L223 SmtUtils]: Spent 16.70s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-02 22:41:55,966 WARN L223 SmtUtils]: Spent 26.02s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-04-02 22:42:29,980 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse3 (mod c_main_~q~0 1073741824)) (.cse0 (mod c_main_~n~0 4294967296))) (or (< .cse0 (mod c_main_~q~0 4294967296)) (let ((.cse1 (mod c_main_~r~0 4294967296)) (.cse4 (mod (+ c_main_~p~0 .cse3) 4294967296)) (.cse2 (* 2 (div (mod c_main_~p~0 4294967296) 2)))) (and (or (< .cse1 (mod (+ .cse2 .cse3) 4294967296)) (<= .cse4 .cse1)) (or (< .cse1 .cse4) (< (mod (+ c_main_~r~0 (* 4294967295 .cse3) (* 4294967295 c_main_~p~0)) 4294967296) (mod (+ (* 3 .cse3) .cse2) 4294967296))))) (not (= (mod (+ (* 4294967292 c_main_~q~0 c_main_~n~0) (* c_main_~q~0 c_main_~r~0 4) (* c_main_~p~0 c_main_~p~0)) 4294967296) 0)) (<= (* 4 .cse3) .cse0))) is different from true [2023-04-02 22:42:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 2 not checked. [2023-04-02 22:42:54,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:42:54,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478185633] [2023-04-02 22:42:54,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-02 22:42:54,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310374015] [2023-04-02 22:42:54,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310374015] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 22:42:54,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1539980923] [2023-04-02 22:42:54,458 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2023-04-02 22:42:54,458 INFO L166 IcfgInterpreter]: Building call graph [2023-04-02 22:42:54,458 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-02 22:42:54,458 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-02 22:42:54,458 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-02 22:42:54,475 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 9 for LOIs [2023-04-02 22:42:55,112 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 15 for LOIs [2023-04-02 22:42:55,119 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 15 for LOIs [2023-04-02 22:42:55,121 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 7 for LOIs [2023-04-02 22:42:55,125 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-02 22:43:00,254 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1024#(and (<= 1 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (= |#NULL.offset| 0) (= |#NULL.base| 0))' at error location [2023-04-02 22:43:00,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-02 22:43:00,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-04-02 22:43:00,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2023-04-02 22:43:00,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275378459] [2023-04-02 22:43:00,255 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-04-02 22:43:00,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 22:43:00,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:43:00,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 22:43:00,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=4, NotChecked=50, Total=756 [2023-04-02 22:43:00,257 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 15 states have internal predecessors, (32), 5 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-02 22:43:02,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:03,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:05,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:08,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:11,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:14,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:16,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:17,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:20,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:24,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:26,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:27,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:29,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:31,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:33,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:37,395 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~r~0 4294967296))) (and (< .cse0 (mod (+ (* 2 c_main_~p~0) c_main_~q~0) 4294967296)) (or (not (= (mod (+ (* c_main_~q~0 c_main_~r~0) (* c_main_~q~0 4294967295 c_main_~n~0) (* c_main_~p~0 c_main_~p~0)) 4294967296) 0)) (let ((.cse2 (div (mod c_main_~q~0 4294967296) 4))) (let ((.cse1 (mod (+ c_main_~p~0 .cse2) 4294967296)) (.cse3 (* 2 (div (mod c_main_~p~0 4294967296) 2)))) (and (or (< .cse0 .cse1) (< (mod (+ (* 4294967295 .cse2) c_main_~r~0 (* 4294967295 c_main_~p~0)) 4294967296) (mod (+ (* 3 .cse2) .cse3) 4294967296))) (or (<= .cse1 .cse0) (< .cse0 (mod (+ .cse3 .cse2) 4294967296))))))))) is different from true [2023-04-02 22:43:39,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:42,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:45,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:47,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:49,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:51,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:53,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:55,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:43:58,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:00,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:02,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:04,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:06,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:08,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:10,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:14,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:16,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:18,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:20,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:22,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:24,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:26,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-04-02 22:44:28,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []