/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 IntervalDomain -i ../sv-benchmarks/c/loops-crafted-1/sumt5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:06:33,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:06:33,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:06:33,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:06:33,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:06:33,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:06:33,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:06:33,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:06:33,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:06:33,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:06:33,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:06:33,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:06:33,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:06:33,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:06:33,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:06:33,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:06:33,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:06:33,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:06:33,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:06:33,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:06:33,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:06:33,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:06:33,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:06:33,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:06:33,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:06:33,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:06:33,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:06:33,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:06:33,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:06:33,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:06:33,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:06:33,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:06:33,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:06:33,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:06:33,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:06:33,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:06:33,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:06:33,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:06:33,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:06:33,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:06:33,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:06:33,254 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 [2023-03-31 23:06:33,280 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:06:33,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:06:33,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:06:33,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:06:33,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:06:33,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:06:33,281 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:06:33,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:06:33,282 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:06:33,282 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:06:33,282 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:06:33,282 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:06:33,282 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:06:33,283 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:06:33,283 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:06:33,283 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:06:33,283 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:06:33,283 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:06:33,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:06:33,284 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:06:33,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:06:33,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:06:33,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:06:33,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:06:33,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:06:33,285 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:06:33,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:06:33,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:06:33,286 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:06:33,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:06:33,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:06:33,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:06:33,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:06:33,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:06:33,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:06:33,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:06:33,473 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:06:33,474 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:06:33,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/sumt5.c [2023-03-31 23:06:34,406 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:06:34,544 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:06:34,544 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt5.c [2023-03-31 23:06:34,547 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea2a6b65/867cc51b8a2d4464a9cb0b320cc465ae/FLAG80dc68ccd [2023-03-31 23:06:34,980 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea2a6b65/867cc51b8a2d4464a9cb0b320cc465ae [2023-03-31 23:06:34,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:06:34,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:06:34,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:06:34,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:06:34,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:06:34,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:06:34" (1/1) ... [2023-03-31 23:06:34,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc38b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:34, skipping insertion in model container [2023-03-31 23:06:34,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:06:34" (1/1) ... [2023-03-31 23:06:35,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:06:35,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:06:35,096 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/loops-crafted-1/sumt5.c[403,416] [2023-03-31 23:06:35,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:06:35,111 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:06:35,119 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/loops-crafted-1/sumt5.c[403,416] [2023-03-31 23:06:35,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:06:35,131 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:06:35,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35 WrapperNode [2023-03-31 23:06:35,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:06:35,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:06:35,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:06:35,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:06:35,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:06:35,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:06:35,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:06:35,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:06:35,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (1/1) ... [2023-03-31 23:06:35,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:06:35,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:06:35,176 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) [2023-03-31 23:06:35,180 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 [2023-03-31 23:06:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:06:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:06:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:06:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 23:06:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 23:06:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:06:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:06:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:06:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:06:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:06:35,253 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:06:35,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:06:35,394 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:06:35,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:06:35,515 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 23:06:35,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:06:35 BoogieIcfgContainer [2023-03-31 23:06:35,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:06:35,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:06:35,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:06:35,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:06:35,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:06:34" (1/3) ... [2023-03-31 23:06:35,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31153ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:06:35, skipping insertion in model container [2023-03-31 23:06:35,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:06:35" (2/3) ... [2023-03-31 23:06:35,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31153ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:06:35, skipping insertion in model container [2023-03-31 23:06:35,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:06:35" (3/3) ... [2023-03-31 23:06:35,523 INFO L112 eAbstractionObserver]: Analyzing ICFG sumt5.c [2023-03-31 23:06:35,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:06:35,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:06:35,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:06:35,587 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;@c4be354, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:06:35,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:06:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 23:06:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-03-31 23:06:35,597 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:06:35,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:06:35,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:06:35,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:06:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash -750846856, now seen corresponding path program 1 times [2023-03-31 23:06:35,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:06:35,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661357460] [2023-03-31 23:06:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:06:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:06:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:06:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:06:36,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:06:36,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661357460] [2023-03-31 23:06:36,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661357460] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:06:36,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:06:36,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 23:06:36,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536306134] [2023-03-31 23:06:36,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:06:36,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:06:36,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:06:36,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:06:36,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 23:06:36,231 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 23:06:36,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:06:36,284 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2023-03-31 23:06:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:06:36,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-03-31 23:06:36,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:06:36,291 INFO L225 Difference]: With dead ends: 37 [2023-03-31 23:06:36,291 INFO L226 Difference]: Without dead ends: 13 [2023-03-31 23:06:36,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:06:36,298 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:06:36,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 50 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:06:36,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-03-31 23:06:36,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-03-31 23:06:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 23:06:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-03-31 23:06:36,324 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2023-03-31 23:06:36,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:06:36,325 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-03-31 23:06:36,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 23:06:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-03-31 23:06:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-03-31 23:06:36,327 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:06:36,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:06:36,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:06:36,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:06:36,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:06:36,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1450153258, now seen corresponding path program 1 times [2023-03-31 23:06:36,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:06:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095264668] [2023-03-31 23:06:36,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:06:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:06:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:06:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:06:36,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:06:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095264668] [2023-03-31 23:06:36,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095264668] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:06:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787113042] [2023-03-31 23:06:36,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:06:36,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:06:36,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:06:36,950 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) [2023-03-31 23:06:36,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:06:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:06:37,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2023-03-31 23:06:37,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:06:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:06:37,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:06:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 23:06:37,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787113042] provided 1 perfect and 1 imperfect interpolant sequences [2023-03-31 23:06:37,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-03-31 23:06:37,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 11 [2023-03-31 23:06:37,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378665473] [2023-03-31 23:06:37,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:06:37,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:06:37,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:06:37,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:06:37,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-03-31 23:06:37,906 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 23:06:37,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:06:37,925 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-03-31 23:06:37,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 23:06:37,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-03-31 23:06:37,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:06:37,926 INFO L225 Difference]: With dead ends: 13 [2023-03-31 23:06:37,926 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:06:37,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-03-31 23:06:37,927 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:06:37,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:06:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:06:37,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:06:37,928 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) [2023-03-31 23:06:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:06:37,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-03-31 23:06:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:06:37,929 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:06:37,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 23:06:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:06:37,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:06:37,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:06:37,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 23:06:38,137 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 [2023-03-31 23:06:38,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:06:38,159 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-03-31 23:06:38,159 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-03-31 23:06:38,159 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-03-31 23:06:38,159 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-03-31 23:06:38,159 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 16 37) no Hoare annotation was computed. [2023-03-31 23:06:38,160 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 34) the Hoare annotation is: (= (mod main_~l~0 4294967296) (mod (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296)) [2023-03-31 23:06:38,160 INFO L895 garLoopResultBuilder]: At program point L21-3(lines 21 34) the Hoare annotation is: (= (mod main_~l~0 4294967296) (mod (+ main_~i~0 main_~k~0 main_~j~0 main_~v3~0 main_~v4~0) 4294967296)) [2023-03-31 23:06:38,160 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 16 37) no Hoare annotation was computed. [2023-03-31 23:06:38,160 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 37) the Hoare annotation is: true [2023-03-31 23:06:38,160 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-03-31 23:06:38,160 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-03-31 23:06:38,160 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:06:38,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:06:38,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:06:38,160 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-31 23:06:38,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:06:38,161 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:06:38,161 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-03-31 23:06:38,161 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 8 13) no Hoare annotation was computed. [2023-03-31 23:06:38,161 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 13) the Hoare annotation is: true [2023-03-31 23:06:38,161 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2023-03-31 23:06:38,161 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 13) no Hoare annotation was computed. [2023-03-31 23:06:38,161 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2023-03-31 23:06:38,163 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 23:06:38,165 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:06:38,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:06:38 BoogieIcfgContainer [2023-03-31 23:06:38,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:06:38,173 INFO L158 Benchmark]: Toolchain (without parser) took 3191.09ms. Allocated memory is still 275.8MB. Free memory was 235.3MB in the beginning and 188.2MB in the end (delta: 47.2MB). Peak memory consumption was 48.6MB. Max. memory is 8.0GB. [2023-03-31 23:06:38,173 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:06:38,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.32ms. Allocated memory is still 275.8MB. Free memory was 235.3MB in the beginning and 224.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 23:06:38,174 INFO L158 Benchmark]: Boogie Preprocessor took 22.95ms. Allocated memory is still 275.8MB. Free memory was 224.8MB in the beginning and 223.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 23:06:38,174 INFO L158 Benchmark]: RCFGBuilder took 362.54ms. Allocated memory is still 275.8MB. Free memory was 223.2MB in the beginning and 206.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-03-31 23:06:38,174 INFO L158 Benchmark]: TraceAbstraction took 2653.86ms. Allocated memory is still 275.8MB. Free memory was 205.4MB in the beginning and 188.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. [2023-03-31 23:06:38,175 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 197.1MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 148.32ms. Allocated memory is still 275.8MB. Free memory was 235.3MB in the beginning and 224.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.95ms. Allocated memory is still 275.8MB. Free memory was 224.8MB in the beginning and 223.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 362.54ms. Allocated memory is still 275.8MB. Free memory was 223.2MB in the beginning and 206.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2653.86ms. Allocated memory is still 275.8MB. Free memory was 205.4MB in the beginning and 188.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.2MB. 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: 10]: 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 6 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 29 HoareAnnotationTreeSize, 8 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 1 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1/3 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: 21]: Loop Invariant Derived loop invariant: l % 4294967296 == (i + k + j + v3 + v4) % 4294967296 RESULT: Ultimate proved your program to be correct! [2023-03-31 23:06:38,189 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...