/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/terminator_02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:34:32,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:34:32,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:34:32,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:34:32,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:34:32,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:34:32,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:34:32,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:34:32,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:34:32,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:34:32,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:34:32,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:34:32,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:34:32,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:34:32,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:34:32,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:34:32,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:34:32,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:34:32,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:34:32,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:34:32,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:34:32,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:34:32,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:34:32,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:34:32,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 06:34:32,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:34:32,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:34:32,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:34:32,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:34:32,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:34:32,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:34:32,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:34:32,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:34:32,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:34:32,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:34:32,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:34:32,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 06:34:32,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:34:32,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:34:32,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:34:32,541 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:34:32,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:34:32,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:34:32,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:34:32,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:34:32,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:34:32,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:34:32,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:34:32,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:34:32,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:34:32,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:34:32,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:34:32,545 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:34:32,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:34:32,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:34:32,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:34:32,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:34:32,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:34:32,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:34:32,547 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 06:34:32,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:34:32,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:34:32,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:34:32,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:34:32,827 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:34:32,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-2.c [2020-07-18 06:34:32,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3723c63f0/411e8248d53245de95fe40bb38895767/FLAG21ac30bb0 [2020-07-18 06:34:33,306 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:34:33,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-2.c [2020-07-18 06:34:33,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3723c63f0/411e8248d53245de95fe40bb38895767/FLAG21ac30bb0 [2020-07-18 06:34:33,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3723c63f0/411e8248d53245de95fe40bb38895767 [2020-07-18 06:34:33,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:34:33,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:34:33,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:34:33,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:34:33,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:34:33,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:33,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382bf3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33, skipping insertion in model container [2020-07-18 06:34:33,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:33,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:34:33,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:34:33,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:34:33,947 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:34:33,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:34:33,979 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:34:33,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33 WrapperNode [2020-07-18 06:34:33,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:34:33,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:34:33,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:34:33,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:34:33,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:33,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:33,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:33,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:33,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:34,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:34,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... [2020-07-18 06:34:34,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:34:34,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:34:34,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:34:34,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:34:34,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:34:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:34:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:34:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:34:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:34:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:34:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:34:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:34:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:34:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:34:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:34:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-18 06:34:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:34:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:34:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:34:34,522 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:34:34,523 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 06:34:34,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:34:34 BoogieIcfgContainer [2020-07-18 06:34:34,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:34:34,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:34:34,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:34:34,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:34:34,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:34:33" (1/3) ... [2020-07-18 06:34:34,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39581e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:34:34, skipping insertion in model container [2020-07-18 06:34:34,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:34:33" (2/3) ... [2020-07-18 06:34:34,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39581e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:34:34, skipping insertion in model container [2020-07-18 06:34:34,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:34:34" (3/3) ... [2020-07-18 06:34:34,534 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-2.c [2020-07-18 06:34:34,544 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:34:34,550 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:34:34,560 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:34:34,581 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:34:34,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:34:34,581 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:34:34,582 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:34:34,582 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:34:34,582 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:34:34,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:34:34,582 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:34:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-18 06:34:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-18 06:34:34,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:34:34,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:34:34,605 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:34:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:34:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash 664980376, now seen corresponding path program 1 times [2020-07-18 06:34:34,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:34:34,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518775538] [2020-07-18 06:34:34,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:34:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:34:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:34:34,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 06:34:34,744 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {46#true} {46#true} #83#return; {46#true} is VALID [2020-07-18 06:34:34,746 INFO L263 TraceCheckUtils]: 0: Hoare triple {46#true} call ULTIMATE.init(); {46#true} is VALID [2020-07-18 06:34:34,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 06:34:34,747 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {46#true} {46#true} #83#return; {46#true} is VALID [2020-07-18 06:34:34,747 INFO L263 TraceCheckUtils]: 3: Hoare triple {46#true} call #t~ret6 := main(); {46#true} is VALID [2020-07-18 06:34:34,748 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {46#true} is VALID [2020-07-18 06:34:34,748 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#true} ~x~0 := #t~nondet0; {46#true} is VALID [2020-07-18 06:34:34,748 INFO L280 TraceCheckUtils]: 6: Hoare triple {46#true} havoc #t~nondet0; {46#true} is VALID [2020-07-18 06:34:34,749 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {46#true} is VALID [2020-07-18 06:34:34,749 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} ~z~0 := #t~nondet1; {46#true} is VALID [2020-07-18 06:34:34,749 INFO L280 TraceCheckUtils]: 9: Hoare triple {46#true} havoc #t~nondet1; {46#true} is VALID [2020-07-18 06:34:34,750 INFO L280 TraceCheckUtils]: 10: Hoare triple {46#true} assume !!(~x~0 > -100); {46#true} is VALID [2020-07-18 06:34:34,750 INFO L280 TraceCheckUtils]: 11: Hoare triple {46#true} assume !!(~x~0 < 200); {46#true} is VALID [2020-07-18 06:34:34,751 INFO L280 TraceCheckUtils]: 12: Hoare triple {46#true} assume !!(~z~0 > 100); {46#true} is VALID [2020-07-18 06:34:34,751 INFO L280 TraceCheckUtils]: 13: Hoare triple {46#true} assume !!(~z~0 < 200); {46#true} is VALID [2020-07-18 06:34:34,757 INFO L280 TraceCheckUtils]: 14: Hoare triple {46#true} assume !true; {47#false} is VALID [2020-07-18 06:34:34,757 INFO L263 TraceCheckUtils]: 15: Hoare triple {47#false} call __VERIFIER_assert((if ~x~0 >= 100 || ~z~0 <= 100 then 1 else 0)); {47#false} is VALID [2020-07-18 06:34:34,758 INFO L280 TraceCheckUtils]: 16: Hoare triple {47#false} ~cond := #in~cond; {47#false} is VALID [2020-07-18 06:34:34,758 INFO L280 TraceCheckUtils]: 17: Hoare triple {47#false} assume 0 == ~cond; {47#false} is VALID [2020-07-18 06:34:34,759 INFO L280 TraceCheckUtils]: 18: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-18 06:34:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 06:34:34,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518775538] [2020-07-18 06:34:34,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:34:34,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-18 06:34:34,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093459238] [2020-07-18 06:34:34,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-18 06:34:34,774 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:34:34,778 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-18 06:34:34,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:34,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-18 06:34:34,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:34:34,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-18 06:34:34,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-18 06:34:34,834 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-07-18 06:34:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:34,948 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2020-07-18 06:34:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-18 06:34:34,949 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-18 06:34:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:34:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-18 06:34:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 63 transitions. [2020-07-18 06:34:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-18 06:34:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 63 transitions. [2020-07-18 06:34:34,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 63 transitions. [2020-07-18 06:34:35,057 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:35,069 INFO L225 Difference]: With dead ends: 55 [2020-07-18 06:34:35,069 INFO L226 Difference]: Without dead ends: 32 [2020-07-18 06:34:35,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-18 06:34:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-07-18 06:34:35,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-07-18 06:34:35,142 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:34:35,142 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 32 states. [2020-07-18 06:34:35,143 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2020-07-18 06:34:35,144 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2020-07-18 06:34:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:35,149 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2020-07-18 06:34:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-07-18 06:34:35,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:35,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:34:35,150 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 32 states. [2020-07-18 06:34:35,151 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 32 states. [2020-07-18 06:34:35,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:35,155 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2020-07-18 06:34:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-07-18 06:34:35,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:35,156 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:34:35,157 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:34:35,157 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:34:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-18 06:34:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-07-18 06:34:35,162 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2020-07-18 06:34:35,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:34:35,163 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-07-18 06:34:35,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-18 06:34:35,163 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 33 transitions. [2020-07-18 06:34:35,224 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-07-18 06:34:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-18 06:34:35,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:34:35,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:34:35,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:34:35,226 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:34:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:34:35,227 INFO L82 PathProgramCache]: Analyzing trace with hash 645586435, now seen corresponding path program 1 times [2020-07-18 06:34:35,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:34:35,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925480994] [2020-07-18 06:34:35,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:34:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:34:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:34:35,363 INFO L280 TraceCheckUtils]: 0: Hoare triple {290#true} assume true; {290#true} is VALID [2020-07-18 06:34:35,363 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {290#true} {290#true} #83#return; {290#true} is VALID [2020-07-18 06:34:35,364 INFO L263 TraceCheckUtils]: 0: Hoare triple {290#true} call ULTIMATE.init(); {290#true} is VALID [2020-07-18 06:34:35,364 INFO L280 TraceCheckUtils]: 1: Hoare triple {290#true} assume true; {290#true} is VALID [2020-07-18 06:34:35,364 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {290#true} {290#true} #83#return; {290#true} is VALID [2020-07-18 06:34:35,365 INFO L263 TraceCheckUtils]: 3: Hoare triple {290#true} call #t~ret6 := main(); {290#true} is VALID [2020-07-18 06:34:35,365 INFO L280 TraceCheckUtils]: 4: Hoare triple {290#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {290#true} is VALID [2020-07-18 06:34:35,365 INFO L280 TraceCheckUtils]: 5: Hoare triple {290#true} ~x~0 := #t~nondet0; {290#true} is VALID [2020-07-18 06:34:35,365 INFO L280 TraceCheckUtils]: 6: Hoare triple {290#true} havoc #t~nondet0; {290#true} is VALID [2020-07-18 06:34:35,366 INFO L280 TraceCheckUtils]: 7: Hoare triple {290#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {290#true} is VALID [2020-07-18 06:34:35,366 INFO L280 TraceCheckUtils]: 8: Hoare triple {290#true} ~z~0 := #t~nondet1; {290#true} is VALID [2020-07-18 06:34:35,366 INFO L280 TraceCheckUtils]: 9: Hoare triple {290#true} havoc #t~nondet1; {290#true} is VALID [2020-07-18 06:34:35,367 INFO L280 TraceCheckUtils]: 10: Hoare triple {290#true} assume !!(~x~0 > -100); {290#true} is VALID [2020-07-18 06:34:35,367 INFO L280 TraceCheckUtils]: 11: Hoare triple {290#true} assume !!(~x~0 < 200); {290#true} is VALID [2020-07-18 06:34:35,368 INFO L280 TraceCheckUtils]: 12: Hoare triple {290#true} assume !!(~z~0 > 100); {294#(< 100 main_~z~0)} is VALID [2020-07-18 06:34:35,369 INFO L280 TraceCheckUtils]: 13: Hoare triple {294#(< 100 main_~z~0)} assume !!(~z~0 < 200); {294#(< 100 main_~z~0)} is VALID [2020-07-18 06:34:35,370 INFO L280 TraceCheckUtils]: 14: Hoare triple {294#(< 100 main_~z~0)} assume !(~x~0 < 100 && ~z~0 > 100); {295#(< 99 main_~x~0)} is VALID [2020-07-18 06:34:35,372 INFO L263 TraceCheckUtils]: 15: Hoare triple {295#(< 99 main_~x~0)} call __VERIFIER_assert((if ~x~0 >= 100 || ~z~0 <= 100 then 1 else 0)); {296#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-18 06:34:35,372 INFO L280 TraceCheckUtils]: 16: Hoare triple {296#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {297#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:34:35,373 INFO L280 TraceCheckUtils]: 17: Hoare triple {297#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {291#false} is VALID [2020-07-18 06:34:35,373 INFO L280 TraceCheckUtils]: 18: Hoare triple {291#false} assume !false; {291#false} is VALID [2020-07-18 06:34:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 06:34:35,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925480994] [2020-07-18 06:34:35,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:34:35,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:34:35,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20568659] [2020-07-18 06:34:35,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-07-18 06:34:35,379 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:34:35,379 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:34:35,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:35,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:34:35,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:34:35,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:34:35,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:34:35,408 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 6 states. [2020-07-18 06:34:35,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:35,627 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2020-07-18 06:34:35,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 06:34:35,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-07-18 06:34:35,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:34:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:34:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 39 transitions. [2020-07-18 06:34:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:34:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 39 transitions. [2020-07-18 06:34:35,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 39 transitions. [2020-07-18 06:34:35,678 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:35,680 INFO L225 Difference]: With dead ends: 38 [2020-07-18 06:34:35,680 INFO L226 Difference]: Without dead ends: 33 [2020-07-18 06:34:35,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-18 06:34:35,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-18 06:34:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-18 06:34:35,710 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:34:35,710 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-18 06:34:35,710 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-18 06:34:35,711 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-18 06:34:35,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:35,714 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-07-18 06:34:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-07-18 06:34:35,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:35,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:34:35,715 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-18 06:34:35,715 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-18 06:34:35,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:35,718 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-07-18 06:34:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-07-18 06:34:35,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:35,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:34:35,719 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:34:35,720 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:34:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-18 06:34:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-07-18 06:34:35,722 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 19 [2020-07-18 06:34:35,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:34:35,723 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-07-18 06:34:35,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:34:35,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states and 34 transitions. [2020-07-18 06:34:35,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-07-18 06:34:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-18 06:34:35,764 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:34:35,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 06:34:35,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:34:35,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:34:35,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:34:35,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1512571145, now seen corresponding path program 1 times [2020-07-18 06:34:35,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:34:35,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768259704] [2020-07-18 06:34:35,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:34:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:34:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:34:35,869 INFO L280 TraceCheckUtils]: 0: Hoare triple {512#true} assume true; {512#true} is VALID [2020-07-18 06:34:35,869 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {512#true} {512#true} #83#return; {512#true} is VALID [2020-07-18 06:34:35,869 INFO L263 TraceCheckUtils]: 0: Hoare triple {512#true} call ULTIMATE.init(); {512#true} is VALID [2020-07-18 06:34:35,870 INFO L280 TraceCheckUtils]: 1: Hoare triple {512#true} assume true; {512#true} is VALID [2020-07-18 06:34:35,870 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {512#true} {512#true} #83#return; {512#true} is VALID [2020-07-18 06:34:35,870 INFO L263 TraceCheckUtils]: 3: Hoare triple {512#true} call #t~ret6 := main(); {512#true} is VALID [2020-07-18 06:34:35,871 INFO L280 TraceCheckUtils]: 4: Hoare triple {512#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {512#true} is VALID [2020-07-18 06:34:35,871 INFO L280 TraceCheckUtils]: 5: Hoare triple {512#true} ~x~0 := #t~nondet0; {512#true} is VALID [2020-07-18 06:34:35,871 INFO L280 TraceCheckUtils]: 6: Hoare triple {512#true} havoc #t~nondet0; {512#true} is VALID [2020-07-18 06:34:35,872 INFO L280 TraceCheckUtils]: 7: Hoare triple {512#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {512#true} is VALID [2020-07-18 06:34:35,872 INFO L280 TraceCheckUtils]: 8: Hoare triple {512#true} ~z~0 := #t~nondet1; {512#true} is VALID [2020-07-18 06:34:35,872 INFO L280 TraceCheckUtils]: 9: Hoare triple {512#true} havoc #t~nondet1; {512#true} is VALID [2020-07-18 06:34:35,872 INFO L280 TraceCheckUtils]: 10: Hoare triple {512#true} assume !!(~x~0 > -100); {512#true} is VALID [2020-07-18 06:34:35,873 INFO L280 TraceCheckUtils]: 11: Hoare triple {512#true} assume !!(~x~0 < 200); {512#true} is VALID [2020-07-18 06:34:35,873 INFO L280 TraceCheckUtils]: 12: Hoare triple {512#true} assume !!(~z~0 > 100); {512#true} is VALID [2020-07-18 06:34:35,876 INFO L280 TraceCheckUtils]: 13: Hoare triple {512#true} assume !!(~z~0 < 200); {512#true} is VALID [2020-07-18 06:34:35,876 INFO L280 TraceCheckUtils]: 14: Hoare triple {512#true} assume !!(~x~0 < 100 && ~z~0 > 100); {512#true} is VALID [2020-07-18 06:34:35,877 INFO L280 TraceCheckUtils]: 15: Hoare triple {512#true} ~tmp~0 := #t~nondet2; {512#true} is VALID [2020-07-18 06:34:35,877 INFO L280 TraceCheckUtils]: 16: Hoare triple {512#true} havoc #t~nondet2; {512#true} is VALID [2020-07-18 06:34:35,877 INFO L280 TraceCheckUtils]: 17: Hoare triple {512#true} assume !(0 != ~tmp~0 % 256); {512#true} is VALID [2020-07-18 06:34:35,878 INFO L280 TraceCheckUtils]: 18: Hoare triple {512#true} #t~post4 := ~x~0; {512#true} is VALID [2020-07-18 06:34:35,878 INFO L280 TraceCheckUtils]: 19: Hoare triple {512#true} ~x~0 := #t~post4 - 1; {512#true} is VALID [2020-07-18 06:34:35,880 INFO L280 TraceCheckUtils]: 20: Hoare triple {512#true} havoc #t~post4; {512#true} is VALID [2020-07-18 06:34:35,880 INFO L280 TraceCheckUtils]: 21: Hoare triple {512#true} #t~post5 := ~z~0; {512#true} is VALID [2020-07-18 06:34:35,881 INFO L280 TraceCheckUtils]: 22: Hoare triple {512#true} ~z~0 := #t~post5 - 1; {512#true} is VALID [2020-07-18 06:34:35,881 INFO L280 TraceCheckUtils]: 23: Hoare triple {512#true} havoc #t~post5; {512#true} is VALID [2020-07-18 06:34:35,883 INFO L280 TraceCheckUtils]: 24: Hoare triple {512#true} assume !(~x~0 < 100 && ~z~0 > 100); {516#(or (<= main_~z~0 100) (< 99 main_~x~0))} is VALID [2020-07-18 06:34:35,884 INFO L263 TraceCheckUtils]: 25: Hoare triple {516#(or (<= main_~z~0 100) (< 99 main_~x~0))} call __VERIFIER_assert((if ~x~0 >= 100 || ~z~0 <= 100 then 1 else 0)); {517#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-18 06:34:35,885 INFO L280 TraceCheckUtils]: 26: Hoare triple {517#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {518#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:34:35,886 INFO L280 TraceCheckUtils]: 27: Hoare triple {518#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {513#false} is VALID [2020-07-18 06:34:35,886 INFO L280 TraceCheckUtils]: 28: Hoare triple {513#false} assume !false; {513#false} is VALID [2020-07-18 06:34:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 06:34:35,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768259704] [2020-07-18 06:34:35,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:34:35,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 06:34:35,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874518742] [2020-07-18 06:34:35,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-18 06:34:35,890 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:34:35,890 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 06:34:35,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:35,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 06:34:35,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:34:35,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 06:34:35,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 06:34:35,932 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 5 states. [2020-07-18 06:34:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:36,099 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2020-07-18 06:34:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 06:34:36,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-18 06:34:36,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:34:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:34:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2020-07-18 06:34:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 06:34:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2020-07-18 06:34:36,111 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 33 transitions. [2020-07-18 06:34:36,159 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:36,159 INFO L225 Difference]: With dead ends: 33 [2020-07-18 06:34:36,159 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 06:34:36,160 INFO L675 BasicCegarLoop]: 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 [2020-07-18 06:34:36,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 06:34:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 06:34:36,161 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:34:36,162 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 06:34:36,162 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 06:34:36,162 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 06:34:36,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:36,162 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 06:34:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:34:36,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:36,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:34:36,164 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 06:34:36,164 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 06:34:36,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:34:36,165 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 06:34:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:34:36,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:36,167 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:34:36,167 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:34:36,168 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:34:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 06:34:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 06:34:36,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2020-07-18 06:34:36,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:34:36,169 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 06:34:36,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 06:34:36,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 06:34:36,170 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:34:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:34:36,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:34:36,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:34:36,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 06:34:36,413 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 06:34:36,413 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 06:34:36,413 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 06:34:36,413 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 06:34:36,413 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 06:34:36,414 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 06:34:36,414 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-18 06:34:36,414 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-18 06:34:36,414 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-07-18 06:34:36,414 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-07-18 06:34:36,414 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-18 06:34:36,415 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,415 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,415 INFO L271 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: true [2020-07-18 06:34:36,415 INFO L264 CegarLoopResult]: At program point L27(lines 27 32) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,415 INFO L271 CegarLoopResult]: At program point L27-2(lines 24 33) the Hoare annotation is: true [2020-07-18 06:34:36,415 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 16 38) the Hoare annotation is: true [2020-07-18 06:34:36,416 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,416 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-18 06:34:36,416 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-18 06:34:36,416 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-18 06:34:36,416 INFO L271 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: true [2020-07-18 06:34:36,416 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,416 INFO L264 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,417 INFO L264 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,417 INFO L264 CegarLoopResult]: At program point L24-2(lines 24 33) the Hoare annotation is: (or (<= main_~z~0 100) (< 99 main_~x~0)) [2020-07-18 06:34:36,417 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-18 06:34:36,417 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-18 06:34:36,417 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-18 06:34:36,417 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-18 06:34:36,418 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 16 38) the Hoare annotation is: true [2020-07-18 06:34:36,418 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,418 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 16 38) the Hoare annotation is: true [2020-07-18 06:34:36,418 INFO L264 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,418 INFO L264 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,418 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,419 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (< 100 main_~z~0) [2020-07-18 06:34:36,419 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-18 06:34:36,419 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-18 06:34:36,419 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-18 06:34:36,419 INFO L271 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: true [2020-07-18 06:34:36,419 INFO L271 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: true [2020-07-18 06:34:36,419 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 7 12) the Hoare annotation is: true [2020-07-18 06:34:36,420 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 7 12) the Hoare annotation is: true [2020-07-18 06:34:36,420 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-18 06:34:36,420 INFO L264 CegarLoopResult]: At program point L8(lines 8 10) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-18 06:34:36,420 INFO L271 CegarLoopResult]: At program point L8-2(lines 7 12) the Hoare annotation is: true [2020-07-18 06:34:36,420 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-18 06:34:36,425 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:34:36,426 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 06:34:36,426 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-18 06:34:36,427 WARN L170 areAnnotationChecker]: L5-1 has no Hoare annotation [2020-07-18 06:34:36,427 WARN L170 areAnnotationChecker]: L5-3 has no Hoare annotation [2020-07-18 06:34:36,433 INFO L163 areAnnotationChecker]: CFG has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 06:34:36,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:34:36 BoogieIcfgContainer [2020-07-18 06:34:36,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:34:36,445 INFO L168 Benchmark]: Toolchain (without parser) took 2722.84 ms. Allocated memory was 138.9 MB in the beginning and 245.4 MB in the end (delta: 106.4 MB). Free memory was 102.5 MB in the beginning and 205.3 MB in the end (delta: -102.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-07-18 06:34:36,446 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 06:34:36,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.07 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 92.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-07-18 06:34:36,448 INFO L168 Benchmark]: Boogie Preprocessor took 114.22 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 92.0 MB in the beginning and 183.7 MB in the end (delta: -91.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-07-18 06:34:36,448 INFO L168 Benchmark]: RCFGBuilder took 431.52 ms. Allocated memory is still 203.9 MB. Free memory was 183.7 MB in the beginning and 160.1 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-18 06:34:36,449 INFO L168 Benchmark]: TraceAbstraction took 1914.14 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 160.1 MB in the beginning and 205.3 MB in the end (delta: -45.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 06:34:36,453 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.07 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 92.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.22 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 92.0 MB in the beginning and 183.7 MB in the end (delta: -91.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 431.52 ms. Allocated memory is still 203.9 MB. Free memory was 183.7 MB in the beginning and 160.1 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1914.14 ms. Allocated memory was 203.9 MB in the beginning and 245.4 MB in the end (delta: 41.4 MB). Free memory was 160.1 MB in the beginning and 205.3 MB in the end (delta: -45.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 16]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 7]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 106 SDtfs, 15 SDslu, 165 SDs, 0 SdLazy, 48 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 55 PreInvPairs, 67 NumberOfFragments, 84 HoareAnnotationTreeSize, 55 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 1984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...