/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_03-2.i
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This is Ultimate 0.1.25-8fc6572
[2020-07-10 15:27:51,711 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-10 15:27:51,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-10 15:27:51,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-10 15:27:51,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-10 15:27:51,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-10 15:27:51,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-10 15:27:51,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
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[2020-07-10 15:27:51,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2020-07-10 15:27:51,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-10 15:27:51,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-10 15:27:51,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-10 15:27:51,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2020-07-10 15:27:51,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-10 15:27:51,793 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-10 15:27:51,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-10 15:27:51,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-10 15:27:51,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-10 15:27:51,796 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-10 15:27:51,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-10 15:27:51,796 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-10 15:27:51,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-10 15:27:51,797 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-10 15:27:51,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-10 15:27:51,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-10 15:27:51,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-10 15:27:51,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-10 15:27:51,798 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-10 15:27:51,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-10 15:27:51,798 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-10 15:27:51,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-10 15:27:51,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-10 15:27:51,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-10 15:27:51,799 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-10 15:27:51,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-10 15:27:51,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-10 15:27:51,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-10 15:27:51,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-10 15:27:51,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-10 15:27:51,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-10 15:27:51,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-10 15:27:51,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-10 15:27:51,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-10 15:27:51,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-07-10 15:27:52,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-10 15:27:52,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-10 15:27:52,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-10 15:27:52,158 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-10 15:27:52,159 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-10 15:27:52,160 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-2.i
[2020-07-10 15:27:52,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b449e8e/3dc8a5ca9acd4f59bc556bd9c0d7b9e4/FLAGcdbce2096
[2020-07-10 15:27:52,800 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-10 15:27:52,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-2.i
[2020-07-10 15:27:52,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b449e8e/3dc8a5ca9acd4f59bc556bd9c0d7b9e4/FLAGcdbce2096
[2020-07-10 15:27:53,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b449e8e/3dc8a5ca9acd4f59bc556bd9c0d7b9e4
[2020-07-10 15:27:53,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-10 15:27:53,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-10 15:27:53,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-10 15:27:53,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-10 15:27:53,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-10 15:27:53,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53, skipping insertion in model container
[2020-07-10 15:27:53,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-10 15:27:53,196 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-10 15:27:53,484 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-10 15:27:53,491 INFO L203 MainTranslator]: Completed pre-run
[2020-07-10 15:27:53,513 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-10 15:27:53,532 INFO L208 MainTranslator]: Completed translation
[2020-07-10 15:27:53,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53 WrapperNode
[2020-07-10 15:27:53,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-10 15:27:53,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-10 15:27:53,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-10 15:27:53,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-10 15:27:53,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (1/1) ...
[2020-07-10 15:27:53,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-10 15:27:53,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-10 15:27:53,686 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-10 15:27:53,686 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-10 15:27:53,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (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
[2020-07-10 15:27:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-10 15:27:53,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-10 15:27:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-07-10 15:27:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-07-10 15:27:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-10 15:27:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-10 15:27:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-07-10 15:27:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-07-10 15:27:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-07-10 15:27:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-10 15:27:53,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-07-10 15:27:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-10 15:27:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-10 15:27:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-10 15:27:54,133 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-10 15:27:54,136 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-10 15:27:54,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:27:54 BoogieIcfgContainer
[2020-07-10 15:27:54,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-10 15:27:54,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-10 15:27:54,153 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-10 15:27:54,160 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-10 15:27:54,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:27:53" (1/3) ...
[2020-07-10 15:27:54,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329539e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:27:54, skipping insertion in model container
[2020-07-10 15:27:54,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:27:53" (2/3) ...
[2020-07-10 15:27:54,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329539e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:27:54, skipping insertion in model container
[2020-07-10 15:27:54,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:27:54" (3/3) ...
[2020-07-10 15:27:54,173 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_03-2.i
[2020-07-10 15:27:54,184 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-10 15:27:54,191 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-10 15:27:54,207 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-10 15:27:54,237 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-10 15:27:54,237 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-10 15:27:54,237 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-10 15:27:54,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-10 15:27:54,238 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-10 15:27:54,238 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-10 15:27:54,238 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-10 15:27:54,239 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-10 15:27:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states.
[2020-07-10 15:27:54,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-07-10 15:27:54,270 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-10 15:27:54,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-10 15:27:54,272 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-10 15:27:54,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-10 15:27:54,279 INFO L82 PathProgramCache]: Analyzing trace with hash -961315073, now seen corresponding path program 1 times
[2020-07-10 15:27:54,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-10 15:27:54,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738501714]
[2020-07-10 15:27:54,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-10 15:27:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 15:27:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 15:27:54,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {23#true} assume true; {23#true} is VALID
[2020-07-10 15:27:54,582 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {23#true} {23#true} #50#return; {23#true} is VALID
[2020-07-10 15:27:54,585 INFO L263 TraceCheckUtils]: 0: Hoare triple {23#true} call ULTIMATE.init(); {23#true} is VALID
[2020-07-10 15:27:54,585 INFO L280 TraceCheckUtils]: 1: Hoare triple {23#true} assume true; {23#true} is VALID
[2020-07-10 15:27:54,586 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} #50#return; {23#true} is VALID
[2020-07-10 15:27:54,586 INFO L263 TraceCheckUtils]: 3: Hoare triple {23#true} call #t~ret2 := main(); {23#true} is VALID
[2020-07-10 15:27:54,587 INFO L280 TraceCheckUtils]: 4: Hoare triple {23#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~y~0 := #t~nondet1;havoc #t~nondet1; {23#true} is VALID
[2020-07-10 15:27:54,587 INFO L280 TraceCheckUtils]: 5: Hoare triple {23#true} assume !!(~y~0 <= 1000000); {23#true} is VALID
[2020-07-10 15:27:54,589 INFO L280 TraceCheckUtils]: 6: Hoare triple {23#true} assume !(~y~0 > 0); {27#(<= main_~y~0 0)} is VALID
[2020-07-10 15:27:54,597 INFO L263 TraceCheckUtils]: 7: Hoare triple {27#(<= main_~y~0 0)} call __VERIFIER_assert((if ~y~0 <= 0 || (~y~0 > 0 && ~x~0 >= 100) then 1 else 0)); {28#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID
[2020-07-10 15:27:54,601 INFO L280 TraceCheckUtils]: 8: Hoare triple {28#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {29#(not (= 0 __VERIFIER_assert_~cond))} is VALID
[2020-07-10 15:27:54,603 INFO L280 TraceCheckUtils]: 9: Hoare triple {29#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {24#false} is VALID
[2020-07-10 15:27:54,603 INFO L280 TraceCheckUtils]: 10: Hoare triple {24#false} assume !false; {24#false} is VALID
[2020-07-10 15:27:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-10 15:27:54,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738501714]
[2020-07-10 15:27:54,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-10 15:27:54,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-10 15:27:54,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221222413]
[2020-07-10 15:27:54,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-07-10 15:27:54,626 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-10 15:27:54,630 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states.
[2020-07-10 15:27:54,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-10 15:27:54,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-10 15:27:54,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-07-10 15:27:54,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-10 15:27:54,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-10 15:27:54,686 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states.
[2020-07-10 15:27:54,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 15:27:54,961 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions.
[2020-07-10 15:27:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-10 15:27:54,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-07-10 15:27:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-10 15:27:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2020-07-10 15:27:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 47 transitions.
[2020-07-10 15:27:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2020-07-10 15:27:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 47 transitions.
[2020-07-10 15:27:54,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 47 transitions.
[2020-07-10 15:27:55,071 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-10 15:27:55,085 INFO L225 Difference]: With dead ends: 40
[2020-07-10 15:27:55,086 INFO L226 Difference]: Without dead ends: 13
[2020-07-10 15:27:55,091 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
[2020-07-10 15:27:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2020-07-10 15:27:55,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2020-07-10 15:27:55,139 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-10 15:27:55,140 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states.
[2020-07-10 15:27:55,141 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states.
[2020-07-10 15:27:55,142 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states.
[2020-07-10 15:27:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 15:27:55,146 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions.
[2020-07-10 15:27:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2020-07-10 15:27:55,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 15:27:55,147 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-10 15:27:55,148 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states.
[2020-07-10 15:27:55,148 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states.
[2020-07-10 15:27:55,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 15:27:55,152 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions.
[2020-07-10 15:27:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2020-07-10 15:27:55,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 15:27:55,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-10 15:27:55,154 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-10 15:27:55,154 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-10 15:27:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2020-07-10 15:27:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions.
[2020-07-10 15:27:55,159 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11
[2020-07-10 15:27:55,159 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-10 15:27:55,160 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions.
[2020-07-10 15:27:55,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-10 15:27:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2020-07-10 15:27:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-07-10 15:27:55,161 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-10 15:27:55,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-10 15:27:55,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-10 15:27:55,162 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-10 15:27:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-10 15:27:55,163 INFO L82 PathProgramCache]: Analyzing trace with hash -161295409, now seen corresponding path program 1 times
[2020-07-10 15:27:55,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-10 15:27:55,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729270720]
[2020-07-10 15:27:55,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-10 15:27:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 15:27:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 15:27:55,335 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#true} assume true; {131#true} is VALID
[2020-07-10 15:27:55,336 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {131#true} {131#true} #50#return; {131#true} is VALID
[2020-07-10 15:27:55,337 INFO L263 TraceCheckUtils]: 0: Hoare triple {131#true} call ULTIMATE.init(); {131#true} is VALID
[2020-07-10 15:27:55,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#true} assume true; {131#true} is VALID
[2020-07-10 15:27:55,338 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {131#true} {131#true} #50#return; {131#true} is VALID
[2020-07-10 15:27:55,338 INFO L263 TraceCheckUtils]: 3: Hoare triple {131#true} call #t~ret2 := main(); {131#true} is VALID
[2020-07-10 15:27:55,338 INFO L280 TraceCheckUtils]: 4: Hoare triple {131#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~y~0 := #t~nondet1;havoc #t~nondet1; {131#true} is VALID
[2020-07-10 15:27:55,339 INFO L280 TraceCheckUtils]: 5: Hoare triple {131#true} assume !!(~y~0 <= 1000000); {131#true} is VALID
[2020-07-10 15:27:55,342 INFO L280 TraceCheckUtils]: 6: Hoare triple {131#true} assume ~y~0 > 0; {135#(< 0 main_~y~0)} is VALID
[2020-07-10 15:27:55,344 INFO L280 TraceCheckUtils]: 7: Hoare triple {135#(< 0 main_~y~0)} assume !(~x~0 < 100); {136#(or (< 99 main_~x~0) (<= main_~y~0 0))} is VALID
[2020-07-10 15:27:55,347 INFO L263 TraceCheckUtils]: 8: Hoare triple {136#(or (< 99 main_~x~0) (<= main_~y~0 0))} call __VERIFIER_assert((if ~y~0 <= 0 || (~y~0 > 0 && ~x~0 >= 100) then 1 else 0)); {137#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID
[2020-07-10 15:27:55,349 INFO L280 TraceCheckUtils]: 9: Hoare triple {137#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {138#(not (= 0 __VERIFIER_assert_~cond))} is VALID
[2020-07-10 15:27:55,352 INFO L280 TraceCheckUtils]: 10: Hoare triple {138#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {132#false} is VALID
[2020-07-10 15:27:55,352 INFO L280 TraceCheckUtils]: 11: Hoare triple {132#false} assume !false; {132#false} is VALID
[2020-07-10 15:27:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-10 15:27:55,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729270720]
[2020-07-10 15:27:55,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-10 15:27:55,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-10 15:27:55,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120088592]
[2020-07-10 15:27:55,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12
[2020-07-10 15:27:55,358 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-10 15:27:55,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states.
[2020-07-10 15:27:55,383 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-10 15:27:55,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-10 15:27:55,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-07-10 15:27:55,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-10 15:27:55,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-10 15:27:55,386 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states.
[2020-07-10 15:27:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 15:27:55,531 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions.
[2020-07-10 15:27:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-10 15:27:55,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12
[2020-07-10 15:27:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-10 15:27:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-07-10 15:27:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions.
[2020-07-10 15:27:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-07-10 15:27:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions.
[2020-07-10 15:27:55,536 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 13 transitions.
[2020-07-10 15:27:55,555 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-10 15:27:55,555 INFO L225 Difference]: With dead ends: 13
[2020-07-10 15:27:55,556 INFO L226 Difference]: Without dead ends: 0
[2020-07-10 15:27:55,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-07-10 15:27:55,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-10 15:27:55,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-10 15:27:55,558 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-10 15:27:55,558 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states.
[2020-07-10 15:27:55,559 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states.
[2020-07-10 15:27:55,559 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states.
[2020-07-10 15:27:55,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 15:27:55,559 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions.
[2020-07-10 15:27:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-10 15:27:55,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 15:27:55,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-10 15:27:55,560 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states.
[2020-07-10 15:27:55,560 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states.
[2020-07-10 15:27:55,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 15:27:55,561 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions.
[2020-07-10 15:27:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-10 15:27:55,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 15:27:55,561 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-10 15:27:55,562 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-10 15:27:55,562 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-10 15:27:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-10 15:27:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-10 15:27:55,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2020-07-10 15:27:55,563 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-10 15:27:55,563 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-10 15:27:55,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-10 15:27:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-10 15:27:55,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 15:27:55,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-10 15:27:55,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-10 15:27:55,628 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-07-10 15:27:55,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-10 15:27:55,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-10 15:27:55,628 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-07-10 15:27:55,629 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-10 15:27:55,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-10 15:27:55,629 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed.
[2020-07-10 15:27:55,629 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed.
[2020-07-10 15:27:55,629 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed.
[2020-07-10 15:27:55,629 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed.
[2020-07-10 15:27:55,629 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 14 25) the Hoare annotation is: true
[2020-07-10 15:27:55,630 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 14 25) no Hoare annotation was computed.
[2020-07-10 15:27:55,630 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-07-10 15:27:55,630 INFO L268 CegarLoopResult]: For program point L18(lines 18 22) no Hoare annotation was computed.
[2020-07-10 15:27:55,630 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-07-10 15:27:55,630 INFO L264 CegarLoopResult]: At program point L19-2(lines 19 21) the Hoare annotation is: (< 0 main_~y~0)
[2020-07-10 15:27:55,630 INFO L264 CegarLoopResult]: At program point L18-1(lines 18 22) the Hoare annotation is: (or (< 99 main_~x~0) (<= main_~y~0 0))
[2020-07-10 15:27:55,631 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 14 25) no Hoare annotation was computed.
[2020-07-10 15:27:55,631 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true
[2020-07-10 15:27:55,631 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed.
[2020-07-10 15:27:55,631 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-07-10 15:27:55,631 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed.
[2020-07-10 15:27:55,631 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed.
[2020-07-10 15:27:55,632 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2020-07-10 15:27:55,638 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation
[2020-07-10 15:27:55,639 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation
[2020-07-10 15:27:55,639 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation
[2020-07-10 15:27:55,639 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation
[2020-07-10 15:27:55,639 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation
[2020-07-10 15:27:55,639 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation
[2020-07-10 15:27:55,639 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation
[2020-07-10 15:27:55,640 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation
[2020-07-10 15:27:55,640 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation
[2020-07-10 15:27:55,640 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation
[2020-07-10 15:27:55,640 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation
[2020-07-10 15:27:55,640 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation
[2020-07-10 15:27:55,640 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation
[2020-07-10 15:27:55,641 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation
[2020-07-10 15:27:55,641 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation
[2020-07-10 15:27:55,641 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation
[2020-07-10 15:27:55,641 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation
[2020-07-10 15:27:55,641 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation
[2020-07-10 15:27:55,641 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation
[2020-07-10 15:27:55,642 WARN L170 areAnnotationChecker]: L7-2 has no Hoare annotation
[2020-07-10 15:27:55,642 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation
[2020-07-10 15:27:55,644 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation
[2020-07-10 15:27:55,644 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation
[2020-07-10 15:27:55,645 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation
[2020-07-10 15:27:55,645 INFO L163 areAnnotationChecker]: CFG has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing.
[2020-07-10 15:27:55,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:27:55 BoogieIcfgContainer
[2020-07-10 15:27:55,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-10 15:27:55,665 INFO L168 Benchmark]: Toolchain (without parser) took 2514.51 ms. Allocated memory was 136.8 MB in the beginning and 230.7 MB in the end (delta: 93.8 MB). Free memory was 102.2 MB in the beginning and 176.6 MB in the end (delta: -74.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB.
[2020-07-10 15:27:55,666 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-10 15:27:55,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.99 ms. Allocated memory is still 136.8 MB. Free memory was 102.0 MB in the beginning and 92.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-07-10 15:27:55,668 INFO L168 Benchmark]: Boogie Preprocessor took 144.20 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 92.3 MB in the beginning and 181.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB.
[2020-07-10 15:27:55,669 INFO L168 Benchmark]: RCFGBuilder took 459.09 ms. Allocated memory is still 201.3 MB. Free memory was 180.5 MB in the beginning and 163.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB.
[2020-07-10 15:27:55,670 INFO L168 Benchmark]: TraceAbstraction took 1508.18 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.0 MB in the beginning and 176.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB.
[2020-07-10 15:27:55,674 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 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 381.99 ms. Allocated memory is still 136.8 MB. Free memory was 102.0 MB in the beginning and 92.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 144.20 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 92.3 MB in the beginning and 181.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 459.09 ms. Allocated memory is still 201.3 MB. Free memory was 180.5 MB in the beginning and 163.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1508.18 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.0 MB in the beginning and 176.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 8]: 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: 19]: Loop Invariant
Derived loop invariant: 0 < y
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 11 SDslu, 84 SDs, 0 SdLazy, 28 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 15 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 455 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...