/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/terminator_03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:22:12,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:22:12,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:22:12,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:22:12,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:22:12,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:22:12,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:22:12,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:22:12,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:22:12,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:22:12,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:22:12,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:22:12,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:22:12,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:22:12,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:22:12,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:22:12,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:22:12,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:22:12,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:22:12,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:22:12,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:22:12,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:22:12,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:22:12,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:22:12,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 20:22:12,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:22:12,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:22:12,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:22:12,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 20:22:12,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:22:12,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:22:12,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:22:12,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:22:12,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:22:12,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:22:12,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:22:12,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:22:12,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:22:12,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:22:12,613 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:22:12,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:22:12,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:22:12,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:22:12,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:22:12,614 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:22:12,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:22:12,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:22:12,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:22:12,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:22:12,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:22:12,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:22:12,616 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:22:12,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:22:12,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:22:12,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:22:12,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:22:12,932 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:22:12,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-2.i [2020-07-10 20:22:13,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60cbcbc38/4ac43501738344908a2a0c10697fe20d/FLAG9f768828a [2020-07-10 20:22:13,594 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:22:13,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-2.i [2020-07-10 20:22:13,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60cbcbc38/4ac43501738344908a2a0c10697fe20d/FLAG9f768828a [2020-07-10 20:22:13,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60cbcbc38/4ac43501738344908a2a0c10697fe20d [2020-07-10 20:22:13,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:22:13,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:22:13,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:22:13,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:22:13,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:22:13,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:22:13" (1/1) ... [2020-07-10 20:22:13,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a05ee65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:13, skipping insertion in model container [2020-07-10 20:22:13,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:22:13" (1/1) ... [2020-07-10 20:22:13,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:22:13,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:22:14,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:22:14,192 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:22:14,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:22:14,231 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:22:14,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14 WrapperNode [2020-07-10 20:22:14,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:22:14,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:22:14,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:22:14,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:22:14,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (1/1) ... [2020-07-10 20:22:14,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:22:14,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:22:14,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:22:14,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:22:14,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (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 20:22:14,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:22:14,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:22:14,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:22:14,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 20:22:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:22:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:22:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:22:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:22:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:22:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 20:22:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-10 20:22:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:22:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:22:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:22:14,764 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:22:14,765 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 20:22:14,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:22:14 BoogieIcfgContainer [2020-07-10 20:22:14,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:22:14,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:22:14,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:22:14,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:22:14,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:22:13" (1/3) ... [2020-07-10 20:22:14,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3294c0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:22:14, skipping insertion in model container [2020-07-10 20:22:14,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:22:14" (2/3) ... [2020-07-10 20:22:14,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3294c0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:22:14, skipping insertion in model container [2020-07-10 20:22:14,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:22:14" (3/3) ... [2020-07-10 20:22:14,781 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_03-2.i [2020-07-10 20:22:14,795 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:22:14,805 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:22:14,834 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:22:14,880 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:22:14,881 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:22:14,881 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:22:14,881 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:22:14,882 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:22:14,882 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:22:14,882 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:22:14,882 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:22:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-07-10 20:22:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-10 20:22:14,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:14,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:22:14,915 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:22:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1821115279, now seen corresponding path program 1 times [2020-07-10 20:22:14,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:14,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218083270] [2020-07-10 20:22:14,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:15,189 INFO L280 TraceCheckUtils]: 0: Hoare triple {30#true} assume true; {30#true} is VALID [2020-07-10 20:22:15,190 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {30#true} {30#true} #58#return; {30#true} is VALID [2020-07-10 20:22:15,193 INFO L263 TraceCheckUtils]: 0: Hoare triple {30#true} call ULTIMATE.init(); {30#true} is VALID [2020-07-10 20:22:15,194 INFO L280 TraceCheckUtils]: 1: Hoare triple {30#true} assume true; {30#true} is VALID [2020-07-10 20:22:15,195 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {30#true} {30#true} #58#return; {30#true} is VALID [2020-07-10 20:22:15,196 INFO L263 TraceCheckUtils]: 3: Hoare triple {30#true} call #t~ret2 := main(); {30#true} is VALID [2020-07-10 20:22:15,196 INFO L280 TraceCheckUtils]: 4: Hoare triple {30#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {30#true} is VALID [2020-07-10 20:22:15,197 INFO L280 TraceCheckUtils]: 5: Hoare triple {30#true} ~x~0 := #t~nondet0; {30#true} is VALID [2020-07-10 20:22:15,197 INFO L280 TraceCheckUtils]: 6: Hoare triple {30#true} havoc #t~nondet0; {30#true} is VALID [2020-07-10 20:22:15,197 INFO L280 TraceCheckUtils]: 7: Hoare triple {30#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {30#true} is VALID [2020-07-10 20:22:15,197 INFO L280 TraceCheckUtils]: 8: Hoare triple {30#true} ~y~0 := #t~nondet1; {30#true} is VALID [2020-07-10 20:22:15,198 INFO L280 TraceCheckUtils]: 9: Hoare triple {30#true} havoc #t~nondet1; {30#true} is VALID [2020-07-10 20:22:15,198 INFO L280 TraceCheckUtils]: 10: Hoare triple {30#true} assume !!(~y~0 <= 1000000); {30#true} is VALID [2020-07-10 20:22:15,203 INFO L280 TraceCheckUtils]: 11: Hoare triple {30#true} assume !(~y~0 > 0); {34#(<= main_~y~0 0)} is VALID [2020-07-10 20:22:15,208 INFO L263 TraceCheckUtils]: 12: Hoare triple {34#(<= main_~y~0 0)} call __VERIFIER_assert((if ~y~0 <= 0 || (~y~0 > 0 && ~x~0 >= 100) then 1 else 0)); {35#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-10 20:22:15,210 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {36#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-10 20:22:15,212 INFO L280 TraceCheckUtils]: 14: Hoare triple {36#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {31#false} is VALID [2020-07-10 20:22:15,213 INFO L280 TraceCheckUtils]: 15: Hoare triple {31#false} assume !false; {31#false} is VALID [2020-07-10 20:22:15,216 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 20:22:15,217 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:22:15,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218083270] [2020-07-10 20:22:15,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:22:15,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 20:22:15,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898851612] [2020-07-10 20:22:15,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-10 20:22:15,235 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:22:15,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 20:22:15,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:15,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 20:22:15,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:22:15,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 20:22:15,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-10 20:22:15,299 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-07-10 20:22:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:15,612 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2020-07-10 20:22:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 20:22:15,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-10 20:22:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:22:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 20:22:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2020-07-10 20:22:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 20:22:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2020-07-10 20:22:15,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 54 transitions. [2020-07-10 20:22:15,728 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:15,742 INFO L225 Difference]: With dead ends: 47 [2020-07-10 20:22:15,743 INFO L226 Difference]: Without dead ends: 19 [2020-07-10 20:22:15,748 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 20:22:15,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-07-10 20:22:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-07-10 20:22:15,806 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:22:15,806 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2020-07-10 20:22:15,807 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-10 20:22:15,807 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-10 20:22:15,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:15,812 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2020-07-10 20:22:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-07-10 20:22:15,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:15,813 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:15,813 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2020-07-10 20:22:15,814 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2020-07-10 20:22:15,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:15,819 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2020-07-10 20:22:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-07-10 20:22:15,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:15,820 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:15,820 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:22:15,820 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:22:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-10 20:22:15,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-07-10 20:22:15,829 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2020-07-10 20:22:15,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:22:15,830 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-07-10 20:22:15,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 20:22:15,831 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 19 transitions. [2020-07-10 20:22:15,870 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-07-10 20:22:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-10 20:22:15,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:22:15,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:22:15,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:22:15,873 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:22:15,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:22:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1074850683, now seen corresponding path program 1 times [2020-07-10 20:22:15,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:22:15,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120464784] [2020-07-10 20:22:15,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:22:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:22:16,052 INFO L280 TraceCheckUtils]: 0: Hoare triple {211#true} assume true; {211#true} is VALID [2020-07-10 20:22:16,053 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {211#true} {211#true} #58#return; {211#true} is VALID [2020-07-10 20:22:16,053 INFO L263 TraceCheckUtils]: 0: Hoare triple {211#true} call ULTIMATE.init(); {211#true} is VALID [2020-07-10 20:22:16,054 INFO L280 TraceCheckUtils]: 1: Hoare triple {211#true} assume true; {211#true} is VALID [2020-07-10 20:22:16,054 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {211#true} {211#true} #58#return; {211#true} is VALID [2020-07-10 20:22:16,054 INFO L263 TraceCheckUtils]: 3: Hoare triple {211#true} call #t~ret2 := main(); {211#true} is VALID [2020-07-10 20:22:16,055 INFO L280 TraceCheckUtils]: 4: Hoare triple {211#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {211#true} is VALID [2020-07-10 20:22:16,055 INFO L280 TraceCheckUtils]: 5: Hoare triple {211#true} ~x~0 := #t~nondet0; {211#true} is VALID [2020-07-10 20:22:16,055 INFO L280 TraceCheckUtils]: 6: Hoare triple {211#true} havoc #t~nondet0; {211#true} is VALID [2020-07-10 20:22:16,056 INFO L280 TraceCheckUtils]: 7: Hoare triple {211#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {211#true} is VALID [2020-07-10 20:22:16,056 INFO L280 TraceCheckUtils]: 8: Hoare triple {211#true} ~y~0 := #t~nondet1; {211#true} is VALID [2020-07-10 20:22:16,057 INFO L280 TraceCheckUtils]: 9: Hoare triple {211#true} havoc #t~nondet1; {211#true} is VALID [2020-07-10 20:22:16,057 INFO L280 TraceCheckUtils]: 10: Hoare triple {211#true} assume !!(~y~0 <= 1000000); {211#true} is VALID [2020-07-10 20:22:16,058 INFO L280 TraceCheckUtils]: 11: Hoare triple {211#true} assume ~y~0 > 0; {215#(< 0 main_~y~0)} is VALID [2020-07-10 20:22:16,060 INFO L280 TraceCheckUtils]: 12: Hoare triple {215#(< 0 main_~y~0)} assume !(~x~0 < 100); {216#(and (< 0 main_~y~0) (< 99 main_~x~0))} is VALID [2020-07-10 20:22:16,062 INFO L263 TraceCheckUtils]: 13: Hoare triple {216#(and (< 0 main_~y~0) (< 99 main_~x~0))} call __VERIFIER_assert((if ~y~0 <= 0 || (~y~0 > 0 && ~x~0 >= 100) then 1 else 0)); {217#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-10 20:22:16,064 INFO L280 TraceCheckUtils]: 14: Hoare triple {217#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {218#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-10 20:22:16,065 INFO L280 TraceCheckUtils]: 15: Hoare triple {218#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {212#false} is VALID [2020-07-10 20:22:16,066 INFO L280 TraceCheckUtils]: 16: Hoare triple {212#false} assume !false; {212#false} is VALID [2020-07-10 20:22:16,067 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 20:22:16,067 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:22:16,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120464784] [2020-07-10 20:22:16,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:22:16,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:22:16,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508410343] [2020-07-10 20:22:16,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-07-10 20:22:16,070 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:22:16,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:22:16,096 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:16,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:22:16,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:22:16,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:22:16,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:22:16,097 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 6 states. [2020-07-10 20:22:16,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:16,214 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2020-07-10 20:22:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 20:22:16,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-07-10 20:22:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:22:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:22:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2020-07-10 20:22:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:22:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2020-07-10 20:22:16,220 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 19 transitions. [2020-07-10 20:22:16,247 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:16,247 INFO L225 Difference]: With dead ends: 19 [2020-07-10 20:22:16,247 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 20:22:16,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-10 20:22:16,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 20:22:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 20:22:16,250 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:22:16,251 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 20:22:16,251 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:22:16,251 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:22:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:16,251 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:22:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:22:16,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:16,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:16,252 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:22:16,252 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:22:16,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:22:16,253 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:22:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:22:16,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:16,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:22:16,254 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:22:16,254 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:22:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 20:22:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 20:22:16,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-07-10 20:22:16,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:22:16,255 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 20:22:16,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:22:16,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 20:22:16,255 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:22:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:22:16,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:22:16,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 20:22:16,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 20:22:16,452 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:22:16,452 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:22:16,453 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:22:16,453 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 20:22:16,453 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 20:22:16,453 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:22:16,453 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-07-10 20:22:16,454 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-10 20:22:16,454 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-10 20:22:16,454 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-07-10 20:22:16,454 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-10 20:22:16,454 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 14 25) the Hoare annotation is: true [2020-07-10 20:22:16,454 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-10 20:22:16,455 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-10 20:22:16,455 INFO L264 CegarLoopResult]: At program point L19-2(lines 19 21) the Hoare annotation is: (< 0 main_~y~0) [2020-07-10 20:22:16,455 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-07-10 20:22:16,455 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-10 20:22:16,455 INFO L271 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: true [2020-07-10 20:22:16,456 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 14 25) the Hoare annotation is: true [2020-07-10 20:22:16,456 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 14 25) the Hoare annotation is: true [2020-07-10 20:22:16,456 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (< 0 main_~y~0) [2020-07-10 20:22:16,456 INFO L271 CegarLoopResult]: At program point L18(lines 18 22) the Hoare annotation is: true [2020-07-10 20:22:16,457 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 20:22:16,457 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-10 20:22:16,457 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true [2020-07-10 20:22:16,457 INFO L271 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: true [2020-07-10 20:22:16,457 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-07-10 20:22:16,457 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:22:16,458 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-10 20:22:16,458 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:22:16,458 INFO L264 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:22:16,458 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-10 20:22:16,464 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 20:22:16,465 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 20:22:16,466 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 20:22:16,467 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-10 20:22:16,467 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-10 20:22:16,473 INFO L163 areAnnotationChecker]: CFG has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 20:22:16,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:22:16 BoogieIcfgContainer [2020-07-10 20:22:16,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 20:22:16,495 INFO L168 Benchmark]: Toolchain (without parser) took 2565.58 ms. Allocated memory was 136.3 MB in the beginning and 224.4 MB in the end (delta: 88.1 MB). Free memory was 98.2 MB in the beginning and 141.6 MB in the end (delta: -43.4 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:16,496 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 136.3 MB. Free memory was 116.0 MB in the beginning and 115.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 20:22:16,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.69 ms. Allocated memory is still 136.3 MB. Free memory was 98.0 MB in the beginning and 88.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:16,499 INFO L168 Benchmark]: Boogie Preprocessor took 40.36 ms. Allocated memory is still 136.3 MB. Free memory was 88.2 MB in the beginning and 86.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:16,500 INFO L168 Benchmark]: RCFGBuilder took 497.67 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 86.6 MB in the beginning and 160.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:16,501 INFO L168 Benchmark]: TraceAbstraction took 1718.45 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 159.6 MB in the beginning and 141.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2020-07-10 20:22:16,506 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 0.31 ms. Allocated memory is still 136.3 MB. Free memory was 116.0 MB in the beginning and 115.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 301.69 ms. Allocated memory is still 136.3 MB. Free memory was 98.0 MB in the beginning and 88.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.36 ms. Allocated memory is still 136.3 MB. Free memory was 88.2 MB in the beginning and 86.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 497.67 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 86.6 MB in the beginning and 160.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1718.45 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 159.6 MB in the beginning and 141.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 43.1 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 - ProcedureContractResult [Line: 14]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 0 == \old(cond) || !(0 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 44 SDtfs, 12 SDslu, 117 SDs, 0 SdLazy, 26 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 27 LocationsWithAnnotation, 39 PreInvPairs, 53 NumberOfFragments, 62 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...