/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-crafted-1/loopv1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:25:24,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:25:24,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:25:24,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:25:24,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:25:24,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:25:24,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:25:24,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:25:24,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:25:24,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:25:24,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:25:24,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:25:24,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:25:24,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:25:24,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:25:24,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:25:24,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:25:24,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:25:24,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:25:24,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:25:24,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:25:24,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:25:24,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:25:24,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:25:24,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 20:25:24,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:25:24,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:25:24,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:25:24,529 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 20:25:24,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:25:24,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:25:24,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:25:24,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:25:24,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:25:24,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:25:24,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:25:24,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:25:24,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:25:24,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:25:24,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:25:24,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:25:24,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:25:24,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:25:24,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:25:24,565 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:25:24,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:25:24,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:25:24,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:25:24,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:25:24,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:25:24,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:25:24,571 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:25:24,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:25:24,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:25:24,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:25:24,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:25:24,894 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:25:24,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-10 20:25:24,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800ea61bb/5deac1028cb047b082320bb795b8520e/FLAG68cda38db [2020-07-10 20:25:25,455 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:25:25,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-10 20:25:25,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800ea61bb/5deac1028cb047b082320bb795b8520e/FLAG68cda38db [2020-07-10 20:25:25,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800ea61bb/5deac1028cb047b082320bb795b8520e [2020-07-10 20:25:25,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:25:25,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:25:25,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:25:25,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:25:25,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:25:25,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:25:25" (1/1) ... [2020-07-10 20:25:25,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22288803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:25, skipping insertion in model container [2020-07-10 20:25:25,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:25:25" (1/1) ... [2020-07-10 20:25:25,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:25:25,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:25:26,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:25:26,047 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:25:26,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:25:26,081 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:25:26,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26 WrapperNode [2020-07-10 20:25:26,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:25:26,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:25:26,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:25:26,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:25:26,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (1/1) ... [2020-07-10 20:25:26,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:25:26,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:25:26,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:25:26,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:25:26,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (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 20:25:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:25:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:25:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:25:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 20:25:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:25:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 20:25:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:25:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:25:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:25:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:25:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:25:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:25:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:25:26,621 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:25:26,622 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 20:25:26,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:25:26 BoogieIcfgContainer [2020-07-10 20:25:26,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:25:26,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:25:26,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:25:26,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:25:26,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:25:25" (1/3) ... [2020-07-10 20:25:26,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8e7e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:25:26, skipping insertion in model container [2020-07-10 20:25:26,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:26" (2/3) ... [2020-07-10 20:25:26,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8e7e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:25:26, skipping insertion in model container [2020-07-10 20:25:26,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:25:26" (3/3) ... [2020-07-10 20:25:26,635 INFO L109 eAbstractionObserver]: Analyzing ICFG loopv1.c [2020-07-10 20:25:26,645 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:25:26,653 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:25:26,665 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:25:26,682 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:25:26,682 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:25:26,682 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:25:26,682 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:25:26,683 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:25:26,683 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:25:26,683 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:25:26,683 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:25:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-10 20:25:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-10 20:25:26,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:25:26,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:25:26,706 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:25:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:25:26,711 INFO L82 PathProgramCache]: Analyzing trace with hash 177195790, now seen corresponding path program 1 times [2020-07-10 20:25:26,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:25:26,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862332420] [2020-07-10 20:25:26,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:25:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:25:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:25:26,894 INFO L280 TraceCheckUtils]: 0: Hoare triple {42#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {37#true} is VALID [2020-07-10 20:25:26,895 INFO L280 TraceCheckUtils]: 1: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-10 20:25:26,895 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {37#true} {37#true} #65#return; {37#true} is VALID [2020-07-10 20:25:26,900 INFO L263 TraceCheckUtils]: 0: Hoare triple {37#true} call ULTIMATE.init(); {42#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-10 20:25:26,901 INFO L280 TraceCheckUtils]: 1: Hoare triple {42#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {37#true} is VALID [2020-07-10 20:25:26,901 INFO L280 TraceCheckUtils]: 2: Hoare triple {37#true} assume true; {37#true} is VALID [2020-07-10 20:25:26,901 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} #65#return; {37#true} is VALID [2020-07-10 20:25:26,902 INFO L263 TraceCheckUtils]: 4: Hoare triple {37#true} call #t~ret2 := main(); {37#true} is VALID [2020-07-10 20:25:26,902 INFO L280 TraceCheckUtils]: 5: Hoare triple {37#true} havoc ~n~0; {37#true} is VALID [2020-07-10 20:25:26,903 INFO L280 TraceCheckUtils]: 6: Hoare triple {37#true} havoc ~i~0; {37#true} is VALID [2020-07-10 20:25:26,903 INFO L280 TraceCheckUtils]: 7: Hoare triple {37#true} havoc ~j~0; {37#true} is VALID [2020-07-10 20:25:26,903 INFO L280 TraceCheckUtils]: 8: Hoare triple {37#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {37#true} is VALID [2020-07-10 20:25:26,904 INFO L280 TraceCheckUtils]: 9: Hoare triple {37#true} ~n~0 := #t~nondet0; {37#true} is VALID [2020-07-10 20:25:26,904 INFO L280 TraceCheckUtils]: 10: Hoare triple {37#true} havoc #t~nondet0; {37#true} is VALID [2020-07-10 20:25:26,905 INFO L280 TraceCheckUtils]: 11: Hoare triple {37#true} assume !!(~n~0 <= ~SIZE~0); {37#true} is VALID [2020-07-10 20:25:26,906 INFO L280 TraceCheckUtils]: 12: Hoare triple {37#true} ~i~0 := 0; {37#true} is VALID [2020-07-10 20:25:26,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {37#true} ~j~0 := 0; {37#true} is VALID [2020-07-10 20:25:26,908 INFO L280 TraceCheckUtils]: 14: Hoare triple {37#true} assume !true; {38#false} is VALID [2020-07-10 20:25:26,908 INFO L263 TraceCheckUtils]: 15: Hoare triple {38#false} call __VERIFIER_assert((if 0 == (if ~i~0 < 0 && 0 != ~i~0 % 3 then ~i~0 % 3 - 3 else ~i~0 % 3) then 1 else 0)); {38#false} is VALID [2020-07-10 20:25:26,909 INFO L280 TraceCheckUtils]: 16: Hoare triple {38#false} ~cond := #in~cond; {38#false} is VALID [2020-07-10 20:25:26,909 INFO L280 TraceCheckUtils]: 17: Hoare triple {38#false} assume 0 == ~cond; {38#false} is VALID [2020-07-10 20:25:26,909 INFO L280 TraceCheckUtils]: 18: Hoare triple {38#false} assume !false; {38#false} is VALID [2020-07-10 20:25:26,913 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 20:25:26,916 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:25:26,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862332420] [2020-07-10 20:25:26,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:25:26,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 20:25:26,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39116219] [2020-07-10 20:25:26,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-10 20:25:26,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:25:26,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 20:25:26,983 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 20:25:26,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 20:25:26,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:25:26,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 20:25:26,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 20:25:26,995 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2020-07-10 20:25:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:25:27,191 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2020-07-10 20:25:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 20:25:27,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-10 20:25:27,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:25:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 20:25:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2020-07-10 20:25:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 20:25:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2020-07-10 20:25:27,211 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 51 transitions. [2020-07-10 20:25:27,308 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:25:27,321 INFO L225 Difference]: With dead ends: 46 [2020-07-10 20:25:27,322 INFO L226 Difference]: Without dead ends: 26 [2020-07-10 20:25:27,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 20:25:27,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-07-10 20:25:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-07-10 20:25:27,405 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:25:27,405 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 26 states. [2020-07-10 20:25:27,406 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-10 20:25:27,406 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-10 20:25:27,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:25:27,411 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-07-10 20:25:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-07-10 20:25:27,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:25:27,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:25:27,413 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-10 20:25:27,413 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-10 20:25:27,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:25:27,418 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-07-10 20:25:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-07-10 20:25:27,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:25:27,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:25:27,419 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:25:27,419 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:25:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-10 20:25:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-07-10 20:25:27,424 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19 [2020-07-10 20:25:27,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:25:27,425 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-07-10 20:25:27,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 20:25:27,425 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 27 transitions. [2020-07-10 20:25:27,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:25:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-07-10 20:25:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-10 20:25:27,490 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:25:27,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 20:25:27,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:25:27,491 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:25:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:25:27,492 INFO L82 PathProgramCache]: Analyzing trace with hash 163342975, now seen corresponding path program 1 times [2020-07-10 20:25:27,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:25:27,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273258434] [2020-07-10 20:25:27,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:25:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:25:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 20:25:27,751 INFO L280 TraceCheckUtils]: 0: Hoare triple {249#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {241#true} is VALID [2020-07-10 20:25:27,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {241#true} assume true; {241#true} is VALID [2020-07-10 20:25:27,752 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {241#true} {241#true} #65#return; {241#true} is VALID [2020-07-10 20:25:27,753 INFO L263 TraceCheckUtils]: 0: Hoare triple {241#true} call ULTIMATE.init(); {249#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-10 20:25:27,754 INFO L280 TraceCheckUtils]: 1: Hoare triple {249#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {241#true} is VALID [2020-07-10 20:25:27,754 INFO L280 TraceCheckUtils]: 2: Hoare triple {241#true} assume true; {241#true} is VALID [2020-07-10 20:25:27,755 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {241#true} {241#true} #65#return; {241#true} is VALID [2020-07-10 20:25:27,755 INFO L263 TraceCheckUtils]: 4: Hoare triple {241#true} call #t~ret2 := main(); {241#true} is VALID [2020-07-10 20:25:27,755 INFO L280 TraceCheckUtils]: 5: Hoare triple {241#true} havoc ~n~0; {241#true} is VALID [2020-07-10 20:25:27,756 INFO L280 TraceCheckUtils]: 6: Hoare triple {241#true} havoc ~i~0; {241#true} is VALID [2020-07-10 20:25:27,756 INFO L280 TraceCheckUtils]: 7: Hoare triple {241#true} havoc ~j~0; {241#true} is VALID [2020-07-10 20:25:27,756 INFO L280 TraceCheckUtils]: 8: Hoare triple {241#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {241#true} is VALID [2020-07-10 20:25:27,757 INFO L280 TraceCheckUtils]: 9: Hoare triple {241#true} ~n~0 := #t~nondet0; {241#true} is VALID [2020-07-10 20:25:27,757 INFO L280 TraceCheckUtils]: 10: Hoare triple {241#true} havoc #t~nondet0; {241#true} is VALID [2020-07-10 20:25:27,757 INFO L280 TraceCheckUtils]: 11: Hoare triple {241#true} assume !!(~n~0 <= ~SIZE~0); {241#true} is VALID [2020-07-10 20:25:27,758 INFO L280 TraceCheckUtils]: 12: Hoare triple {241#true} ~i~0 := 0; {246#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} is VALID [2020-07-10 20:25:27,760 INFO L280 TraceCheckUtils]: 13: Hoare triple {246#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} ~j~0 := 0; {246#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} is VALID [2020-07-10 20:25:27,761 INFO L280 TraceCheckUtils]: 14: Hoare triple {246#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} assume !(~i~0 < ~n~0); {246#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} is VALID [2020-07-10 20:25:27,762 INFO L263 TraceCheckUtils]: 15: Hoare triple {246#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} call __VERIFIER_assert((if 0 == (if ~i~0 < 0 && 0 != ~i~0 % 3 then ~i~0 % 3 - 3 else ~i~0 % 3) then 1 else 0)); {247#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-10 20:25:27,763 INFO L280 TraceCheckUtils]: 16: Hoare triple {247#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {248#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-10 20:25:27,764 INFO L280 TraceCheckUtils]: 17: Hoare triple {248#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {242#false} is VALID [2020-07-10 20:25:27,764 INFO L280 TraceCheckUtils]: 18: Hoare triple {242#false} assume !false; {242#false} is VALID [2020-07-10 20:25:27,767 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 20:25:27,767 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:25:27,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273258434] [2020-07-10 20:25:27,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 20:25:27,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 20:25:27,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402175065] [2020-07-10 20:25:27,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-07-10 20:25:27,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 20:25:27,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 20:25:27,795 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 20:25:27,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 20:25:27,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 20:25:27,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 20:25:27,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 20:25:27,797 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 6 states. [2020-07-10 20:25:28,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:25:28,082 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-07-10 20:25:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 20:25:28,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-07-10 20:25:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 20:25:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:25:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-07-10 20:25:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 20:25:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-07-10 20:25:28,087 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 27 transitions. [2020-07-10 20:25:28,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 20:25:28,130 INFO L225 Difference]: With dead ends: 26 [2020-07-10 20:25:28,131 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 20:25:28,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-07-10 20:25:28,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 20:25:28,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 20:25:28,133 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 20:25:28,133 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 20:25:28,134 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:25:28,134 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:25:28,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:25:28,134 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:25:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:25:28,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:25:28,135 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:25:28,135 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 20:25:28,135 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 20:25:28,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 20:25:28,136 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 20:25:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:25:28,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:25:28,136 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 20:25:28,137 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 20:25:28,137 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 20:25:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 20:25:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 20:25:28,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-07-10 20:25:28,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 20:25:28,138 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 20:25:28,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 20:25:28,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 20:25:28,138 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 20:25:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 20:25:28,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 20:25:28,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 20:25:28,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 20:25:28,460 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:25:28,460 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|) [2020-07-10 20:25:28,460 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:25:28,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 20:25:28,461 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 20:25:28,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 20:25:28,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 20:25:28,461 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 7 9) no Hoare annotation was computed. [2020-07-10 20:25:28,461 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-10 20:25:28,462 INFO L268 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2020-07-10 20:25:28,462 INFO L268 CegarLoopResult]: For program point L8-3(lines 7 9) no Hoare annotation was computed. [2020-07-10 20:25:28,462 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2020-07-10 20:25:28,462 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,462 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 18 32) the Hoare annotation is: true [2020-07-10 20:25:28,463 INFO L264 CegarLoopResult]: At program point L25-1(lines 25 28) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,463 INFO L264 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,464 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-10 20:25:28,464 INFO L264 CegarLoopResult]: At program point L25-4(line 25) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,464 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 29) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,465 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-10 20:25:28,465 INFO L264 CegarLoopResult]: At program point L25-5(lines 23 29) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,465 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-10 20:25:28,465 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-10 20:25:28,465 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 18 32) the Hoare annotation is: true [2020-07-10 20:25:28,466 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-07-10 20:25:28,466 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 32) the Hoare annotation is: true [2020-07-10 20:25:28,466 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,466 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,467 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-10 20:25:28,467 INFO L264 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 20:25:28,467 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-10 20:25:28,467 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-10 20:25:28,467 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-07-10 20:25:28,468 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 10 15) the Hoare annotation is: true [2020-07-10 20:25:28,468 INFO L264 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-10 20:25:28,468 INFO L264 CegarLoopResult]: At program point L11(lines 11 13) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-10 20:25:28,468 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 10 15) the Hoare annotation is: true [2020-07-10 20:25:28,469 INFO L271 CegarLoopResult]: At program point L11-2(lines 10 15) the Hoare annotation is: true [2020-07-10 20:25:28,469 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-10 20:25:28,475 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 20:25:28,477 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 20:25:28,477 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 20:25:28,478 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-10 20:25:28,478 WARN L170 areAnnotationChecker]: L8-3 has no Hoare annotation [2020-07-10 20:25:28,495 INFO L163 areAnnotationChecker]: CFG has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 20:25:28,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:25:28 BoogieIcfgContainer [2020-07-10 20:25:28,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 20:25:28,511 INFO L168 Benchmark]: Toolchain (without parser) took 2683.96 ms. Allocated memory was 141.6 MB in the beginning and 240.6 MB in the end (delta: 99.1 MB). Free memory was 106.8 MB in the beginning and 213.4 MB in the end (delta: -106.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 20:25:28,511 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 20:25:28,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.74 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 96.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:28,513 INFO L168 Benchmark]: Boogie Preprocessor took 34.49 ms. Allocated memory is still 141.6 MB. Free memory was 96.8 MB in the beginning and 95.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:28,514 INFO L168 Benchmark]: RCFGBuilder took 509.05 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 95.2 MB in the beginning and 164.8 MB in the end (delta: -69.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:28,515 INFO L168 Benchmark]: TraceAbstraction took 1880.08 ms. Allocated memory was 203.9 MB in the beginning and 240.6 MB in the end (delta: 36.7 MB). Free memory was 164.2 MB in the beginning and 215.0 MB in the end (delta: -50.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 20:25:28,519 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 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.74 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 96.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.49 ms. Allocated memory is still 141.6 MB. Free memory was 96.8 MB in the beginning and 95.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 509.05 ms. Allocated memory was 141.6 MB in the beginning and 203.9 MB in the end (delta: 62.4 MB). Free memory was 95.2 MB in the beginning and 164.8 MB in the end (delta: -69.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1880.08 ms. Allocated memory was 203.9 MB in the beginning and 240.6 MB in the end (delta: 36.7 MB). Free memory was 164.2 MB in the beginning and 215.0 MB in the end (delta: -50.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 23]: Loop Invariant Derived loop invariant: 0 <= i && i <= 3 * (i / 3) - ProcedureContractResult [Line: 18]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 51 SDslu, 22 SDs, 0 SdLazy, 56 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 34 LocationsWithAnnotation, 40 PreInvPairs, 48 NumberOfFragments, 137 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 82 FormulaSimplificationTreeSizeReductionInter, 0.1s 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...