/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 15:29:38,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 15:29:38,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 15:29:38,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 15:29:38,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 15:29:38,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 15:29:38,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 15:29:38,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 15:29:38,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 15:29:38,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 15:29:38,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 15:29:38,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 15:29:38,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 15:29:38,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 15:29:38,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 15:29:38,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 15:29:38,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 15:29:38,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 15:29:38,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 15:29:38,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 15:29:38,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 15:29:38,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 15:29:38,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 15:29:38,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 15:29:38,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 15:29:38,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 15:29:38,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 15:29:38,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 15:29:38,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 15:29:38,400 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 15:29:38,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 15:29:38,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 15:29:38,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 15:29:38,403 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 15:29:38,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 15:29:38,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 15:29:38,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 15:29:38,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 15:29:38,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 15:29:38,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 15:29:38,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 15:29:38,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 15:29:38,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 15:29:38,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 15:29:38,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 15:29:38,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 15:29:38,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 15:29:38,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 15:29:38,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 15:29:38,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 15:29:38,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:29:38,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 15:29:38,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 15:29:38,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 15:29:38,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 15:29:38,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 15:29:38,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 15:29:38,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 15:29:38,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 15:29:38,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 15:29:38,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 15:29:38,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 15:29:38,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 15:29:38,722 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 15:29:38,723 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-10 15:29:38,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ed3276f/84e75d3473e3406a882413ee60f16876/FLAGb415488f5 [2020-07-10 15:29:39,403 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 15:29:39,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-10 15:29:39,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ed3276f/84e75d3473e3406a882413ee60f16876/FLAGb415488f5 [2020-07-10 15:29:39,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ed3276f/84e75d3473e3406a882413ee60f16876 [2020-07-10 15:29:39,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 15:29:39,766 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 15:29:39,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 15:29:39,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 15:29:39,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 15:29:39,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:29:39" (1/1) ... [2020-07-10 15:29:39,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbf2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:39, skipping insertion in model container [2020-07-10 15:29:39,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:29:39" (1/1) ... [2020-07-10 15:29:39,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 15:29:39,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 15:29:40,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:29:40,021 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 15:29:40,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:29:40,060 INFO L208 MainTranslator]: Completed translation [2020-07-10 15:29:40,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40 WrapperNode [2020-07-10 15:29:40,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 15:29:40,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 15:29:40,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 15:29:40,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 15:29:40,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... [2020-07-10 15:29:40,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 15:29:40,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 15:29:40,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 15:29:40,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 15:29:40,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:29:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 15:29:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 15:29:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 15:29:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 15:29:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 15:29:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 15:29:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 15:29:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 15:29:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 15:29:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 15:29:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 15:29:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 15:29:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 15:29:40,617 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 15:29:40,618 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 15:29:40,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:29:40 BoogieIcfgContainer [2020-07-10 15:29:40,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 15:29:40,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 15:29:40,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 15:29:40,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 15:29:40,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:29:39" (1/3) ... [2020-07-10 15:29:40,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474aa534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:29:40, skipping insertion in model container [2020-07-10 15:29:40,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:29:40" (2/3) ... [2020-07-10 15:29:40,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474aa534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:29:40, skipping insertion in model container [2020-07-10 15:29:40,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:29:40" (3/3) ... [2020-07-10 15:29:40,637 INFO L109 eAbstractionObserver]: Analyzing ICFG loopv1.c [2020-07-10 15:29:40,653 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 15:29:40,663 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 15:29:40,686 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 15:29:40,726 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 15:29:40,734 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 15:29:40,735 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 15:29:40,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 15:29:40,735 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 15:29:40,735 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 15:29:40,735 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 15:29:40,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 15:29:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-07-10 15:29:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-10 15:29:40,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:29:40,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:29:40,769 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:29:40,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:29:40,776 INFO L82 PathProgramCache]: Analyzing trace with hash -712399266, now seen corresponding path program 1 times [2020-07-10 15:29:40,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:29:40,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53947480] [2020-07-10 15:29:40,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:29:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:40,988 INFO L280 TraceCheckUtils]: 0: Hoare triple {29#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {24#true} is VALID [2020-07-10 15:29:40,989 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-10 15:29:40,990 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #51#return; {24#true} is VALID [2020-07-10 15:29:40,994 INFO L263 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {29#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-10 15:29:40,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {29#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {24#true} is VALID [2020-07-10 15:29:40,995 INFO L280 TraceCheckUtils]: 2: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-10 15:29:40,995 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {24#true} {24#true} #51#return; {24#true} is VALID [2020-07-10 15:29:40,996 INFO L263 TraceCheckUtils]: 4: Hoare triple {24#true} call #t~ret2 := main(); {24#true} is VALID [2020-07-10 15:29:40,996 INFO L280 TraceCheckUtils]: 5: Hoare triple {24#true} havoc ~n~0;havoc ~i~0;havoc ~j~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~n~0 := #t~nondet0;havoc #t~nondet0; {24#true} is VALID [2020-07-10 15:29:40,997 INFO L280 TraceCheckUtils]: 6: Hoare triple {24#true} assume !!(~n~0 <= ~SIZE~0);~i~0 := 0;~j~0 := 0; {24#true} is VALID [2020-07-10 15:29:40,998 INFO L280 TraceCheckUtils]: 7: Hoare triple {24#true} assume !true; {25#false} is VALID [2020-07-10 15:29:40,999 INFO L263 TraceCheckUtils]: 8: Hoare triple {25#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)); {25#false} is VALID [2020-07-10 15:29:40,999 INFO L280 TraceCheckUtils]: 9: Hoare triple {25#false} ~cond := #in~cond; {25#false} is VALID [2020-07-10 15:29:41,000 INFO L280 TraceCheckUtils]: 10: Hoare triple {25#false} assume 0 == ~cond; {25#false} is VALID [2020-07-10 15:29:41,000 INFO L280 TraceCheckUtils]: 11: Hoare triple {25#false} assume !false; {25#false} is VALID [2020-07-10 15:29:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:29:41,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53947480] [2020-07-10 15:29:41,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:29:41,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 15:29:41,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558076119] [2020-07-10 15:29:41,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-10 15:29:41,016 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:29:41,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 15:29:41,055 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:29:41,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 15:29:41,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:29:41,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 15:29:41,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 15:29:41,068 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-07-10 15:29:41,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:41,219 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-07-10 15:29:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 15:29:41,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-10 15:29:41,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:29:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 15:29:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-10 15:29:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 15:29:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-10 15:29:41,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 38 transitions. [2020-07-10 15:29:41,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:29:41,341 INFO L225 Difference]: With dead ends: 33 [2020-07-10 15:29:41,342 INFO L226 Difference]: Without dead ends: 14 [2020-07-10 15:29:41,346 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 15:29:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-07-10 15:29:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-07-10 15:29:41,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:29:41,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 14 states. [2020-07-10 15:29:41,403 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2020-07-10 15:29:41,403 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2020-07-10 15:29:41,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:41,408 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-10 15:29:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-10 15:29:41,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:41,409 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:29:41,410 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2020-07-10 15:29:41,410 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2020-07-10 15:29:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:41,415 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-10 15:29:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-10 15:29:41,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:41,417 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:29:41,417 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:29:41,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:29:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-10 15:29:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-07-10 15:29:41,424 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-07-10 15:29:41,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:29:41,425 INFO L479 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-07-10 15:29:41,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 15:29:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-10 15:29:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-10 15:29:41,426 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:29:41,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:29:41,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 15:29:41,427 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:29:41,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:29:41,428 INFO L82 PathProgramCache]: Analyzing trace with hash -721634476, now seen corresponding path program 1 times [2020-07-10 15:29:41,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:29:41,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041257073] [2020-07-10 15:29:41,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:29:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 15:29:41,669 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {123#true} is VALID [2020-07-10 15:29:41,670 INFO L280 TraceCheckUtils]: 1: Hoare triple {123#true} assume true; {123#true} is VALID [2020-07-10 15:29:41,671 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {123#true} {123#true} #51#return; {123#true} is VALID [2020-07-10 15:29:41,672 INFO L263 TraceCheckUtils]: 0: Hoare triple {123#true} call ULTIMATE.init(); {131#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-10 15:29:41,672 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {123#true} is VALID [2020-07-10 15:29:41,673 INFO L280 TraceCheckUtils]: 2: Hoare triple {123#true} assume true; {123#true} is VALID [2020-07-10 15:29:41,673 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {123#true} {123#true} #51#return; {123#true} is VALID [2020-07-10 15:29:41,674 INFO L263 TraceCheckUtils]: 4: Hoare triple {123#true} call #t~ret2 := main(); {123#true} is VALID [2020-07-10 15:29:41,674 INFO L280 TraceCheckUtils]: 5: Hoare triple {123#true} havoc ~n~0;havoc ~i~0;havoc ~j~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~n~0 := #t~nondet0;havoc #t~nondet0; {123#true} is VALID [2020-07-10 15:29:41,676 INFO L280 TraceCheckUtils]: 6: Hoare triple {123#true} assume !!(~n~0 <= ~SIZE~0);~i~0 := 0;~j~0 := 0; {128#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} is VALID [2020-07-10 15:29:41,677 INFO L280 TraceCheckUtils]: 7: Hoare triple {128#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} assume !(~i~0 < ~n~0); {128#(and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3))))} is VALID [2020-07-10 15:29:41,679 INFO L263 TraceCheckUtils]: 8: Hoare triple {128#(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)); {129#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-10 15:29:41,681 INFO L280 TraceCheckUtils]: 9: Hoare triple {129#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {130#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-10 15:29:41,689 INFO L280 TraceCheckUtils]: 10: Hoare triple {130#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {124#false} is VALID [2020-07-10 15:29:41,689 INFO L280 TraceCheckUtils]: 11: Hoare triple {124#false} assume !false; {124#false} is VALID [2020-07-10 15:29:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 15:29:41,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041257073] [2020-07-10 15:29:41,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 15:29:41,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 15:29:41,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513244768] [2020-07-10 15:29:41,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-10 15:29:41,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 15:29:41,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 15:29:41,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:29:41,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 15:29:41,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 15:29:41,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 15:29:41,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-10 15:29:41,718 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 6 states. [2020-07-10 15:29:41,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:41,929 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-10 15:29:41,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 15:29:41,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-10 15:29:41,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 15:29:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 15:29:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-07-10 15:29:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 15:29:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-07-10 15:29:41,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 15 transitions. [2020-07-10 15:29:41,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 15:29:41,966 INFO L225 Difference]: With dead ends: 14 [2020-07-10 15:29:41,966 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 15:29:41,968 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 15:29:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 15:29:41,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 15:29:41,969 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 15:29:41,969 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 15:29:41,969 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 15:29:41,969 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 15:29:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:41,970 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 15:29:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 15:29:41,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:41,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:29:41,970 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 15:29:41,971 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 15:29:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 15:29:41,971 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 15:29:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 15:29:41,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:41,972 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 15:29:41,972 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 15:29:41,972 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 15:29:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 15:29:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 15:29:41,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-07-10 15:29:41,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 15:29:41,973 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 15:29:41,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 15:29:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 15:29:41,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 15:29:41,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 15:29:41,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 15:29:42,049 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-10 15:29:42,050 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|) [2020-07-10 15:29:42,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-10 15:29:42,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-10 15:29:42,051 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 15:29:42,051 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 15:29:42,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-10 15:29:42,052 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 7 9) no Hoare annotation was computed. [2020-07-10 15:29:42,052 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-10 15:29:42,052 INFO L268 CegarLoopResult]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2020-07-10 15:29:42,052 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2020-07-10 15:29:42,052 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-10 15:29:42,052 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 32) the Hoare annotation is: true [2020-07-10 15:29:42,053 INFO L268 CegarLoopResult]: For program point L25(lines 25 28) no Hoare annotation was computed. [2020-07-10 15:29:42,053 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 18 32) no Hoare annotation was computed. [2020-07-10 15:29:42,053 INFO L264 CegarLoopResult]: At program point L25-2(lines 23 29) the Hoare annotation is: (and (<= 0 main_~i~0) (<= main_~i~0 (* 3 (div main_~i~0 3)))) [2020-07-10 15:29:42,053 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-07-10 15:29:42,054 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 15:29:42,054 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 18 32) no Hoare annotation was computed. [2020-07-10 15:29:42,054 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 10 15) the Hoare annotation is: true [2020-07-10 15:29:42,054 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-07-10 15:29:42,054 INFO L268 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed. [2020-07-10 15:29:42,054 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 10 15) no Hoare annotation was computed. [2020-07-10 15:29:42,055 INFO L268 CegarLoopResult]: For program point L11-2(lines 10 15) no Hoare annotation was computed. [2020-07-10 15:29:42,055 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-07-10 15:29:42,061 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 15:29:42,063 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 15:29:42,063 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 15:29:42,063 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 15:29:42,063 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 15:29:42,063 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 15:29:42,064 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 15:29:42,064 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-10 15:29:42,064 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 15:29:42,064 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 15:29:42,065 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 15:29:42,065 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 15:29:42,065 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 15:29:42,065 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 15:29:42,065 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-10 15:29:42,065 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 15:29:42,068 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 15:29:42,068 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 15:29:42,068 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 15:29:42,068 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-10 15:29:42,069 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 15:29:42,069 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 15:29:42,069 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 15:29:42,069 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 15:29:42,069 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 15:29:42,069 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-10 15:29:42,070 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 15:29:42,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:29:42 BoogieIcfgContainer [2020-07-10 15:29:42,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 15:29:42,090 INFO L168 Benchmark]: Toolchain (without parser) took 2323.30 ms. Allocated memory was 136.8 MB in the beginning and 232.8 MB in the end (delta: 95.9 MB). Free memory was 100.4 MB in the beginning and 177.6 MB in the end (delta: -77.2 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:42,091 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 15:29:42,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.07 ms. Allocated memory is still 136.8 MB. Free memory was 100.2 MB in the beginning and 90.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:42,093 INFO L168 Benchmark]: Boogie Preprocessor took 146.05 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 90.5 MB in the beginning and 182.5 MB in the end (delta: -92.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:42,094 INFO L168 Benchmark]: RCFGBuilder took 415.98 ms. Allocated memory is still 202.4 MB. Free memory was 182.5 MB in the beginning and 165.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:42,095 INFO L168 Benchmark]: TraceAbstraction took 1459.33 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.7 MB in the beginning and 177.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2020-07-10 15:29:42,099 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 0.34 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.07 ms. Allocated memory is still 136.8 MB. Free memory was 100.2 MB in the beginning and 90.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.05 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 90.5 MB in the beginning and 182.5 MB in the end (delta: -92.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.98 ms. Allocated memory is still 202.4 MB. Free memory was 182.5 MB in the beginning and 165.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1459.33 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.7 MB in the beginning and 177.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 17.5 MB. 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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 21 SDslu, 22 SDs, 0 SdLazy, 26 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=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 29 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...