/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 0.1.25-267fbe0 [2020-07-17 22:52:21,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:52:21,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:52:21,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:52:21,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:52:21,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:52:21,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:52:21,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:52:21,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:52:21,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:52:21,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:52:21,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:52:21,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:52:21,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:52:21,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:52:21,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:52:21,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:52:21,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:52:21,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:52:21,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:52:21,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:52:21,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:52:21,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:52:21,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:52:21,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:52:21,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:52:21,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:52:21,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:52:21,575 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 [2020-07-17 22:52:21,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:52:21,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:52:21,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:52:21,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:52:21,592 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:52:21,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:52:21,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:52:21,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:52:21,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:52:21,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:52:21,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:52:21,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:52:21,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:52:21,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:52:21,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:52:21,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:52:21,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:52:21,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:52:21,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:52:21,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:52:21,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:52:21,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:52:21,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:52:21,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:52:21,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:52:21,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:52:21,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:52:21,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:52:21,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:52:21,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:52:21,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:52:21,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:52:21,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:52:21,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:52:21,929 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:52:21,930 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-17 22:52:22,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebabbb5d/037a2648c2e54e07ac41739be2ecc13f/FLAG0eca158f7 [2020-07-17 22:52:22,532 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:52:22,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-17 22:52:22,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebabbb5d/037a2648c2e54e07ac41739be2ecc13f/FLAG0eca158f7 [2020-07-17 22:52:22,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebabbb5d/037a2648c2e54e07ac41739be2ecc13f [2020-07-17 22:52:22,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:52:22,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:52:22,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:52:22,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:52:22,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:52:22,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:52:22" (1/1) ... [2020-07-17 22:52:22,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41be3f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:22, skipping insertion in model container [2020-07-17 22:52:22,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:52:22" (1/1) ... [2020-07-17 22:52:22,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:52:22,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:52:23,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:52:23,122 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:52:23,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:52:23,163 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:52:23,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23 WrapperNode [2020-07-17 22:52:23,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:52:23,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:52:23,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:52:23,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:52:23,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (1/1) ... [2020-07-17 22:52:23,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:52:23,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:52:23,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:52:23,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:52:23,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (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 [2020-07-17 22:52:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:52:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:52:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 22:52:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:52:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:52:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:52:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:52:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 22:52:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 22:52:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:52:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:52:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:52:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:52:23,653 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:52:23,653 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 22:52:23,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:52:23 BoogieIcfgContainer [2020-07-17 22:52:23,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:52:23,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:52:23,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:52:23,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:52:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:52:22" (1/3) ... [2020-07-17 22:52:23,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:52:23, skipping insertion in model container [2020-07-17 22:52:23,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:52:23" (2/3) ... [2020-07-17 22:52:23,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:52:23, skipping insertion in model container [2020-07-17 22:52:23,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:52:23" (3/3) ... [2020-07-17 22:52:23,684 INFO L109 eAbstractionObserver]: Analyzing ICFG loopv1.c [2020-07-17 22:52:23,709 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:52:23,721 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:52:23,741 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:52:23,769 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:52:23,769 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:52:23,769 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:52:23,770 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:52:23,771 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:52:23,771 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:52:23,771 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:52:23,771 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:52:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-07-17 22:52:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-17 22:52:23,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:52:23,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:52:23,804 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:52:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:52:23,811 INFO L82 PathProgramCache]: Analyzing trace with hash -712399266, now seen corresponding path program 1 times [2020-07-17 22:52:23,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:52:23,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336900884] [2020-07-17 22:52:23,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:52:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:52:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:52:24,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {29#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {24#true} is VALID [2020-07-17 22:52:24,038 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-17 22:52:24,039 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #51#return; {24#true} is VALID [2020-07-17 22:52:24,041 INFO L263 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {29#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-17 22:52:24,042 INFO L280 TraceCheckUtils]: 1: Hoare triple {29#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {24#true} is VALID [2020-07-17 22:52:24,043 INFO L280 TraceCheckUtils]: 2: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-17 22:52:24,043 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {24#true} {24#true} #51#return; {24#true} is VALID [2020-07-17 22:52:24,044 INFO L263 TraceCheckUtils]: 4: Hoare triple {24#true} call #t~ret2 := main(); {24#true} is VALID [2020-07-17 22:52:24,044 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 [2020-07-17 22:52:24,046 INFO L280 TraceCheckUtils]: 6: Hoare triple {24#true} assume !!(~n~0 <= ~SIZE~0);~i~0 := 0;~j~0 := 0; {24#true} is VALID [2020-07-17 22:52:24,047 INFO L280 TraceCheckUtils]: 7: Hoare triple {24#true} assume !true; {25#false} is VALID [2020-07-17 22:52:24,048 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 [2020-07-17 22:52:24,048 INFO L280 TraceCheckUtils]: 9: Hoare triple {25#false} ~cond := #in~cond; {25#false} is VALID [2020-07-17 22:52:24,049 INFO L280 TraceCheckUtils]: 10: Hoare triple {25#false} assume 0 == ~cond; {25#false} is VALID [2020-07-17 22:52:24,049 INFO L280 TraceCheckUtils]: 11: Hoare triple {25#false} assume !false; {25#false} is VALID [2020-07-17 22:52:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:52:24,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336900884] [2020-07-17 22:52:24,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:52:24,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 22:52:24,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917807656] [2020-07-17 22:52:24,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-17 22:52:24,066 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:52:24,069 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 22:52:24,105 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:52:24,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 22:52:24,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:52:24,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 22:52:24,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 22:52:24,122 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-07-17 22:52:24,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:52:24,263 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-07-17 22:52:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 22:52:24,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-17 22:52:24,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:52:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:52:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-17 22:52:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 22:52:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-17 22:52:24,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 38 transitions. [2020-07-17 22:52:24,380 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:52:24,406 INFO L225 Difference]: With dead ends: 33 [2020-07-17 22:52:24,407 INFO L226 Difference]: Without dead ends: 14 [2020-07-17 22:52:24,414 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 [2020-07-17 22:52:24,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-07-17 22:52:24,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-07-17 22:52:24,484 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:52:24,484 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 14 states. [2020-07-17 22:52:24,485 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2020-07-17 22:52:24,485 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2020-07-17 22:52:24,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:52:24,493 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-17 22:52:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-17 22:52:24,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:52:24,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:52:24,496 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2020-07-17 22:52:24,497 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2020-07-17 22:52:24,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:52:24,504 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-17 22:52:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-17 22:52:24,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:52:24,505 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:52:24,506 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:52:24,506 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:52:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-17 22:52:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-07-17 22:52:24,514 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-07-17 22:52:24,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:52:24,515 INFO L479 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-07-17 22:52:24,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 22:52:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-17 22:52:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-17 22:52:24,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:52:24,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:52:24,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:52:24,520 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:52:24,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:52:24,522 INFO L82 PathProgramCache]: Analyzing trace with hash -721634476, now seen corresponding path program 1 times [2020-07-17 22:52:24,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:52:24,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138284870] [2020-07-17 22:52:24,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:52:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:52:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:52:24,740 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {123#true} is VALID [2020-07-17 22:52:24,741 INFO L280 TraceCheckUtils]: 1: Hoare triple {123#true} assume true; {123#true} is VALID [2020-07-17 22:52:24,742 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {123#true} {123#true} #51#return; {123#true} is VALID [2020-07-17 22:52:24,744 INFO L263 TraceCheckUtils]: 0: Hoare triple {123#true} call ULTIMATE.init(); {131#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-17 22:52:24,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {123#true} is VALID [2020-07-17 22:52:24,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {123#true} assume true; {123#true} is VALID [2020-07-17 22:52:24,746 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {123#true} {123#true} #51#return; {123#true} is VALID [2020-07-17 22:52:24,746 INFO L263 TraceCheckUtils]: 4: Hoare triple {123#true} call #t~ret2 := main(); {123#true} is VALID [2020-07-17 22:52:24,746 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 [2020-07-17 22:52:24,748 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 [2020-07-17 22:52:24,749 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 [2020-07-17 22:52:24,751 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 [2020-07-17 22:52:24,752 INFO L280 TraceCheckUtils]: 9: Hoare triple {129#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {130#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-17 22:52:24,753 INFO L280 TraceCheckUtils]: 10: Hoare triple {130#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {124#false} is VALID [2020-07-17 22:52:24,753 INFO L280 TraceCheckUtils]: 11: Hoare triple {124#false} assume !false; {124#false} is VALID [2020-07-17 22:52:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:52:24,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138284870] [2020-07-17 22:52:24,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:52:24,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:52:24,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671243402] [2020-07-17 22:52:24,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-17 22:52:24,759 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:52:24,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:52:24,782 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:52:24,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:52:24,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:52:24,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:52:24,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:52:24,784 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 6 states. [2020-07-17 22:52:25,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:52:25,045 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-17 22:52:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:52:25,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-17 22:52:25,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:52:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:52:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-07-17 22:52:25,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:52:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-07-17 22:52:25,051 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 15 transitions. [2020-07-17 22:52:25,076 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:52:25,077 INFO L225 Difference]: With dead ends: 14 [2020-07-17 22:52:25,077 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 22:52:25,078 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 [2020-07-17 22:52:25,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 22:52:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 22:52:25,079 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:52:25,079 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-17 22:52:25,080 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:52:25,080 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:52:25,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:52:25,081 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:52:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:52:25,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:52:25,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:52:25,082 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:52:25,082 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:52:25,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:52:25,083 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:52:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:52:25,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:52:25,083 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:52:25,084 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:52:25,084 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:52:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 22:52:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 22:52:25,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-07-17 22:52:25,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:52:25,085 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 22:52:25,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:52:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:52:25,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:52:25,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:52:25,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 22:52:25,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:52:25,203 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|) [2020-07-17 22:52:25,203 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:52:25,203 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:52:25,204 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 22:52:25,204 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 22:52:25,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:52:25,204 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 7 9) no Hoare annotation was computed. [2020-07-17 22:52:25,204 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-17 22:52:25,205 INFO L268 CegarLoopResult]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2020-07-17 22:52:25,205 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2020-07-17 22:52:25,205 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-17 22:52:25,205 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 32) the Hoare annotation is: true [2020-07-17 22:52:25,205 INFO L268 CegarLoopResult]: For program point L25(lines 25 28) no Hoare annotation was computed. [2020-07-17 22:52:25,205 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 18 32) no Hoare annotation was computed. [2020-07-17 22:52:25,206 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)))) [2020-07-17 22:52:25,206 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-07-17 22:52:25,207 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)))) [2020-07-17 22:52:25,207 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 18 32) no Hoare annotation was computed. [2020-07-17 22:52:25,207 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 10 15) the Hoare annotation is: true [2020-07-17 22:52:25,207 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-07-17 22:52:25,208 INFO L268 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed. [2020-07-17 22:52:25,208 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 10 15) no Hoare annotation was computed. [2020-07-17 22:52:25,208 INFO L268 CegarLoopResult]: For program point L11-2(lines 10 15) no Hoare annotation was computed. [2020-07-17 22:52:25,208 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-07-17 22:52:25,217 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:52:25,218 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-17 22:52:25,218 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:52:25,219 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:52:25,219 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:52:25,219 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:52:25,219 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:52:25,219 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:52:25,220 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:52:25,220 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:52:25,220 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:52:25,220 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-17 22:52:25,220 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:52:25,220 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:52:25,221 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-17 22:52:25,221 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:52:25,223 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:52:25,224 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-17 22:52:25,224 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-17 22:52:25,224 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-17 22:52:25,225 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:52:25,225 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-17 22:52:25,225 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:52:25,225 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:52:25,226 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:52:25,226 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-17 22:52:25,226 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. [2020-07-17 22:52:25,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:52:25 BoogieIcfgContainer [2020-07-17 22:52:25,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:52:25,253 INFO L168 Benchmark]: Toolchain (without parser) took 2359.80 ms. Allocated memory was 134.7 MB in the beginning and 224.9 MB in the end (delta: 90.2 MB). Free memory was 100.0 MB in the beginning and 173.8 MB in the end (delta: -73.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:52:25,255 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 134.7 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:52:25,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.02 ms. Allocated memory is still 134.7 MB. Free memory was 99.6 MB in the beginning and 89.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:52:25,257 INFO L168 Benchmark]: Boogie Preprocessor took 126.15 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 89.5 MB in the beginning and 179.8 MB in the end (delta: -90.4 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:52:25,259 INFO L168 Benchmark]: RCFGBuilder took 365.44 ms. Allocated memory is still 199.8 MB. Free memory was 178.4 MB in the beginning and 161.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:52:25,260 INFO L168 Benchmark]: TraceAbstraction took 1586.46 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 161.0 MB in the beginning and 173.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:52:25,265 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 0.49 ms. Allocated memory is still 134.7 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.02 ms. Allocated memory is still 134.7 MB. Free memory was 99.6 MB in the beginning and 89.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.15 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 89.5 MB in the beginning and 179.8 MB in the end (delta: -90.4 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.44 ms. Allocated memory is still 199.8 MB. Free memory was 178.4 MB in the beginning and 161.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1586.46 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 161.0 MB in the beginning and 173.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 12.4 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 21 SDslu, 22 SDs, 0 SdLazy, 26 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s 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...