/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 0.1.25-46f3038-m [2020-07-08 12:47:50,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:47:50,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:47:50,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:47:50,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:47:50,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:47:50,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:47:50,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:47:50,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:47:50,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:47:50,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:47:50,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:47:50,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:47:50,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:47:50,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:47:50,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:47:50,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:47:50,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:47:50,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:47:50,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:47:50,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:47:50,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:47:50,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:47:50,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:47:50,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:47:50,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:47:50,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:47:50,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:47:50,813 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 [2020-07-08 12:47:50,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:47:50,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:47:50,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:47:50,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:47:50,830 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:47:50,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:47:50,831 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:47:50,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:47:50,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:47:50,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:47:50,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:47:50,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:47:50,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:47:50,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:47:50,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:47:50,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:47:50,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:47:50,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:47:50,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:47:50,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:47:50,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:47:50,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:47:50,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:47:50,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:47:50,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:47:50,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:47:50,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:47:50,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:47:50,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:47:50,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:47:51,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:47:51,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:47:51,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:47:51,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:47:51,168 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:47:51,169 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-08 12:47:51,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137da959f/622e0fc613c04459853cd88389b8237f/FLAG39346d525 [2020-07-08 12:47:51,776 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:47:51,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv1.c [2020-07-08 12:47:51,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137da959f/622e0fc613c04459853cd88389b8237f/FLAG39346d525 [2020-07-08 12:47:52,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/137da959f/622e0fc613c04459853cd88389b8237f [2020-07-08 12:47:52,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:47:52,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:47:52,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:47:52,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:47:52,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:47:52,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3cceb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52, skipping insertion in model container [2020-07-08 12:47:52,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:47:52,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:47:52,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:47:52,372 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:47:52,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:47:52,409 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:47:52,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52 WrapperNode [2020-07-08 12:47:52,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:47:52,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:47:52,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:47:52,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:47:52,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (1/1) ... [2020-07-08 12:47:52,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:47:52,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:47:52,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:47:52,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:47:52,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (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 [2020-07-08 12:47:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:47:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:47:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 12:47:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 12:47:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:47:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 12:47:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:47:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 12:47:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 12:47:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 12:47:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:47:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:47:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:47:53,019 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:47:53,019 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 12:47:53,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:47:53 BoogieIcfgContainer [2020-07-08 12:47:53,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:47:53,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:47:53,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:47:53,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:47:53,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:47:52" (1/3) ... [2020-07-08 12:47:53,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75147a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:47:53, skipping insertion in model container [2020-07-08 12:47:53,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:52" (2/3) ... [2020-07-08 12:47:53,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75147a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:47:53, skipping insertion in model container [2020-07-08 12:47:53,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:47:53" (3/3) ... [2020-07-08 12:47:53,034 INFO L109 eAbstractionObserver]: Analyzing ICFG loopv1.c [2020-07-08 12:47:53,044 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:47:53,052 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:47:53,068 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:47:53,094 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:47:53,095 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:47:53,095 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:47:53,095 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:47:53,095 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:47:53,096 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:47:53,096 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:47:53,096 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:47:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-07-08 12:47:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-08 12:47:53,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:53,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:47:53,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:53,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:53,133 INFO L82 PathProgramCache]: Analyzing trace with hash -712399266, now seen corresponding path program 1 times [2020-07-08 12:47:53,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:53,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814331208] [2020-07-08 12:47:53,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:53,324 INFO L280 TraceCheckUtils]: 0: Hoare triple {29#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {24#true} is VALID [2020-07-08 12:47:53,325 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-08 12:47:53,327 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #51#return; {24#true} is VALID [2020-07-08 12:47:53,331 INFO L263 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {29#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-08 12:47:53,332 INFO L280 TraceCheckUtils]: 1: Hoare triple {29#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {24#true} is VALID [2020-07-08 12:47:53,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {24#true} assume true; {24#true} is VALID [2020-07-08 12:47:53,333 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {24#true} {24#true} #51#return; {24#true} is VALID [2020-07-08 12:47:53,333 INFO L263 TraceCheckUtils]: 4: Hoare triple {24#true} call #t~ret2 := main(); {24#true} is VALID [2020-07-08 12:47:53,334 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 [2020-07-08 12:47:53,334 INFO L280 TraceCheckUtils]: 6: Hoare triple {24#true} assume !!(~n~0 <= ~SIZE~0);~i~0 := 0;~j~0 := 0; {24#true} is VALID [2020-07-08 12:47:53,336 INFO L280 TraceCheckUtils]: 7: Hoare triple {24#true} assume !true; {25#false} is VALID [2020-07-08 12:47:53,337 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 [2020-07-08 12:47:53,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {25#false} ~cond := #in~cond; {25#false} is VALID [2020-07-08 12:47:53,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {25#false} assume 0 == ~cond; {25#false} is VALID [2020-07-08 12:47:53,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {25#false} assume !false; {25#false} is VALID [2020-07-08 12:47:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:53,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814331208] [2020-07-08 12:47:53,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:53,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 12:47:53,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662391270] [2020-07-08 12:47:53,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-08 12:47:53,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:53,364 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 12:47:53,410 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:53,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 12:47:53,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:53,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 12:47:53,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 12:47:53,422 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-07-08 12:47:53,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:53,582 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2020-07-08 12:47:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 12:47:53,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-07-08 12:47:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 12:47:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-08 12:47:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 12:47:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2020-07-08 12:47:53,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 38 transitions. [2020-07-08 12:47:53,682 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:53,694 INFO L225 Difference]: With dead ends: 33 [2020-07-08 12:47:53,695 INFO L226 Difference]: Without dead ends: 14 [2020-07-08 12:47:53,700 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 [2020-07-08 12:47:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-07-08 12:47:53,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-07-08 12:47:53,752 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:53,753 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 14 states. [2020-07-08 12:47:53,753 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2020-07-08 12:47:53,754 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2020-07-08 12:47:53,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:53,758 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-08 12:47:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-08 12:47:53,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:53,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:53,760 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2020-07-08 12:47:53,760 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2020-07-08 12:47:53,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:53,764 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-08 12:47:53,764 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-08 12:47:53,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:53,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:53,765 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:53,765 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 12:47:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-07-08 12:47:53,769 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-07-08 12:47:53,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:53,770 INFO L479 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-07-08 12:47:53,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 12:47:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-07-08 12:47:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-08 12:47:53,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:53,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:47:53,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:47:53,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:53,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:53,773 INFO L82 PathProgramCache]: Analyzing trace with hash -721634476, now seen corresponding path program 1 times [2020-07-08 12:47:53,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:53,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354552652] [2020-07-08 12:47:53,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:53,999 INFO L280 TraceCheckUtils]: 0: Hoare triple {131#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {123#true} is VALID [2020-07-08 12:47:53,999 INFO L280 TraceCheckUtils]: 1: Hoare triple {123#true} assume true; {123#true} is VALID [2020-07-08 12:47:54,000 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {123#true} {123#true} #51#return; {123#true} is VALID [2020-07-08 12:47:54,001 INFO L263 TraceCheckUtils]: 0: Hoare triple {123#true} call ULTIMATE.init(); {131#(= ~SIZE~0 |old(~SIZE~0)|)} is VALID [2020-07-08 12:47:54,002 INFO L280 TraceCheckUtils]: 1: Hoare triple {131#(= ~SIZE~0 |old(~SIZE~0)|)} ~SIZE~0 := 50000001; {123#true} is VALID [2020-07-08 12:47:54,002 INFO L280 TraceCheckUtils]: 2: Hoare triple {123#true} assume true; {123#true} is VALID [2020-07-08 12:47:54,002 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {123#true} {123#true} #51#return; {123#true} is VALID [2020-07-08 12:47:54,003 INFO L263 TraceCheckUtils]: 4: Hoare triple {123#true} call #t~ret2 := main(); {123#true} is VALID [2020-07-08 12:47:54,003 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 [2020-07-08 12:47:54,005 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 [2020-07-08 12:47:54,007 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 [2020-07-08 12:47:54,009 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 [2020-07-08 12:47:54,010 INFO L280 TraceCheckUtils]: 9: Hoare triple {129#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {130#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 12:47:54,012 INFO L280 TraceCheckUtils]: 10: Hoare triple {130#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {124#false} is VALID [2020-07-08 12:47:54,012 INFO L280 TraceCheckUtils]: 11: Hoare triple {124#false} assume !false; {124#false} is VALID [2020-07-08 12:47:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:47:54,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354552652] [2020-07-08 12:47:54,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:47:54,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 12:47:54,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624304377] [2020-07-08 12:47:54,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-08 12:47:54,019 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:47:54,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 12:47:54,041 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:54,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 12:47:54,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:47:54,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 12:47:54,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 12:47:54,043 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 6 states. [2020-07-08 12:47:54,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:54,252 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-07-08 12:47:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 12:47:54,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-07-08 12:47:54,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:47:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-07-08 12:47:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 12:47:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-07-08 12:47:54,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 15 transitions. [2020-07-08 12:47:54,286 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:47:54,286 INFO L225 Difference]: With dead ends: 14 [2020-07-08 12:47:54,287 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 12:47:54,288 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 [2020-07-08 12:47:54,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 12:47:54,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 12:47:54,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:47:54,289 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:54,290 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:54,290 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:54,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:54,291 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:47:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:47:54,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:54,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:54,291 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:54,292 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:47:54,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:47:54,292 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:47:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:47:54,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:54,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:47:54,293 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:47:54,293 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:47:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 12:47:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 12:47:54,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-07-08 12:47:54,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:47:54,294 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 12:47:54,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 12:47:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:47:54,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:47:54,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 12:47:54,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 12:47:54,367 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:47:54,367 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|) [2020-07-08 12:47:54,367 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:47:54,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:47:54,368 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 12:47:54,368 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 12:47:54,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:47:54,368 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 7 9) no Hoare annotation was computed. [2020-07-08 12:47:54,368 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-08 12:47:54,369 INFO L268 CegarLoopResult]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2020-07-08 12:47:54,369 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2020-07-08 12:47:54,369 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-07-08 12:47:54,369 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 32) the Hoare annotation is: true [2020-07-08 12:47:54,369 INFO L268 CegarLoopResult]: For program point L25(lines 25 28) no Hoare annotation was computed. [2020-07-08 12:47:54,369 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 18 32) no Hoare annotation was computed. [2020-07-08 12:47:54,370 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)))) [2020-07-08 12:47:54,370 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-07-08 12:47:54,370 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)))) [2020-07-08 12:47:54,370 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 18 32) no Hoare annotation was computed. [2020-07-08 12:47:54,370 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 10 15) the Hoare annotation is: true [2020-07-08 12:47:54,371 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-07-08 12:47:54,371 INFO L268 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed. [2020-07-08 12:47:54,371 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 10 15) no Hoare annotation was computed. [2020-07-08 12:47:54,371 INFO L268 CegarLoopResult]: For program point L11-2(lines 10 15) no Hoare annotation was computed. [2020-07-08 12:47:54,371 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-07-08 12:47:54,377 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:47:54,379 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 12:47:54,379 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 12:47:54,379 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 12:47:54,379 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:47:54,379 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:47:54,380 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 12:47:54,380 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 12:47:54,380 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 12:47:54,380 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-08 12:47:54,380 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 12:47:54,380 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 12:47:54,381 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:47:54,381 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:47:54,381 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-08 12:47:54,381 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:47:54,383 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:47:54,384 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-08 12:47:54,384 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-08 12:47:54,384 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2020-07-08 12:47:54,384 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:47:54,384 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 12:47:54,384 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:47:54,385 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:47:54,385 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 12:47:54,385 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 12:47:54,385 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. [2020-07-08 12:47:54,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:47:54 BoogieIcfgContainer [2020-07-08 12:47:54,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:47:54,403 INFO L168 Benchmark]: Toolchain (without parser) took 2250.17 ms. Allocated memory was 142.1 MB in the beginning and 227.0 MB in the end (delta: 84.9 MB). Free memory was 100.2 MB in the beginning and 170.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:54,404 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 12:47:54,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.23 ms. Allocated memory is still 142.1 MB. Free memory was 99.8 MB in the beginning and 89.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:54,406 INFO L168 Benchmark]: Boogie Preprocessor took 145.36 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 89.7 MB in the beginning and 177.8 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:54,407 INFO L168 Benchmark]: RCFGBuilder took 467.84 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 161.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:54,409 INFO L168 Benchmark]: TraceAbstraction took 1373.19 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 161.1 MB in the beginning and 170.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:54,413 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 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.23 ms. Allocated memory is still 142.1 MB. Free memory was 99.8 MB in the beginning and 89.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.36 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 89.7 MB in the beginning and 177.8 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 467.84 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 161.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1373.19 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 161.1 MB in the beginning and 170.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 17.9 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...