java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 18:33:05,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 18:33:05,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 18:33:05,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 18:33:05,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 18:33:05,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 18:33:05,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 18:33:05,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 18:33:05,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 18:33:05,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 18:33:05,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 18:33:05,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 18:33:05,912 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 18:33:05,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 18:33:05,917 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 18:33:05,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 18:33:05,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 18:33:05,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 18:33:05,923 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 18:33:05,924 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 18:33:05,926 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 18:33:05,927 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 18:33:05,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 18:33:05,945 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf [2018-11-14 18:33:05,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 18:33:05,979 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 18:33:05,980 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 18:33:05,980 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 18:33:05,980 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 18:33:05,981 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 18:33:05,981 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 18:33:05,981 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 18:33:05,981 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 18:33:05,982 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 18:33:05,982 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 18:33:05,982 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 18:33:05,982 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 18:33:05,982 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 18:33:05,983 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 18:33:05,983 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 18:33:05,983 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 18:33:05,983 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 18:33:05,983 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 18:33:05,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 18:33:05,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 18:33:05,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 18:33:05,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 18:33:05,984 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 18:33:05,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 18:33:05,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 18:33:05,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 18:33:05,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 18:33:05,985 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 18:33:05,985 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 18:33:05,986 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 18:33:05,986 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 18:33:05,986 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 18:33:06,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 18:33:06,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 18:33:06,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 18:33:06,071 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 18:33:06,071 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 18:33:06,072 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-14 18:33:06,141 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a1750d4/dfac85d92b0d4cac8061917e73465d91/FLAG321b09606 [2018-11-14 18:33:06,636 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 18:33:06,637 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-14 18:33:06,643 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a1750d4/dfac85d92b0d4cac8061917e73465d91/FLAG321b09606 [2018-11-14 18:33:06,659 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56a1750d4/dfac85d92b0d4cac8061917e73465d91 [2018-11-14 18:33:06,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 18:33:06,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 18:33:06,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 18:33:06,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 18:33:06,678 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 18:33:06,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:06,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736fede5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06, skipping insertion in model container [2018-11-14 18:33:06,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:06,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 18:33:06,715 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 18:33:06,927 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:33:06,933 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 18:33:06,955 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:33:06,978 INFO L195 MainTranslator]: Completed translation [2018-11-14 18:33:06,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06 WrapperNode [2018-11-14 18:33:06,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 18:33:06,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 18:33:06,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 18:33:06,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 18:33:06,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:06,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:07,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:07,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:07,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:07,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:07,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (1/1) ... [2018-11-14 18:33:07,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 18:33:07,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 18:33:07,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 18:33:07,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 18:33:07,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (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 [2018-11-14 18:33:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 18:33:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 18:33:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 18:33:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 18:33:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 18:33:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-14 18:33:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 18:33:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 18:33:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 18:33:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 18:33:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 18:33:07,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 18:33:07,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:33:07 BoogieIcfgContainer [2018-11-14 18:33:07,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 18:33:07,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 18:33:07,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 18:33:07,723 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 18:33:07,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:33:06" (1/3) ... [2018-11-14 18:33:07,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a89fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:33:07, skipping insertion in model container [2018-11-14 18:33:07,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:33:06" (2/3) ... [2018-11-14 18:33:07,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a89fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:33:07, skipping insertion in model container [2018-11-14 18:33:07,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:33:07" (3/3) ... [2018-11-14 18:33:07,727 INFO L112 eAbstractionObserver]: Analyzing ICFG jm2006_variant_true-unreach-call_true-termination.c.i [2018-11-14 18:33:07,738 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 18:33:07,747 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 18:33:07,765 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 18:33:07,800 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 18:33:07,801 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 18:33:07,801 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 18:33:07,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 18:33:07,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 18:33:07,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 18:33:07,802 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 18:33:07,802 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 18:33:07,802 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 18:33:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-14 18:33:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 18:33:07,828 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:33:07,829 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:33:07,832 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:33:07,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:33:07,838 INFO L82 PathProgramCache]: Analyzing trace with hash 380045771, now seen corresponding path program 1 times [2018-11-14 18:33:07,843 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:33:07,844 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:33:07,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:33:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:07,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:33:08,011 INFO L256 TraceCheckUtils]: 0: Hoare triple {25#true} call ULTIMATE.init(); {25#true} is VALID [2018-11-14 18:33:08,014 INFO L273 TraceCheckUtils]: 1: Hoare triple {25#true} assume true; {25#true} is VALID [2018-11-14 18:33:08,015 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {25#true} {25#true} #47#return; {25#true} is VALID [2018-11-14 18:33:08,015 INFO L256 TraceCheckUtils]: 3: Hoare triple {25#true} call #t~ret5 := main(); {25#true} is VALID [2018-11-14 18:33:08,016 INFO L273 TraceCheckUtils]: 4: Hoare triple {25#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {25#true} is VALID [2018-11-14 18:33:08,016 INFO L273 TraceCheckUtils]: 5: Hoare triple {25#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {25#true} is VALID [2018-11-14 18:33:08,017 INFO L273 TraceCheckUtils]: 6: Hoare triple {25#true} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {25#true} is VALID [2018-11-14 18:33:08,036 INFO L273 TraceCheckUtils]: 7: Hoare triple {25#true} assume !true; {26#false} is VALID [2018-11-14 18:33:08,037 INFO L273 TraceCheckUtils]: 8: Hoare triple {26#false} assume ~i~0 == ~j~0; {26#false} is VALID [2018-11-14 18:33:08,037 INFO L256 TraceCheckUtils]: 9: Hoare triple {26#false} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {26#false} is VALID [2018-11-14 18:33:08,037 INFO L273 TraceCheckUtils]: 10: Hoare triple {26#false} ~cond := #in~cond; {26#false} is VALID [2018-11-14 18:33:08,038 INFO L273 TraceCheckUtils]: 11: Hoare triple {26#false} assume ~cond == 0bv32; {26#false} is VALID [2018-11-14 18:33:08,038 INFO L273 TraceCheckUtils]: 12: Hoare triple {26#false} assume !false; {26#false} is VALID [2018-11-14 18:33:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:08,042 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 18:33:08,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 18:33:08,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 18:33:08,050 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-14 18:33:08,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:33:08,057 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 18:33:08,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:08,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 18:33:08,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 18:33:08,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 18:33:08,115 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-14 18:33:08,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:08,338 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2018-11-14 18:33:08,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 18:33:08,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-14 18:33:08,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:33:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 18:33:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 42 transitions. [2018-11-14 18:33:08,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 18:33:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 42 transitions. [2018-11-14 18:33:08,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 42 transitions. [2018-11-14 18:33:08,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:08,674 INFO L225 Difference]: With dead ends: 35 [2018-11-14 18:33:08,674 INFO L226 Difference]: Without dead ends: 15 [2018-11-14 18:33:08,678 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 18:33:08,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-14 18:33:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-14 18:33:08,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:33:08,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2018-11-14 18:33:08,744 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 18:33:08,744 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 18:33:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:08,748 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-14 18:33:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-14 18:33:08,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:08,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:08,749 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 18:33:08,749 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 18:33:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:08,753 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-14 18:33:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-14 18:33:08,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:08,754 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:08,754 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:33:08,754 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:33:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 18:33:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-14 18:33:08,758 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-11-14 18:33:08,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:33:08,759 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-14 18:33:08,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 18:33:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-14 18:33:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-14 18:33:08,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:33:08,760 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:33:08,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:33:08,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:33:08,761 INFO L82 PathProgramCache]: Analyzing trace with hash 137515447, now seen corresponding path program 1 times [2018-11-14 18:33:08,761 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:33:08,761 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:33:08,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:33:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:08,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:33:09,201 INFO L256 TraceCheckUtils]: 0: Hoare triple {161#true} call ULTIMATE.init(); {161#true} is VALID [2018-11-14 18:33:09,202 INFO L273 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2018-11-14 18:33:09,202 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {161#true} {161#true} #47#return; {161#true} is VALID [2018-11-14 18:33:09,202 INFO L256 TraceCheckUtils]: 3: Hoare triple {161#true} call #t~ret5 := main(); {161#true} is VALID [2018-11-14 18:33:09,203 INFO L273 TraceCheckUtils]: 4: Hoare triple {161#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {161#true} is VALID [2018-11-14 18:33:09,205 INFO L273 TraceCheckUtils]: 5: Hoare triple {161#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {181#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:09,208 INFO L273 TraceCheckUtils]: 6: Hoare triple {181#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {185#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:09,209 INFO L273 TraceCheckUtils]: 7: Hoare triple {185#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume true; {185#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:09,210 INFO L273 TraceCheckUtils]: 8: Hoare triple {185#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume !(~x~0 != 0bv32); {192#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-14 18:33:09,213 INFO L273 TraceCheckUtils]: 9: Hoare triple {192#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume ~i~0 == ~j~0; {196#(and (= main_~z~0 (_ bv0 32)) (= main_~y~0 (_ bv0 32)))} is VALID [2018-11-14 18:33:09,215 INFO L256 TraceCheckUtils]: 10: Hoare triple {196#(and (= main_~z~0 (_ bv0 32)) (= main_~y~0 (_ bv0 32)))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {200#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:09,216 INFO L273 TraceCheckUtils]: 11: Hoare triple {200#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {204#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:09,236 INFO L273 TraceCheckUtils]: 12: Hoare triple {204#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {162#false} is VALID [2018-11-14 18:33:09,236 INFO L273 TraceCheckUtils]: 13: Hoare triple {162#false} assume !false; {162#false} is VALID [2018-11-14 18:33:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:09,240 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 18:33:09,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 18:33:09,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-14 18:33:09,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-11-14 18:33:09,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:33:09,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-14 18:33:09,354 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:09,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-14 18:33:09,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-14 18:33:09,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-14 18:33:09,355 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-11-14 18:33:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:10,418 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-11-14 18:33:10,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-14 18:33:10,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-11-14 18:33:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:33:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-14 18:33:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2018-11-14 18:33:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-14 18:33:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2018-11-14 18:33:10,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 23 transitions. [2018-11-14 18:33:10,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:10,461 INFO L225 Difference]: With dead ends: 23 [2018-11-14 18:33:10,461 INFO L226 Difference]: Without dead ends: 17 [2018-11-14 18:33:10,463 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-14 18:33:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-14 18:33:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-14 18:33:10,479 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:33:10,479 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2018-11-14 18:33:10,480 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-14 18:33:10,480 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-14 18:33:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:10,482 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-11-14 18:33:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-14 18:33:10,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:10,482 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:10,483 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-14 18:33:10,483 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-14 18:33:10,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:10,485 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-11-14 18:33:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-14 18:33:10,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:10,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:10,486 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:33:10,486 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:33:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-14 18:33:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-14 18:33:10,488 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-11-14 18:33:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:33:10,488 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-14 18:33:10,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-14 18:33:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-14 18:33:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 18:33:10,489 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:33:10,489 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:33:10,490 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:33:10,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:33:10,490 INFO L82 PathProgramCache]: Analyzing trace with hash -431115791, now seen corresponding path program 1 times [2018-11-14 18:33:10,491 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:33:10,491 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:33:10,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:33:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:10,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:33:11,017 INFO L256 TraceCheckUtils]: 0: Hoare triple {308#true} call ULTIMATE.init(); {308#true} is VALID [2018-11-14 18:33:11,018 INFO L273 TraceCheckUtils]: 1: Hoare triple {308#true} assume true; {308#true} is VALID [2018-11-14 18:33:11,018 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {308#true} {308#true} #47#return; {308#true} is VALID [2018-11-14 18:33:11,019 INFO L256 TraceCheckUtils]: 3: Hoare triple {308#true} call #t~ret5 := main(); {308#true} is VALID [2018-11-14 18:33:11,019 INFO L273 TraceCheckUtils]: 4: Hoare triple {308#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {308#true} is VALID [2018-11-14 18:33:11,020 INFO L273 TraceCheckUtils]: 5: Hoare triple {308#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {328#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:11,021 INFO L273 TraceCheckUtils]: 6: Hoare triple {328#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {332#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:11,022 INFO L273 TraceCheckUtils]: 7: Hoare triple {332#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume true; {332#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:11,046 INFO L273 TraceCheckUtils]: 8: Hoare triple {332#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {339#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:11,047 INFO L273 TraceCheckUtils]: 9: Hoare triple {339#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {339#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:11,048 INFO L273 TraceCheckUtils]: 10: Hoare triple {339#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !(~x~0 != 0bv32); {346#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-14 18:33:11,050 INFO L273 TraceCheckUtils]: 11: Hoare triple {346#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume ~i~0 == ~j~0; {350#(and (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv4294967295 32) main_~y~0))} is VALID [2018-11-14 18:33:11,051 INFO L256 TraceCheckUtils]: 12: Hoare triple {350#(and (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv4294967295 32) main_~y~0))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {354#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:11,052 INFO L273 TraceCheckUtils]: 13: Hoare triple {354#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {358#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:11,053 INFO L273 TraceCheckUtils]: 14: Hoare triple {358#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {309#false} is VALID [2018-11-14 18:33:11,054 INFO L273 TraceCheckUtils]: 15: Hoare triple {309#false} assume !false; {309#false} is VALID [2018-11-14 18:33:11,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:11,057 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 18:33:11,470 INFO L273 TraceCheckUtils]: 15: Hoare triple {309#false} assume !false; {309#false} is VALID [2018-11-14 18:33:11,471 INFO L273 TraceCheckUtils]: 14: Hoare triple {368#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume ~cond == 0bv32; {309#false} is VALID [2018-11-14 18:33:11,472 INFO L273 TraceCheckUtils]: 13: Hoare triple {372#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {368#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-14 18:33:11,484 INFO L256 TraceCheckUtils]: 12: Hoare triple {376#(= main_~y~0 (bvneg main_~z~0))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {372#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-14 18:33:11,489 INFO L273 TraceCheckUtils]: 11: Hoare triple {380#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} assume ~i~0 == ~j~0; {376#(= main_~y~0 (bvneg main_~z~0))} is VALID [2018-11-14 18:33:11,490 INFO L273 TraceCheckUtils]: 10: Hoare triple {384#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume !(~x~0 != 0bv32); {380#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} is VALID [2018-11-14 18:33:11,491 INFO L273 TraceCheckUtils]: 9: Hoare triple {384#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume true; {384#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:33:11,532 INFO L273 TraceCheckUtils]: 8: Hoare triple {391#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {384#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:33:11,537 INFO L273 TraceCheckUtils]: 7: Hoare triple {391#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} assume true; {391#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} is VALID [2018-11-14 18:33:11,538 INFO L273 TraceCheckUtils]: 6: Hoare triple {308#true} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {391#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} is VALID [2018-11-14 18:33:11,538 INFO L273 TraceCheckUtils]: 5: Hoare triple {308#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {308#true} is VALID [2018-11-14 18:33:11,539 INFO L273 TraceCheckUtils]: 4: Hoare triple {308#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {308#true} is VALID [2018-11-14 18:33:11,539 INFO L256 TraceCheckUtils]: 3: Hoare triple {308#true} call #t~ret5 := main(); {308#true} is VALID [2018-11-14 18:33:11,539 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {308#true} {308#true} #47#return; {308#true} is VALID [2018-11-14 18:33:11,540 INFO L273 TraceCheckUtils]: 1: Hoare triple {308#true} assume true; {308#true} is VALID [2018-11-14 18:33:11,540 INFO L256 TraceCheckUtils]: 0: Hoare triple {308#true} call ULTIMATE.init(); {308#true} is VALID [2018-11-14 18:33:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:11,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 18:33:11,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2018-11-14 18:33:11,543 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 16 [2018-11-14 18:33:11,543 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:33:11,543 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-11-14 18:33:11,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:11,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-14 18:33:11,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-14 18:33:11,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-14 18:33:11,607 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 15 states. [2018-11-14 18:33:12,621 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2018-11-14 18:33:13,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:13,013 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-11-14 18:33:13,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-14 18:33:13,014 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 16 [2018-11-14 18:33:13,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:33:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 18:33:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 33 transitions. [2018-11-14 18:33:13,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 18:33:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 33 transitions. [2018-11-14 18:33:13,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 33 transitions. [2018-11-14 18:33:13,106 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:13,109 INFO L225 Difference]: With dead ends: 31 [2018-11-14 18:33:13,109 INFO L226 Difference]: Without dead ends: 23 [2018-11-14 18:33:13,110 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2018-11-14 18:33:13,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-14 18:33:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-14 18:33:13,173 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:33:13,173 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2018-11-14 18:33:13,173 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-14 18:33:13,174 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-14 18:33:13,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:13,176 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-11-14 18:33:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-14 18:33:13,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:13,177 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:13,177 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-14 18:33:13,178 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-14 18:33:13,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:13,187 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-11-14 18:33:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-14 18:33:13,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:13,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:13,188 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:33:13,188 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:33:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-14 18:33:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-14 18:33:13,190 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 16 [2018-11-14 18:33:13,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:33:13,191 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-11-14 18:33:13,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-14 18:33:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-14 18:33:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-14 18:33:13,192 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:33:13,192 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:33:13,193 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:33:13,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:33:13,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1072393119, now seen corresponding path program 2 times [2018-11-14 18:33:13,193 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:33:13,194 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:33:13,210 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-14 18:33:13,261 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-14 18:33:13,262 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 18:33:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:13,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:33:13,849 INFO L256 TraceCheckUtils]: 0: Hoare triple {559#true} call ULTIMATE.init(); {559#true} is VALID [2018-11-14 18:33:13,850 INFO L273 TraceCheckUtils]: 1: Hoare triple {559#true} assume true; {559#true} is VALID [2018-11-14 18:33:13,850 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {559#true} {559#true} #47#return; {559#true} is VALID [2018-11-14 18:33:13,851 INFO L256 TraceCheckUtils]: 3: Hoare triple {559#true} call #t~ret5 := main(); {559#true} is VALID [2018-11-14 18:33:13,851 INFO L273 TraceCheckUtils]: 4: Hoare triple {559#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {559#true} is VALID [2018-11-14 18:33:13,860 INFO L273 TraceCheckUtils]: 5: Hoare triple {559#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {579#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:13,861 INFO L273 TraceCheckUtils]: 6: Hoare triple {579#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {583#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:13,862 INFO L273 TraceCheckUtils]: 7: Hoare triple {583#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume true; {583#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:13,885 INFO L273 TraceCheckUtils]: 8: Hoare triple {583#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {590#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:13,886 INFO L273 TraceCheckUtils]: 9: Hoare triple {590#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {590#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:13,926 INFO L273 TraceCheckUtils]: 10: Hoare triple {590#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {597#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:13,927 INFO L273 TraceCheckUtils]: 11: Hoare triple {597#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {597#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:13,970 INFO L273 TraceCheckUtils]: 12: Hoare triple {597#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {604#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} is VALID [2018-11-14 18:33:13,971 INFO L273 TraceCheckUtils]: 13: Hoare triple {604#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} assume true; {604#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} is VALID [2018-11-14 18:33:14,012 INFO L273 TraceCheckUtils]: 14: Hoare triple {604#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {611#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:14,013 INFO L273 TraceCheckUtils]: 15: Hoare triple {611#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume true; {611#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:14,014 INFO L273 TraceCheckUtils]: 16: Hoare triple {611#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume !(~x~0 != 0bv32); {618#(and (bvsge main_~j~0 (_ bv0 32)) (= (_ bv4 32) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:14,014 INFO L273 TraceCheckUtils]: 17: Hoare triple {618#(and (bvsge main_~j~0 (_ bv0 32)) (= (_ bv4 32) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume ~i~0 == ~j~0; {622#(and (= (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)))} is VALID [2018-11-14 18:33:14,016 INFO L256 TraceCheckUtils]: 18: Hoare triple {622#(and (= (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {626#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:14,017 INFO L273 TraceCheckUtils]: 19: Hoare triple {626#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {630#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:14,018 INFO L273 TraceCheckUtils]: 20: Hoare triple {630#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {560#false} is VALID [2018-11-14 18:33:14,018 INFO L273 TraceCheckUtils]: 21: Hoare triple {560#false} assume !false; {560#false} is VALID [2018-11-14 18:33:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:14,024 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 18:33:16,532 INFO L273 TraceCheckUtils]: 21: Hoare triple {560#false} assume !false; {560#false} is VALID [2018-11-14 18:33:16,533 INFO L273 TraceCheckUtils]: 20: Hoare triple {640#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume ~cond == 0bv32; {560#false} is VALID [2018-11-14 18:33:16,534 INFO L273 TraceCheckUtils]: 19: Hoare triple {644#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {640#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-14 18:33:16,536 INFO L256 TraceCheckUtils]: 18: Hoare triple {648#(= main_~y~0 (bvneg main_~z~0))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {644#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-14 18:33:16,537 INFO L273 TraceCheckUtils]: 17: Hoare triple {652#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} assume ~i~0 == ~j~0; {648#(= main_~y~0 (bvneg main_~z~0))} is VALID [2018-11-14 18:33:16,538 INFO L273 TraceCheckUtils]: 16: Hoare triple {656#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume !(~x~0 != 0bv32); {652#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} is VALID [2018-11-14 18:33:16,538 INFO L273 TraceCheckUtils]: 15: Hoare triple {656#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume true; {656#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:33:16,571 INFO L273 TraceCheckUtils]: 14: Hoare triple {663#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {656#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:33:16,572 INFO L273 TraceCheckUtils]: 13: Hoare triple {663#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} assume true; {663#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} is VALID [2018-11-14 18:33:16,627 INFO L273 TraceCheckUtils]: 12: Hoare triple {670#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {663#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} is VALID [2018-11-14 18:33:16,628 INFO L273 TraceCheckUtils]: 11: Hoare triple {670#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} assume true; {670#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:16,705 INFO L273 TraceCheckUtils]: 10: Hoare triple {677#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {670#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:16,706 INFO L273 TraceCheckUtils]: 9: Hoare triple {677#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} assume true; {677#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:16,766 INFO L273 TraceCheckUtils]: 8: Hoare triple {684#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {677#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:16,767 INFO L273 TraceCheckUtils]: 7: Hoare triple {684#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} assume true; {684#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:16,768 INFO L273 TraceCheckUtils]: 6: Hoare triple {559#true} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {684#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:16,768 INFO L273 TraceCheckUtils]: 5: Hoare triple {559#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {559#true} is VALID [2018-11-14 18:33:16,769 INFO L273 TraceCheckUtils]: 4: Hoare triple {559#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {559#true} is VALID [2018-11-14 18:33:16,769 INFO L256 TraceCheckUtils]: 3: Hoare triple {559#true} call #t~ret5 := main(); {559#true} is VALID [2018-11-14 18:33:16,769 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {559#true} {559#true} #47#return; {559#true} is VALID [2018-11-14 18:33:16,769 INFO L273 TraceCheckUtils]: 1: Hoare triple {559#true} assume true; {559#true} is VALID [2018-11-14 18:33:16,770 INFO L256 TraceCheckUtils]: 0: Hoare triple {559#true} call ULTIMATE.init(); {559#true} is VALID [2018-11-14 18:33:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:16,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 18:33:16,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2018-11-14 18:33:16,774 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2018-11-14 18:33:16,775 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:33:16,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2018-11-14 18:33:17,172 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:17,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-14 18:33:17,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-14 18:33:17,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2018-11-14 18:33:17,174 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 21 states. [2018-11-14 18:33:18,926 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2018-11-14 18:33:19,367 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2018-11-14 18:33:20,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:20,305 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2018-11-14 18:33:20,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-14 18:33:20,306 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2018-11-14 18:33:20,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:33:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-14 18:33:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 48 transitions. [2018-11-14 18:33:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-14 18:33:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 48 transitions. [2018-11-14 18:33:20,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 48 transitions. [2018-11-14 18:33:21,179 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:21,181 INFO L225 Difference]: With dead ends: 43 [2018-11-14 18:33:21,181 INFO L226 Difference]: Without dead ends: 35 [2018-11-14 18:33:21,182 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=237, Invalid=755, Unknown=0, NotChecked=0, Total=992 [2018-11-14 18:33:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-14 18:33:21,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-14 18:33:21,478 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:33:21,478 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2018-11-14 18:33:21,478 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2018-11-14 18:33:21,478 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2018-11-14 18:33:21,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:21,482 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-11-14 18:33:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-11-14 18:33:21,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:21,483 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:21,483 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2018-11-14 18:33:21,483 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2018-11-14 18:33:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:21,486 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-11-14 18:33:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-11-14 18:33:21,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:21,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:21,489 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:33:21,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:33:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-14 18:33:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-11-14 18:33:21,491 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 22 [2018-11-14 18:33:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:33:21,492 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-11-14 18:33:21,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-14 18:33:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-11-14 18:33:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-14 18:33:21,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:33:21,493 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:33:21,494 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:33:21,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:33:21,494 INFO L82 PathProgramCache]: Analyzing trace with hash 670388091, now seen corresponding path program 3 times [2018-11-14 18:33:21,495 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:33:21,495 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:33:21,519 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-14 18:33:21,806 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-11-14 18:33:21,806 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 18:33:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:21,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:33:23,409 INFO L256 TraceCheckUtils]: 0: Hoare triple {918#true} call ULTIMATE.init(); {918#true} is VALID [2018-11-14 18:33:23,409 INFO L273 TraceCheckUtils]: 1: Hoare triple {918#true} assume true; {918#true} is VALID [2018-11-14 18:33:23,409 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {918#true} {918#true} #47#return; {918#true} is VALID [2018-11-14 18:33:23,409 INFO L256 TraceCheckUtils]: 3: Hoare triple {918#true} call #t~ret5 := main(); {918#true} is VALID [2018-11-14 18:33:23,410 INFO L273 TraceCheckUtils]: 4: Hoare triple {918#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {918#true} is VALID [2018-11-14 18:33:23,415 INFO L273 TraceCheckUtils]: 5: Hoare triple {918#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {938#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,416 INFO L273 TraceCheckUtils]: 6: Hoare triple {938#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {942#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:23,417 INFO L273 TraceCheckUtils]: 7: Hoare triple {942#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume true; {942#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:23,442 INFO L273 TraceCheckUtils]: 8: Hoare triple {942#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {949#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,443 INFO L273 TraceCheckUtils]: 9: Hoare triple {949#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {949#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,487 INFO L273 TraceCheckUtils]: 10: Hoare triple {949#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {956#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,488 INFO L273 TraceCheckUtils]: 11: Hoare triple {956#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {956#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,527 INFO L273 TraceCheckUtils]: 12: Hoare triple {956#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {963#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} is VALID [2018-11-14 18:33:23,528 INFO L273 TraceCheckUtils]: 13: Hoare triple {963#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} assume true; {963#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} is VALID [2018-11-14 18:33:23,568 INFO L273 TraceCheckUtils]: 14: Hoare triple {963#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {970#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:23,569 INFO L273 TraceCheckUtils]: 15: Hoare triple {970#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume true; {970#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:23,623 INFO L273 TraceCheckUtils]: 16: Hoare triple {970#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {977#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,624 INFO L273 TraceCheckUtils]: 17: Hoare triple {977#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {977#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:23,675 INFO L273 TraceCheckUtils]: 18: Hoare triple {977#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {984#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} is VALID [2018-11-14 18:33:23,677 INFO L273 TraceCheckUtils]: 19: Hoare triple {984#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} assume true; {984#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} is VALID [2018-11-14 18:33:23,748 INFO L273 TraceCheckUtils]: 20: Hoare triple {984#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {991#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv14 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} is VALID [2018-11-14 18:33:23,749 INFO L273 TraceCheckUtils]: 21: Hoare triple {991#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv14 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} assume true; {991#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv14 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} is VALID [2018-11-14 18:33:23,789 INFO L273 TraceCheckUtils]: 22: Hoare triple {991#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv14 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {998#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} is VALID [2018-11-14 18:33:23,790 INFO L273 TraceCheckUtils]: 23: Hoare triple {998#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} assume true; {998#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} is VALID [2018-11-14 18:33:23,843 INFO L273 TraceCheckUtils]: 24: Hoare triple {998#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1005#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} is VALID [2018-11-14 18:33:23,846 INFO L273 TraceCheckUtils]: 25: Hoare triple {1005#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} assume true; {1005#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} is VALID [2018-11-14 18:33:23,888 INFO L273 TraceCheckUtils]: 26: Hoare triple {1005#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1012#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} is VALID [2018-11-14 18:33:23,889 INFO L273 TraceCheckUtils]: 27: Hoare triple {1012#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} assume true; {1012#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} is VALID [2018-11-14 18:33:23,890 INFO L273 TraceCheckUtils]: 28: Hoare triple {1012#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} assume !(~x~0 != 0bv32); {1019#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (= (_ bv10 32) main_~i~0) (= (_ bv10 32) main_~z~0))} is VALID [2018-11-14 18:33:23,890 INFO L273 TraceCheckUtils]: 29: Hoare triple {1019#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (= (_ bv10 32) main_~i~0) (= (_ bv10 32) main_~z~0))} assume ~i~0 == ~j~0; {1023#(and (= (bvadd main_~y~0 (_ bv10 32)) (_ bv0 32)) (= (_ bv10 32) main_~z~0))} is VALID [2018-11-14 18:33:23,895 INFO L256 TraceCheckUtils]: 30: Hoare triple {1023#(and (= (bvadd main_~y~0 (_ bv10 32)) (_ bv0 32)) (= (_ bv10 32) main_~z~0))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {1027#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:23,896 INFO L273 TraceCheckUtils]: 31: Hoare triple {1027#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {1031#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:23,896 INFO L273 TraceCheckUtils]: 32: Hoare triple {1031#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {919#false} is VALID [2018-11-14 18:33:23,896 INFO L273 TraceCheckUtils]: 33: Hoare triple {919#false} assume !false; {919#false} is VALID [2018-11-14 18:33:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:23,901 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 18:33:29,017 INFO L273 TraceCheckUtils]: 33: Hoare triple {919#false} assume !false; {919#false} is VALID [2018-11-14 18:33:29,018 INFO L273 TraceCheckUtils]: 32: Hoare triple {1041#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume ~cond == 0bv32; {919#false} is VALID [2018-11-14 18:33:29,018 INFO L273 TraceCheckUtils]: 31: Hoare triple {1045#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {1041#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-14 18:33:29,020 INFO L256 TraceCheckUtils]: 30: Hoare triple {1049#(= main_~y~0 (bvneg main_~z~0))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {1045#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-14 18:33:29,021 INFO L273 TraceCheckUtils]: 29: Hoare triple {1053#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} assume ~i~0 == ~j~0; {1049#(= main_~y~0 (bvneg main_~z~0))} is VALID [2018-11-14 18:33:29,022 INFO L273 TraceCheckUtils]: 28: Hoare triple {1057#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume !(~x~0 != 0bv32); {1053#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} is VALID [2018-11-14 18:33:29,022 INFO L273 TraceCheckUtils]: 27: Hoare triple {1057#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume true; {1057#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:33:29,101 INFO L273 TraceCheckUtils]: 26: Hoare triple {1064#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967294 32)) (bvneg (bvadd main_~z~0 (_ bv1 32)))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1057#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:33:29,102 INFO L273 TraceCheckUtils]: 25: Hoare triple {1064#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967294 32)) (bvneg (bvadd main_~z~0 (_ bv1 32)))))} assume true; {1064#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967294 32)) (bvneg (bvadd main_~z~0 (_ bv1 32)))))} is VALID [2018-11-14 18:33:29,156 INFO L273 TraceCheckUtils]: 24: Hoare triple {1071#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1064#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967294 32)) (bvneg (bvadd main_~z~0 (_ bv1 32)))))} is VALID [2018-11-14 18:33:29,157 INFO L273 TraceCheckUtils]: 23: Hoare triple {1071#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} assume true; {1071#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:29,219 INFO L273 TraceCheckUtils]: 22: Hoare triple {1078#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv3 32))) (_ bv6 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1071#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:29,219 INFO L273 TraceCheckUtils]: 21: Hoare triple {1078#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv3 32))) (_ bv6 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} assume true; {1078#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv3 32))) (_ bv6 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:29,290 INFO L273 TraceCheckUtils]: 20: Hoare triple {1085#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1078#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv3 32))) (_ bv6 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:29,291 INFO L273 TraceCheckUtils]: 19: Hoare triple {1085#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} assume true; {1085#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:29,376 INFO L273 TraceCheckUtils]: 18: Hoare triple {1092#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1085#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} is VALID [2018-11-14 18:33:29,377 INFO L273 TraceCheckUtils]: 17: Hoare triple {1092#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} assume true; {1092#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,446 INFO L273 TraceCheckUtils]: 16: Hoare triple {1099#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1092#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,447 INFO L273 TraceCheckUtils]: 15: Hoare triple {1099#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} assume true; {1099#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,529 INFO L273 TraceCheckUtils]: 14: Hoare triple {1106#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1099#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,530 INFO L273 TraceCheckUtils]: 13: Hoare triple {1106#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} assume true; {1106#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,597 INFO L273 TraceCheckUtils]: 12: Hoare triple {1113#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1106#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,597 INFO L273 TraceCheckUtils]: 11: Hoare triple {1113#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} assume true; {1113#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} is VALID [2018-11-14 18:33:29,662 INFO L273 TraceCheckUtils]: 10: Hoare triple {1120#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv9 32))) (_ bv18 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1113#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} is VALID [2018-11-14 18:33:29,662 INFO L273 TraceCheckUtils]: 9: Hoare triple {1120#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv9 32))) (_ bv18 32)) main_~y~0))} assume true; {1120#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv9 32))) (_ bv18 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,755 INFO L273 TraceCheckUtils]: 8: Hoare triple {1127#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1120#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv9 32))) (_ bv18 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,755 INFO L273 TraceCheckUtils]: 7: Hoare triple {1127#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} assume true; {1127#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,756 INFO L273 TraceCheckUtils]: 6: Hoare triple {918#true} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {1127#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} is VALID [2018-11-14 18:33:29,756 INFO L273 TraceCheckUtils]: 5: Hoare triple {918#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {918#true} is VALID [2018-11-14 18:33:29,757 INFO L273 TraceCheckUtils]: 4: Hoare triple {918#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {918#true} is VALID [2018-11-14 18:33:29,757 INFO L256 TraceCheckUtils]: 3: Hoare triple {918#true} call #t~ret5 := main(); {918#true} is VALID [2018-11-14 18:33:29,757 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {918#true} {918#true} #47#return; {918#true} is VALID [2018-11-14 18:33:29,757 INFO L273 TraceCheckUtils]: 1: Hoare triple {918#true} assume true; {918#true} is VALID [2018-11-14 18:33:29,757 INFO L256 TraceCheckUtils]: 0: Hoare triple {918#true} call ULTIMATE.init(); {918#true} is VALID [2018-11-14 18:33:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:29,763 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 18:33:29,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2018-11-14 18:33:29,764 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 34 [2018-11-14 18:33:29,764 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:33:29,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states. [2018-11-14 18:33:31,034 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:31,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-14 18:33:31,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-14 18:33:31,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-14 18:33:31,036 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 33 states. [2018-11-14 18:33:34,487 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-11-14 18:33:35,218 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 65 [2018-11-14 18:33:35,831 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-11-14 18:33:36,388 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2018-11-14 18:33:36,860 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-11-14 18:33:37,310 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-11-14 18:33:37,961 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-11-14 18:33:38,360 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-11-14 18:33:40,239 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-11-14 18:33:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:40,413 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2018-11-14 18:33:40,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-14 18:33:40,414 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 34 [2018-11-14 18:33:40,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:33:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-14 18:33:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 78 transitions. [2018-11-14 18:33:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-14 18:33:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 78 transitions. [2018-11-14 18:33:40,421 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 78 transitions. [2018-11-14 18:33:48,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:33:48,035 INFO L225 Difference]: With dead ends: 67 [2018-11-14 18:33:48,035 INFO L226 Difference]: Without dead ends: 59 [2018-11-14 18:33:48,037 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=633, Invalid=1817, Unknown=0, NotChecked=0, Total=2450 [2018-11-14 18:33:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-14 18:33:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-14 18:33:48,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:33:48,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2018-11-14 18:33:48,281 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2018-11-14 18:33:48,282 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2018-11-14 18:33:48,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:48,285 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-11-14 18:33:48,285 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-11-14 18:33:48,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:48,286 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:48,286 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2018-11-14 18:33:48,287 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2018-11-14 18:33:48,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:33:48,290 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-11-14 18:33:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-11-14 18:33:48,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:33:48,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:33:48,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:33:48,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:33:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-14 18:33:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-11-14 18:33:48,294 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 34 [2018-11-14 18:33:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:33:48,294 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-11-14 18:33:48,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-14 18:33:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-11-14 18:33:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-14 18:33:48,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:33:48,297 INFO L375 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:33:48,297 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:33:48,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:33:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2091866419, now seen corresponding path program 4 times [2018-11-14 18:33:48,298 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:33:48,298 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:33:48,328 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-14 18:33:48,441 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-14 18:33:48,441 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 18:33:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:33:48,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:33:51,391 INFO L256 TraceCheckUtils]: 0: Hoare triple {1493#true} call ULTIMATE.init(); {1493#true} is VALID [2018-11-14 18:33:51,392 INFO L273 TraceCheckUtils]: 1: Hoare triple {1493#true} assume true; {1493#true} is VALID [2018-11-14 18:33:51,392 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1493#true} {1493#true} #47#return; {1493#true} is VALID [2018-11-14 18:33:51,392 INFO L256 TraceCheckUtils]: 3: Hoare triple {1493#true} call #t~ret5 := main(); {1493#true} is VALID [2018-11-14 18:33:51,392 INFO L273 TraceCheckUtils]: 4: Hoare triple {1493#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {1493#true} is VALID [2018-11-14 18:33:51,393 INFO L273 TraceCheckUtils]: 5: Hoare triple {1493#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {1513#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,393 INFO L273 TraceCheckUtils]: 6: Hoare triple {1513#(and (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {1517#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:51,394 INFO L273 TraceCheckUtils]: 7: Hoare triple {1517#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume true; {1517#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} is VALID [2018-11-14 18:33:51,421 INFO L273 TraceCheckUtils]: 8: Hoare triple {1517#(and (bvsge main_~j~0 (_ bv0 32)) (= main_~j~0 main_~y~0) (= main_~z~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= main_~x~0 main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1524#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,422 INFO L273 TraceCheckUtils]: 9: Hoare triple {1524#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1524#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,460 INFO L273 TraceCheckUtils]: 10: Hoare triple {1524#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967294 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967295 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1531#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,461 INFO L273 TraceCheckUtils]: 11: Hoare triple {1531#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1531#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,510 INFO L273 TraceCheckUtils]: 12: Hoare triple {1531#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967292 32)) main_~y~0) (= (bvadd main_~i~0 (_ bv4294967294 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1538#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} is VALID [2018-11-14 18:33:51,511 INFO L273 TraceCheckUtils]: 13: Hoare triple {1538#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} assume true; {1538#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} is VALID [2018-11-14 18:33:51,560 INFO L273 TraceCheckUtils]: 14: Hoare triple {1538#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~j~0 (_ bv4294967290 32)) main_~y~0) (= (bvadd main_~x~0 (_ bv3 32)) main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1545#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:51,561 INFO L273 TraceCheckUtils]: 15: Hoare triple {1545#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume true; {1545#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} is VALID [2018-11-14 18:33:51,605 INFO L273 TraceCheckUtils]: 16: Hoare triple {1545#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967292 32)) main_~x~0) (= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967288 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1552#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,606 INFO L273 TraceCheckUtils]: 17: Hoare triple {1552#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1552#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,648 INFO L273 TraceCheckUtils]: 18: Hoare triple {1552#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv10 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv5 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1559#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} is VALID [2018-11-14 18:33:51,649 INFO L273 TraceCheckUtils]: 19: Hoare triple {1559#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} assume true; {1559#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} is VALID [2018-11-14 18:33:51,689 INFO L273 TraceCheckUtils]: 20: Hoare triple {1559#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv12 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv6 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967290 32)) main_~x~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1566#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967282 32)) main_~y~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} is VALID [2018-11-14 18:33:51,691 INFO L273 TraceCheckUtils]: 21: Hoare triple {1566#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967282 32)) main_~y~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} assume true; {1566#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967282 32)) main_~y~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} is VALID [2018-11-14 18:33:51,724 INFO L273 TraceCheckUtils]: 22: Hoare triple {1566#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967282 32)) main_~y~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~x~0 (_ bv7 32)) main_~i~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1573#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} is VALID [2018-11-14 18:33:51,725 INFO L273 TraceCheckUtils]: 23: Hoare triple {1573#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} assume true; {1573#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} is VALID [2018-11-14 18:33:51,768 INFO L273 TraceCheckUtils]: 24: Hoare triple {1573#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967288 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv16 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv8 32) main_~z~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1580#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} is VALID [2018-11-14 18:33:51,769 INFO L273 TraceCheckUtils]: 25: Hoare triple {1580#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} assume true; {1580#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} is VALID [2018-11-14 18:33:51,829 INFO L273 TraceCheckUtils]: 26: Hoare triple {1580#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv9 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~y~0 (_ bv18 32)) main_~j~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1587#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} is VALID [2018-11-14 18:33:51,830 INFO L273 TraceCheckUtils]: 27: Hoare triple {1587#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} assume true; {1587#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} is VALID [2018-11-14 18:33:51,880 INFO L273 TraceCheckUtils]: 28: Hoare triple {1587#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv20 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967286 32)) main_~x~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv10 32) main_~z~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1594#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967274 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv11 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,882 INFO L273 TraceCheckUtils]: 29: Hoare triple {1594#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967274 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv11 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1594#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967274 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv11 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,926 INFO L273 TraceCheckUtils]: 30: Hoare triple {1594#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967274 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv11 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1601#(and (= (bvadd main_~i~0 (_ bv4294967284 32)) main_~x~0) (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967272 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,927 INFO L273 TraceCheckUtils]: 31: Hoare triple {1601#(and (= (bvadd main_~i~0 (_ bv4294967284 32)) main_~x~0) (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967272 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1601#(and (= (bvadd main_~i~0 (_ bv4294967284 32)) main_~x~0) (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967272 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,971 INFO L273 TraceCheckUtils]: 32: Hoare triple {1601#(and (= (bvadd main_~i~0 (_ bv4294967284 32)) main_~x~0) (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967272 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1608#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv13 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (_ bv13 32) main_~z~0) (= (bvadd main_~y~0 (_ bv26 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:51,972 INFO L273 TraceCheckUtils]: 33: Hoare triple {1608#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv13 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (_ bv13 32) main_~z~0) (= (bvadd main_~y~0 (_ bv26 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1608#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv13 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (_ bv13 32) main_~z~0) (= (bvadd main_~y~0 (_ bv26 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,028 INFO L273 TraceCheckUtils]: 34: Hoare triple {1608#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv13 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (_ bv13 32) main_~z~0) (= (bvadd main_~y~0 (_ bv26 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1615#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967282 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv28 32)) main_~j~0))} is VALID [2018-11-14 18:33:52,029 INFO L273 TraceCheckUtils]: 35: Hoare triple {1615#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967282 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv28 32)) main_~j~0))} assume true; {1615#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967282 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv28 32)) main_~j~0))} is VALID [2018-11-14 18:33:52,082 INFO L273 TraceCheckUtils]: 36: Hoare triple {1615#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967282 32)) main_~x~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv28 32)) main_~j~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1622#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv15 32)) main_~i~0) (= (bvadd main_~y~0 (_ bv30 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,083 INFO L273 TraceCheckUtils]: 37: Hoare triple {1622#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv15 32)) main_~i~0) (= (bvadd main_~y~0 (_ bv30 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1622#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv15 32)) main_~i~0) (= (bvadd main_~y~0 (_ bv30 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,125 INFO L273 TraceCheckUtils]: 38: Hoare triple {1622#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv15 32)) main_~i~0) (= (bvadd main_~y~0 (_ bv30 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1629#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv32 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv16 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967280 32)) main_~x~0))} is VALID [2018-11-14 18:33:52,126 INFO L273 TraceCheckUtils]: 39: Hoare triple {1629#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv32 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv16 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967280 32)) main_~x~0))} assume true; {1629#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv32 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv16 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967280 32)) main_~x~0))} is VALID [2018-11-14 18:33:52,166 INFO L273 TraceCheckUtils]: 40: Hoare triple {1629#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv32 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (_ bv16 32) main_~z~0) (= (bvadd main_~i~0 (_ bv4294967280 32)) main_~x~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1636#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv17 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967262 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,167 INFO L273 TraceCheckUtils]: 41: Hoare triple {1636#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv17 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967262 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1636#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv17 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967262 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,216 INFO L273 TraceCheckUtils]: 42: Hoare triple {1636#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv17 32)) main_~i~0) (= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967262 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1643#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv36 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967278 32)) main_~x~0))} is VALID [2018-11-14 18:33:52,217 INFO L273 TraceCheckUtils]: 43: Hoare triple {1643#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv36 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967278 32)) main_~x~0))} assume true; {1643#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv36 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967278 32)) main_~x~0))} is VALID [2018-11-14 18:33:52,249 INFO L273 TraceCheckUtils]: 44: Hoare triple {1643#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~y~0 (_ bv36 32)) main_~j~0) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967278 32)) main_~x~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1650#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967258 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv19 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,250 INFO L273 TraceCheckUtils]: 45: Hoare triple {1650#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967258 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv19 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1650#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967258 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv19 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,313 INFO L273 TraceCheckUtils]: 46: Hoare triple {1650#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967258 32)) main_~y~0) (= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~x~0 (_ bv19 32)) main_~i~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1657#(and (bvsge main_~j~0 (_ bv0 32)) (= (_ bv20 32) main_~z~0) (= (bvadd main_~y~0 (_ bv40 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967276 32)) main_~x~0))} is VALID [2018-11-14 18:33:52,314 INFO L273 TraceCheckUtils]: 47: Hoare triple {1657#(and (bvsge main_~j~0 (_ bv0 32)) (= (_ bv20 32) main_~z~0) (= (bvadd main_~y~0 (_ bv40 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967276 32)) main_~x~0))} assume true; {1657#(and (bvsge main_~j~0 (_ bv0 32)) (= (_ bv20 32) main_~z~0) (= (bvadd main_~y~0 (_ bv40 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967276 32)) main_~x~0))} is VALID [2018-11-14 18:33:52,365 INFO L273 TraceCheckUtils]: 48: Hoare triple {1657#(and (bvsge main_~j~0 (_ bv0 32)) (= (_ bv20 32) main_~z~0) (= (bvadd main_~y~0 (_ bv40 32)) main_~j~0) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967276 32)) main_~x~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1664#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv21 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967254 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,366 INFO L273 TraceCheckUtils]: 49: Hoare triple {1664#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv21 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967254 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume true; {1664#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv21 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967254 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} is VALID [2018-11-14 18:33:52,424 INFO L273 TraceCheckUtils]: 50: Hoare triple {1664#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv21 32)) main_~i~0) (bvsge main_~i~0 (_ bv0 32)) (= (bvadd main_~j~0 (_ bv4294967254 32)) main_~y~0) (bvsle main_~i~0 (_ bv1000000 32)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1671#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967274 32)) main_~x~0) (= (bvadd main_~y~0 (_ bv44 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} is VALID [2018-11-14 18:33:52,425 INFO L273 TraceCheckUtils]: 51: Hoare triple {1671#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967274 32)) main_~x~0) (= (bvadd main_~y~0 (_ bv44 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} assume true; {1671#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967274 32)) main_~x~0) (= (bvadd main_~y~0 (_ bv44 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} is VALID [2018-11-14 18:33:52,426 INFO L273 TraceCheckUtils]: 52: Hoare triple {1671#(and (bvsge main_~j~0 (_ bv0 32)) (bvsge main_~i~0 (_ bv0 32)) (bvsle main_~i~0 (_ bv1000000 32)) (= (bvadd main_~i~0 (_ bv4294967274 32)) main_~x~0) (= (bvadd main_~y~0 (_ bv44 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} assume !(~x~0 != 0bv32); {1678#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967274 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv44 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} is VALID [2018-11-14 18:33:52,428 INFO L273 TraceCheckUtils]: 53: Hoare triple {1678#(and (bvsge main_~j~0 (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967274 32)) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv44 32)) main_~j~0) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} assume ~i~0 == ~j~0; {1682#(and (= (bvadd main_~y~0 (_ bv22 32)) (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} is VALID [2018-11-14 18:33:52,429 INFO L256 TraceCheckUtils]: 54: Hoare triple {1682#(and (= (bvadd main_~y~0 (_ bv22 32)) (_ bv0 32)) (= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32)))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {1686#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:52,429 INFO L273 TraceCheckUtils]: 55: Hoare triple {1686#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {1690#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:33:52,430 INFO L273 TraceCheckUtils]: 56: Hoare triple {1690#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {1494#false} is VALID [2018-11-14 18:33:52,430 INFO L273 TraceCheckUtils]: 57: Hoare triple {1494#false} assume !false; {1494#false} is VALID [2018-11-14 18:33:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:33:52,450 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 18:34:02,608 INFO L273 TraceCheckUtils]: 57: Hoare triple {1494#false} assume !false; {1494#false} is VALID [2018-11-14 18:34:02,609 INFO L273 TraceCheckUtils]: 56: Hoare triple {1700#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume ~cond == 0bv32; {1494#false} is VALID [2018-11-14 18:34:02,610 INFO L273 TraceCheckUtils]: 55: Hoare triple {1704#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {1700#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-14 18:34:02,611 INFO L256 TraceCheckUtils]: 54: Hoare triple {1708#(= main_~y~0 (bvneg main_~z~0))} call __VERIFIER_assert((if ~y~0 == ~bvneg32(~z~0) then 1bv32 else 0bv32)); {1704#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-14 18:34:02,611 INFO L273 TraceCheckUtils]: 53: Hoare triple {1712#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} assume ~i~0 == ~j~0; {1708#(= main_~y~0 (bvneg main_~z~0))} is VALID [2018-11-14 18:34:02,612 INFO L273 TraceCheckUtils]: 52: Hoare triple {1716#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume !(~x~0 != 0bv32); {1712#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)))} is VALID [2018-11-14 18:34:02,612 INFO L273 TraceCheckUtils]: 51: Hoare triple {1716#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} assume true; {1716#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:34:02,659 INFO L273 TraceCheckUtils]: 50: Hoare triple {1723#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1716#(or (= main_~y~0 (bvneg main_~z~0)) (not (= main_~j~0 main_~i~0)) (not (= main_~x~0 (_ bv0 32))))} is VALID [2018-11-14 18:34:02,659 INFO L273 TraceCheckUtils]: 49: Hoare triple {1723#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} assume true; {1723#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} is VALID [2018-11-14 18:34:02,727 INFO L273 TraceCheckUtils]: 48: Hoare triple {1730#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1723#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967295 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv1 32))) (_ bv2 32)) main_~y~0))} is VALID [2018-11-14 18:34:02,728 INFO L273 TraceCheckUtils]: 47: Hoare triple {1730#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} assume true; {1730#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:02,791 INFO L273 TraceCheckUtils]: 46: Hoare triple {1737#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1730#(or (= (bvadd main_~y~0 (_ bv4294967292 32)) (bvneg (bvadd main_~z~0 (_ bv2 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967294 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:02,791 INFO L273 TraceCheckUtils]: 45: Hoare triple {1737#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} assume true; {1737#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:02,847 INFO L273 TraceCheckUtils]: 44: Hoare triple {1744#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1737#(or (= (bvadd main_~y~0 (_ bv4294967290 32)) (bvneg (bvadd main_~z~0 (_ bv3 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967293 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:02,847 INFO L273 TraceCheckUtils]: 43: Hoare triple {1744#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} assume true; {1744#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:02,916 INFO L273 TraceCheckUtils]: 42: Hoare triple {1751#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1744#(or (= (bvadd (bvneg (bvadd main_~z~0 (_ bv4 32))) (_ bv8 32)) main_~y~0) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967292 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:02,916 INFO L273 TraceCheckUtils]: 41: Hoare triple {1751#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} assume true; {1751#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,001 INFO L273 TraceCheckUtils]: 40: Hoare triple {1758#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1751#(or (not (= (bvadd main_~x~0 (_ bv4294967291 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv5 32))) (_ bv10 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,002 INFO L273 TraceCheckUtils]: 39: Hoare triple {1758#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} assume true; {1758#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,068 INFO L273 TraceCheckUtils]: 38: Hoare triple {1765#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1758#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967290 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv6 32))) (_ bv12 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,070 INFO L273 TraceCheckUtils]: 37: Hoare triple {1765#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} assume true; {1765#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,139 INFO L273 TraceCheckUtils]: 36: Hoare triple {1772#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1765#(or (not (= (bvadd main_~x~0 (_ bv4294967289 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv7 32))) (_ bv14 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,140 INFO L273 TraceCheckUtils]: 35: Hoare triple {1772#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} assume true; {1772#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} is VALID [2018-11-14 18:34:03,214 INFO L273 TraceCheckUtils]: 34: Hoare triple {1779#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967278 32)) (bvneg (bvadd main_~z~0 (_ bv9 32)))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1772#(or (not (= (bvadd main_~x~0 (_ bv4294967288 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967280 32)) (bvneg (bvadd main_~z~0 (_ bv8 32)))))} is VALID [2018-11-14 18:34:03,216 INFO L273 TraceCheckUtils]: 33: Hoare triple {1779#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967278 32)) (bvneg (bvadd main_~z~0 (_ bv9 32)))))} assume true; {1779#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967278 32)) (bvneg (bvadd main_~z~0 (_ bv9 32)))))} is VALID [2018-11-14 18:34:03,295 INFO L273 TraceCheckUtils]: 32: Hoare triple {1786#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1779#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967287 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967278 32)) (bvneg (bvadd main_~z~0 (_ bv9 32)))))} is VALID [2018-11-14 18:34:03,299 INFO L273 TraceCheckUtils]: 31: Hoare triple {1786#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} assume true; {1786#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,392 INFO L273 TraceCheckUtils]: 30: Hoare triple {1793#(or (= (bvadd main_~y~0 (_ bv4294967274 32)) (bvneg (bvadd main_~z~0 (_ bv11 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967285 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1786#(or (not (= (bvadd main_~x~0 (_ bv4294967286 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv10 32))) (_ bv20 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,393 INFO L273 TraceCheckUtils]: 29: Hoare triple {1793#(or (= (bvadd main_~y~0 (_ bv4294967274 32)) (bvneg (bvadd main_~z~0 (_ bv11 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967285 32)) (_ bv0 32))))} assume true; {1793#(or (= (bvadd main_~y~0 (_ bv4294967274 32)) (bvneg (bvadd main_~z~0 (_ bv11 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967285 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:03,503 INFO L273 TraceCheckUtils]: 28: Hoare triple {1800#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967284 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv12 32))) (_ bv24 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1793#(or (= (bvadd main_~y~0 (_ bv4294967274 32)) (bvneg (bvadd main_~z~0 (_ bv11 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967285 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:03,504 INFO L273 TraceCheckUtils]: 27: Hoare triple {1800#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967284 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv12 32))) (_ bv24 32)) main_~y~0))} assume true; {1800#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967284 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv12 32))) (_ bv24 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,581 INFO L273 TraceCheckUtils]: 26: Hoare triple {1807#(or (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967270 32)) (bvneg (bvadd main_~z~0 (_ bv13 32)))) (not (= (bvadd main_~x~0 (_ bv4294967283 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1800#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967284 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv12 32))) (_ bv24 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,581 INFO L273 TraceCheckUtils]: 25: Hoare triple {1807#(or (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967270 32)) (bvneg (bvadd main_~z~0 (_ bv13 32)))) (not (= (bvadd main_~x~0 (_ bv4294967283 32)) (_ bv0 32))))} assume true; {1807#(or (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967270 32)) (bvneg (bvadd main_~z~0 (_ bv13 32)))) (not (= (bvadd main_~x~0 (_ bv4294967283 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:03,739 INFO L273 TraceCheckUtils]: 24: Hoare triple {1814#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967282 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv14 32))) (_ bv28 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1807#(or (not (= main_~j~0 main_~i~0)) (= (bvadd main_~y~0 (_ bv4294967270 32)) (bvneg (bvadd main_~z~0 (_ bv13 32)))) (not (= (bvadd main_~x~0 (_ bv4294967283 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:03,739 INFO L273 TraceCheckUtils]: 23: Hoare triple {1814#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967282 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv14 32))) (_ bv28 32)) main_~y~0))} assume true; {1814#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967282 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv14 32))) (_ bv28 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,845 INFO L273 TraceCheckUtils]: 22: Hoare triple {1821#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv15 32))) (_ bv30 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967281 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1814#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967282 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv14 32))) (_ bv28 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,845 INFO L273 TraceCheckUtils]: 21: Hoare triple {1821#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv15 32))) (_ bv30 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967281 32)) (_ bv0 32))))} assume true; {1821#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv15 32))) (_ bv30 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967281 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:03,914 INFO L273 TraceCheckUtils]: 20: Hoare triple {1828#(or (not (= (bvadd main_~x~0 (_ bv4294967280 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv16 32))) (_ bv32 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1821#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv15 32))) (_ bv30 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967281 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:03,915 INFO L273 TraceCheckUtils]: 19: Hoare triple {1828#(or (not (= (bvadd main_~x~0 (_ bv4294967280 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv16 32))) (_ bv32 32)) main_~y~0))} assume true; {1828#(or (not (= (bvadd main_~x~0 (_ bv4294967280 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv16 32))) (_ bv32 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,988 INFO L273 TraceCheckUtils]: 18: Hoare triple {1835#(or (not (= (bvadd main_~x~0 (_ bv4294967279 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv17 32))) (_ bv34 32)) main_~y~0) (not (= main_~j~0 main_~i~0)))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1828#(or (not (= (bvadd main_~x~0 (_ bv4294967280 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv16 32))) (_ bv32 32)) main_~y~0))} is VALID [2018-11-14 18:34:03,989 INFO L273 TraceCheckUtils]: 17: Hoare triple {1835#(or (not (= (bvadd main_~x~0 (_ bv4294967279 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv17 32))) (_ bv34 32)) main_~y~0) (not (= main_~j~0 main_~i~0)))} assume true; {1835#(or (not (= (bvadd main_~x~0 (_ bv4294967279 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv17 32))) (_ bv34 32)) main_~y~0) (not (= main_~j~0 main_~i~0)))} is VALID [2018-11-14 18:34:04,093 INFO L273 TraceCheckUtils]: 16: Hoare triple {1842#(or (not (= (bvadd main_~x~0 (_ bv4294967278 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv18 32))) (_ bv36 32)) main_~y~0))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1835#(or (not (= (bvadd main_~x~0 (_ bv4294967279 32)) (_ bv0 32))) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv17 32))) (_ bv34 32)) main_~y~0) (not (= main_~j~0 main_~i~0)))} is VALID [2018-11-14 18:34:04,095 INFO L273 TraceCheckUtils]: 15: Hoare triple {1842#(or (not (= (bvadd main_~x~0 (_ bv4294967278 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv18 32))) (_ bv36 32)) main_~y~0))} assume true; {1842#(or (not (= (bvadd main_~x~0 (_ bv4294967278 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv18 32))) (_ bv36 32)) main_~y~0))} is VALID [2018-11-14 18:34:04,193 INFO L273 TraceCheckUtils]: 14: Hoare triple {1849#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv19 32))) (_ bv38 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967277 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1842#(or (not (= (bvadd main_~x~0 (_ bv4294967278 32)) (_ bv0 32))) (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv18 32))) (_ bv36 32)) main_~y~0))} is VALID [2018-11-14 18:34:04,194 INFO L273 TraceCheckUtils]: 13: Hoare triple {1849#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv19 32))) (_ bv38 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967277 32)) (_ bv0 32))))} assume true; {1849#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv19 32))) (_ bv38 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967277 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:04,319 INFO L273 TraceCheckUtils]: 12: Hoare triple {1856#(or (= (bvadd main_~y~0 (_ bv4294967256 32)) (bvneg (bvadd main_~z~0 (_ bv20 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967276 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1849#(or (not (= main_~j~0 main_~i~0)) (= (bvadd (bvneg (bvadd main_~z~0 (_ bv19 32))) (_ bv38 32)) main_~y~0) (not (= (bvadd main_~x~0 (_ bv4294967277 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:04,319 INFO L273 TraceCheckUtils]: 11: Hoare triple {1856#(or (= (bvadd main_~y~0 (_ bv4294967256 32)) (bvneg (bvadd main_~z~0 (_ bv20 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967276 32)) (_ bv0 32))))} assume true; {1856#(or (= (bvadd main_~y~0 (_ bv4294967256 32)) (bvneg (bvadd main_~z~0 (_ bv20 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967276 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:04,384 INFO L273 TraceCheckUtils]: 10: Hoare triple {1863#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967275 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967254 32)) (bvneg (bvadd main_~z~0 (_ bv21 32)))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1856#(or (= (bvadd main_~y~0 (_ bv4294967256 32)) (bvneg (bvadd main_~z~0 (_ bv20 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967276 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:04,385 INFO L273 TraceCheckUtils]: 9: Hoare triple {1863#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967275 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967254 32)) (bvneg (bvadd main_~z~0 (_ bv21 32)))))} assume true; {1863#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967275 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967254 32)) (bvneg (bvadd main_~z~0 (_ bv21 32)))))} is VALID [2018-11-14 18:34:04,458 INFO L273 TraceCheckUtils]: 8: Hoare triple {1870#(or (= (bvadd main_~y~0 (_ bv4294967252 32)) (bvneg (bvadd main_~z~0 (_ bv22 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967274 32)) (_ bv0 32))))} assume !!(~x~0 != 0bv32);#t~post3 := ~x~0;~x~0 := ~bvsub32(#t~post3, 1bv32);havoc #t~post3;~y~0 := ~bvsub32(~y~0, 2bv32);#t~post4 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1863#(or (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967275 32)) (_ bv0 32))) (= (bvadd main_~y~0 (_ bv4294967254 32)) (bvneg (bvadd main_~z~0 (_ bv21 32)))))} is VALID [2018-11-14 18:34:04,459 INFO L273 TraceCheckUtils]: 7: Hoare triple {1870#(or (= (bvadd main_~y~0 (_ bv4294967252 32)) (bvneg (bvadd main_~z~0 (_ bv22 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967274 32)) (_ bv0 32))))} assume true; {1870#(or (= (bvadd main_~y~0 (_ bv4294967252 32)) (bvneg (bvadd main_~z~0 (_ bv22 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967274 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:04,459 INFO L273 TraceCheckUtils]: 6: Hoare triple {1493#true} assume !!~bvsge32(~j~0, 0bv32);~x~0 := ~i~0;~y~0 := ~j~0;~z~0 := 0bv32; {1870#(or (= (bvadd main_~y~0 (_ bv4294967252 32)) (bvneg (bvadd main_~z~0 (_ bv22 32)))) (not (= main_~j~0 main_~i~0)) (not (= (bvadd main_~x~0 (_ bv4294967274 32)) (_ bv0 32))))} is VALID [2018-11-14 18:34:04,459 INFO L273 TraceCheckUtils]: 5: Hoare triple {1493#true} assume !!(~bvsge32(~i~0, 0bv32) && ~bvsle32(~i~0, 1000000bv32)); {1493#true} is VALID [2018-11-14 18:34:04,460 INFO L273 TraceCheckUtils]: 4: Hoare triple {1493#true} havoc ~i~0;havoc ~j~0;~i~0 := #t~nondet1;havoc #t~nondet1;~j~0 := #t~nondet2;havoc #t~nondet2; {1493#true} is VALID [2018-11-14 18:34:04,460 INFO L256 TraceCheckUtils]: 3: Hoare triple {1493#true} call #t~ret5 := main(); {1493#true} is VALID [2018-11-14 18:34:04,460 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1493#true} {1493#true} #47#return; {1493#true} is VALID [2018-11-14 18:34:04,460 INFO L273 TraceCheckUtils]: 1: Hoare triple {1493#true} assume true; {1493#true} is VALID [2018-11-14 18:34:04,460 INFO L256 TraceCheckUtils]: 0: Hoare triple {1493#true} call ULTIMATE.init(); {1493#true} is VALID [2018-11-14 18:34:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:34:04,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 18:34:04,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 57 [2018-11-14 18:34:04,478 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 58 [2018-11-14 18:34:04,478 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:34:04,478 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 57 states. [2018-11-14 18:34:07,304 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:34:07,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-11-14 18:34:07,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-11-14 18:34:07,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=2518, Unknown=0, NotChecked=0, Total=3192 [2018-11-14 18:34:07,306 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 57 states. [2018-11-14 18:34:19,540 WARN L179 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-11-14 18:34:21,165 WARN L179 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 125 [2018-11-14 18:34:22,835 WARN L179 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-11-14 18:34:23,985 WARN L179 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 124 [2018-11-14 18:34:25,682 WARN L179 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-11-14 18:34:27,346 WARN L179 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-11-14 18:34:29,262 WARN L179 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-11-14 18:34:30,779 WARN L179 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-11-14 18:34:32,222 WARN L179 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-11-14 18:34:33,565 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2018-11-14 18:34:34,845 WARN L179 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-11-14 18:34:36,009 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-11-14 18:34:37,135 WARN L179 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-14 18:34:38,416 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-11-14 18:34:39,449 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-11-14 18:34:40,565 WARN L179 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-11-14 18:34:41,449 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-11-14 18:34:42,259 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-11-14 18:34:43,016 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-11-14 18:34:43,662 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-11-14 18:34:46,092 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-14 18:34:48,243 WARN L179 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-11-14 18:34:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:34:48,595 INFO L93 Difference]: Finished difference Result 115 states and 138 transitions. [2018-11-14 18:34:48,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-11-14 18:34:48,597 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 58 [2018-11-14 18:34:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:34:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-14 18:34:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 138 transitions. [2018-11-14 18:34:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-14 18:34:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 138 transitions. [2018-11-14 18:34:48,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 138 transitions.