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_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/phases_false-unreach-call1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:31:18,176 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:31:18,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:31:18,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:31:18,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:31:18,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:31:18,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:31:18,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:31:18,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:31:18,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:31:18,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:31:18,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:31:18,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:31:18,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:31:18,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:31:18,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:31:18,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:31:18,213 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:31:18,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:31:18,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:31:18,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:31:18,233 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:31:18,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 17:31:18,250 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-14 17:31:18,280 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:31:18,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:31:18,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:31:18,283 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:31:18,283 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:31:18,283 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:31:18,284 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:31:18,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:31:18,287 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:31:18,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:31:18,288 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:31:18,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:31:18,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:31:18,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:31:18,288 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:31:18,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:31:18,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:31:18,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:31:18,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:31:18,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:31:18,291 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:31:18,291 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:31:18,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:31:18,292 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:31:18,292 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:31:18,292 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:31:18,292 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:31:18,292 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:31:18,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:31:18,293 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:31:18,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:31:18,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:31:18,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:31:18,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:31:18,375 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:31:18,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_false-unreach-call1.i [2018-11-14 17:31:18,442 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95728a4cf/910e31d5eb2f4c099d99c11d3b440e45/FLAG2add1910a [2018-11-14 17:31:18,923 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:31:18,924 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_false-unreach-call1.i [2018-11-14 17:31:18,931 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95728a4cf/910e31d5eb2f4c099d99c11d3b440e45/FLAG2add1910a [2018-11-14 17:31:18,946 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95728a4cf/910e31d5eb2f4c099d99c11d3b440e45 [2018-11-14 17:31:18,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:31:18,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:31:18,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:31:18,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:31:18,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:31:18,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:18" (1/1) ... [2018-11-14 17:31:18,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2d08f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:18, skipping insertion in model container [2018-11-14 17:31:18,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:31:18" (1/1) ... [2018-11-14 17:31:18,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:31:18,997 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:31:19,174 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:31:19,179 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:31:19,198 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:31:19,214 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:31:19,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19 WrapperNode [2018-11-14 17:31:19,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:31:19,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:31:19,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:31:19,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:31:19,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (1/1) ... [2018-11-14 17:31:19,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:31:19,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:31:19,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:31:19,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:31:19,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (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 17:31:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:31:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:31:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 17:31:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:31:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:31:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 17:31:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:31:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:31:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:31:19,844 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:31:19,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:19 BoogieIcfgContainer [2018-11-14 17:31:19,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:31:19,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:31:19,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:31:19,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:31:19,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:31:18" (1/3) ... [2018-11-14 17:31:19,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24dc7d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:19, skipping insertion in model container [2018-11-14 17:31:19,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:31:19" (2/3) ... [2018-11-14 17:31:19,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24dc7d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:31:19, skipping insertion in model container [2018-11-14 17:31:19,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:31:19" (3/3) ... [2018-11-14 17:31:19,854 INFO L112 eAbstractionObserver]: Analyzing ICFG phases_false-unreach-call1.i [2018-11-14 17:31:19,863 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:31:19,871 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:31:19,887 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:31:19,920 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:31:19,921 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:31:19,921 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:31:19,921 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:31:19,921 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:31:19,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:31:19,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:31:19,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:31:19,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:31:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-14 17:31:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-14 17:31:19,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:19,950 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:19,953 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:19,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:19,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1713253442, now seen corresponding path program 1 times [2018-11-14 17:31:19,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:19,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:20,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:20,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:20,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:20,098 INFO L256 TraceCheckUtils]: 0: Hoare triple {22#true} call ULTIMATE.init(); {22#true} is VALID [2018-11-14 17:31:20,101 INFO L273 TraceCheckUtils]: 1: Hoare triple {22#true} assume true; {22#true} is VALID [2018-11-14 17:31:20,102 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {22#true} {22#true} #38#return; {22#true} is VALID [2018-11-14 17:31:20,102 INFO L256 TraceCheckUtils]: 3: Hoare triple {22#true} call #t~ret1 := main(); {22#true} is VALID [2018-11-14 17:31:20,103 INFO L273 TraceCheckUtils]: 4: Hoare triple {22#true} ~x~0 := 0; {22#true} is VALID [2018-11-14 17:31:20,105 INFO L273 TraceCheckUtils]: 5: Hoare triple {22#true} assume !true; {23#false} is VALID [2018-11-14 17:31:20,105 INFO L256 TraceCheckUtils]: 6: Hoare triple {23#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {23#false} is VALID [2018-11-14 17:31:20,106 INFO L273 TraceCheckUtils]: 7: Hoare triple {23#false} ~cond := #in~cond; {23#false} is VALID [2018-11-14 17:31:20,106 INFO L273 TraceCheckUtils]: 8: Hoare triple {23#false} assume ~cond == 0; {23#false} is VALID [2018-11-14 17:31:20,106 INFO L273 TraceCheckUtils]: 9: Hoare triple {23#false} assume !false; {23#false} is VALID [2018-11-14 17:31:20,109 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 17:31:20,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:31:20,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 17:31:20,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-14 17:31:20,121 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:20,125 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 17:31:20,203 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:20,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 17:31:20,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 17:31:20,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 17:31:20,215 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-14 17:31:20,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:20,285 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-11-14 17:31:20,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 17:31:20,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-14 17:31:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:31:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 34 transitions. [2018-11-14 17:31:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:31:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 34 transitions. [2018-11-14 17:31:20,301 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 34 transitions. [2018-11-14 17:31:20,533 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:20,545 INFO L225 Difference]: With dead ends: 30 [2018-11-14 17:31:20,545 INFO L226 Difference]: Without dead ends: 13 [2018-11-14 17:31:20,549 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 17:31:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-11-14 17:31:20,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-14 17:31:20,681 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:20,682 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2018-11-14 17:31:20,682 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-11-14 17:31:20,682 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-11-14 17:31:20,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:20,686 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-11-14 17:31:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-14 17:31:20,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:20,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:20,687 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-11-14 17:31:20,688 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-11-14 17:31:20,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:20,691 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-11-14 17:31:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-14 17:31:20,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:20,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:20,692 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:20,692 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-14 17:31:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-11-14 17:31:20,697 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2018-11-14 17:31:20,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:20,697 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-11-14 17:31:20,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 17:31:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-14 17:31:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-14 17:31:20,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:20,698 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:20,699 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:20,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:20,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1144102878, now seen corresponding path program 1 times [2018-11-14 17:31:20,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:20,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:20,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:20,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:20,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:20,929 INFO L256 TraceCheckUtils]: 0: Hoare triple {111#true} call ULTIMATE.init(); {111#true} is VALID [2018-11-14 17:31:20,929 INFO L273 TraceCheckUtils]: 1: Hoare triple {111#true} assume true; {111#true} is VALID [2018-11-14 17:31:20,929 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {111#true} {111#true} #38#return; {111#true} is VALID [2018-11-14 17:31:20,930 INFO L256 TraceCheckUtils]: 3: Hoare triple {111#true} call #t~ret1 := main(); {111#true} is VALID [2018-11-14 17:31:20,933 INFO L273 TraceCheckUtils]: 4: Hoare triple {111#true} ~x~0 := 0; {113#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:20,934 INFO L273 TraceCheckUtils]: 5: Hoare triple {113#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {113#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:20,935 INFO L273 TraceCheckUtils]: 6: Hoare triple {113#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !(~x~0 % 4294967296 < 268435455); {112#false} is VALID [2018-11-14 17:31:20,935 INFO L256 TraceCheckUtils]: 7: Hoare triple {112#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {112#false} is VALID [2018-11-14 17:31:20,936 INFO L273 TraceCheckUtils]: 8: Hoare triple {112#false} ~cond := #in~cond; {112#false} is VALID [2018-11-14 17:31:20,936 INFO L273 TraceCheckUtils]: 9: Hoare triple {112#false} assume ~cond == 0; {112#false} is VALID [2018-11-14 17:31:20,936 INFO L273 TraceCheckUtils]: 10: Hoare triple {112#false} assume !false; {112#false} is VALID [2018-11-14 17:31:20,938 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 17:31:20,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:31:20,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 17:31:20,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-14 17:31:20,940 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:20,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 17:31:21,004 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:21,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 17:31:21,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 17:31:21,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 17:31:21,005 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 3 states. [2018-11-14 17:31:21,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:21,155 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2018-11-14 17:31:21,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 17:31:21,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-14 17:31:21,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 17:31:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2018-11-14 17:31:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 17:31:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2018-11-14 17:31:21,162 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 28 transitions. [2018-11-14 17:31:21,299 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:21,302 INFO L225 Difference]: With dead ends: 24 [2018-11-14 17:31:21,302 INFO L226 Difference]: Without dead ends: 16 [2018-11-14 17:31:21,303 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 17:31:21,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-14 17:31:21,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-14 17:31:21,311 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:21,312 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2018-11-14 17:31:21,312 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-14 17:31:21,312 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-14 17:31:21,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:21,315 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-14 17:31:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-14 17:31:21,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:21,316 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:21,316 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-14 17:31:21,317 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-14 17:31:21,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:21,319 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-14 17:31:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-14 17:31:21,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:21,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:21,320 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:21,320 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-14 17:31:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-14 17:31:21,322 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2018-11-14 17:31:21,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:21,322 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-14 17:31:21,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 17:31:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-14 17:31:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-14 17:31:21,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:21,323 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:21,323 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:21,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:21,324 INFO L82 PathProgramCache]: Analyzing trace with hash -2056921797, now seen corresponding path program 1 times [2018-11-14 17:31:21,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:21,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:21,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:21,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:21,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:21,506 INFO L256 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2018-11-14 17:31:21,506 INFO L273 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2018-11-14 17:31:21,507 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #38#return; {207#true} is VALID [2018-11-14 17:31:21,507 INFO L256 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret1 := main(); {207#true} is VALID [2018-11-14 17:31:21,508 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 0; {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:21,509 INFO L273 TraceCheckUtils]: 5: Hoare triple {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:21,509 INFO L273 TraceCheckUtils]: 6: Hoare triple {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:21,511 INFO L273 TraceCheckUtils]: 7: Hoare triple {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {210#(and (<= main_~x~0 1) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:21,512 INFO L273 TraceCheckUtils]: 8: Hoare triple {210#(and (<= main_~x~0 1) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {210#(and (<= main_~x~0 1) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:21,514 INFO L273 TraceCheckUtils]: 9: Hoare triple {210#(and (<= main_~x~0 1) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {208#false} is VALID [2018-11-14 17:31:21,514 INFO L256 TraceCheckUtils]: 10: Hoare triple {208#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {208#false} is VALID [2018-11-14 17:31:21,515 INFO L273 TraceCheckUtils]: 11: Hoare triple {208#false} ~cond := #in~cond; {208#false} is VALID [2018-11-14 17:31:21,515 INFO L273 TraceCheckUtils]: 12: Hoare triple {208#false} assume ~cond == 0; {208#false} is VALID [2018-11-14 17:31:21,516 INFO L273 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2018-11-14 17:31:21,518 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 17:31:21,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:21,518 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:21,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:21,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:22,101 INFO L256 TraceCheckUtils]: 0: Hoare triple {207#true} call ULTIMATE.init(); {207#true} is VALID [2018-11-14 17:31:22,102 INFO L273 TraceCheckUtils]: 1: Hoare triple {207#true} assume true; {207#true} is VALID [2018-11-14 17:31:22,102 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {207#true} {207#true} #38#return; {207#true} is VALID [2018-11-14 17:31:22,102 INFO L256 TraceCheckUtils]: 3: Hoare triple {207#true} call #t~ret1 := main(); {207#true} is VALID [2018-11-14 17:31:22,103 INFO L273 TraceCheckUtils]: 4: Hoare triple {207#true} ~x~0 := 0; {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,103 INFO L273 TraceCheckUtils]: 5: Hoare triple {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,105 INFO L273 TraceCheckUtils]: 6: Hoare triple {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,106 INFO L273 TraceCheckUtils]: 7: Hoare triple {209#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {235#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,106 INFO L273 TraceCheckUtils]: 8: Hoare triple {235#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {235#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,108 INFO L273 TraceCheckUtils]: 9: Hoare triple {235#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !(~x~0 % 4294967296 < 268435455); {208#false} is VALID [2018-11-14 17:31:22,108 INFO L256 TraceCheckUtils]: 10: Hoare triple {208#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {208#false} is VALID [2018-11-14 17:31:22,109 INFO L273 TraceCheckUtils]: 11: Hoare triple {208#false} ~cond := #in~cond; {208#false} is VALID [2018-11-14 17:31:22,109 INFO L273 TraceCheckUtils]: 12: Hoare triple {208#false} assume ~cond == 0; {208#false} is VALID [2018-11-14 17:31:22,110 INFO L273 TraceCheckUtils]: 13: Hoare triple {208#false} assume !false; {208#false} is VALID [2018-11-14 17:31:22,111 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 17:31:22,133 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:31:22,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-11-14 17:31:22,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-14 17:31:22,134 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:22,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 17:31:22,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:22,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 17:31:22,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 17:31:22,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-14 17:31:22,166 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2018-11-14 17:31:22,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:22,421 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2018-11-14 17:31:22,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-14 17:31:22,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-14 17:31:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:31:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2018-11-14 17:31:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:31:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2018-11-14 17:31:22,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 31 transitions. [2018-11-14 17:31:22,464 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:22,466 INFO L225 Difference]: With dead ends: 27 [2018-11-14 17:31:22,466 INFO L226 Difference]: Without dead ends: 19 [2018-11-14 17:31:22,467 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-14 17:31:22,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-14 17:31:22,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-14 17:31:22,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:22,500 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2018-11-14 17:31:22,501 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-11-14 17:31:22,501 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-11-14 17:31:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:22,503 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-14 17:31:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-14 17:31:22,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:22,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:22,504 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-11-14 17:31:22,504 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-11-14 17:31:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:22,506 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-14 17:31:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-14 17:31:22,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:22,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:22,507 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:22,507 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-14 17:31:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-14 17:31:22,509 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2018-11-14 17:31:22,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:22,510 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-14 17:31:22,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 17:31:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-14 17:31:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-14 17:31:22,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:22,511 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:22,511 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:22,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:22,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1670825662, now seen corresponding path program 2 times [2018-11-14 17:31:22,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:22,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:22,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:22,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:22,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:22,758 INFO L256 TraceCheckUtils]: 0: Hoare triple {358#true} call ULTIMATE.init(); {358#true} is VALID [2018-11-14 17:31:22,758 INFO L273 TraceCheckUtils]: 1: Hoare triple {358#true} assume true; {358#true} is VALID [2018-11-14 17:31:22,759 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {358#true} {358#true} #38#return; {358#true} is VALID [2018-11-14 17:31:22,759 INFO L256 TraceCheckUtils]: 3: Hoare triple {358#true} call #t~ret1 := main(); {358#true} is VALID [2018-11-14 17:31:22,763 INFO L273 TraceCheckUtils]: 4: Hoare triple {358#true} ~x~0 := 0; {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,764 INFO L273 TraceCheckUtils]: 5: Hoare triple {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,765 INFO L273 TraceCheckUtils]: 6: Hoare triple {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,766 INFO L273 TraceCheckUtils]: 7: Hoare triple {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,766 INFO L273 TraceCheckUtils]: 8: Hoare triple {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,767 INFO L273 TraceCheckUtils]: 9: Hoare triple {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,768 INFO L273 TraceCheckUtils]: 10: Hoare triple {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {362#(and (<= main_~x~0 2) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:22,769 INFO L273 TraceCheckUtils]: 11: Hoare triple {362#(and (<= main_~x~0 2) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {362#(and (<= main_~x~0 2) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:22,772 INFO L273 TraceCheckUtils]: 12: Hoare triple {362#(and (<= main_~x~0 2) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {359#false} is VALID [2018-11-14 17:31:22,772 INFO L256 TraceCheckUtils]: 13: Hoare triple {359#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {359#false} is VALID [2018-11-14 17:31:22,773 INFO L273 TraceCheckUtils]: 14: Hoare triple {359#false} ~cond := #in~cond; {359#false} is VALID [2018-11-14 17:31:22,773 INFO L273 TraceCheckUtils]: 15: Hoare triple {359#false} assume ~cond == 0; {359#false} is VALID [2018-11-14 17:31:22,773 INFO L273 TraceCheckUtils]: 16: Hoare triple {359#false} assume !false; {359#false} is VALID [2018-11-14 17:31:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:22,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:22,775 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:22,784 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-14 17:31:22,794 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-14 17:31:22,795 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:31:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:22,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:22,916 INFO L256 TraceCheckUtils]: 0: Hoare triple {358#true} call ULTIMATE.init(); {358#true} is VALID [2018-11-14 17:31:22,917 INFO L273 TraceCheckUtils]: 1: Hoare triple {358#true} assume true; {358#true} is VALID [2018-11-14 17:31:22,917 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {358#true} {358#true} #38#return; {358#true} is VALID [2018-11-14 17:31:22,918 INFO L256 TraceCheckUtils]: 3: Hoare triple {358#true} call #t~ret1 := main(); {358#true} is VALID [2018-11-14 17:31:22,938 INFO L273 TraceCheckUtils]: 4: Hoare triple {358#true} ~x~0 := 0; {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,954 INFO L273 TraceCheckUtils]: 5: Hoare triple {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,970 INFO L273 TraceCheckUtils]: 6: Hoare triple {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:22,985 INFO L273 TraceCheckUtils]: 7: Hoare triple {360#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,986 INFO L273 TraceCheckUtils]: 8: Hoare triple {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,992 INFO L273 TraceCheckUtils]: 9: Hoare triple {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:22,995 INFO L273 TraceCheckUtils]: 10: Hoare triple {361#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {396#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:23,000 INFO L273 TraceCheckUtils]: 11: Hoare triple {396#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {396#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:23,001 INFO L273 TraceCheckUtils]: 12: Hoare triple {396#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !(~x~0 % 4294967296 < 268435455); {359#false} is VALID [2018-11-14 17:31:23,001 INFO L256 TraceCheckUtils]: 13: Hoare triple {359#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {359#false} is VALID [2018-11-14 17:31:23,001 INFO L273 TraceCheckUtils]: 14: Hoare triple {359#false} ~cond := #in~cond; {359#false} is VALID [2018-11-14 17:31:23,001 INFO L273 TraceCheckUtils]: 15: Hoare triple {359#false} assume ~cond == 0; {359#false} is VALID [2018-11-14 17:31:23,002 INFO L273 TraceCheckUtils]: 16: Hoare triple {359#false} assume !false; {359#false} is VALID [2018-11-14 17:31:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:23,023 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:31:23,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-11-14 17:31:23,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-14 17:31:23,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:23,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-14 17:31:23,055 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:23,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-14 17:31:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-14 17:31:23,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-14 17:31:23,056 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 6 states. [2018-11-14 17:31:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:23,300 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-11-14 17:31:23,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 17:31:23,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-14 17:31:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-14 17:31:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2018-11-14 17:31:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-14 17:31:23,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2018-11-14 17:31:23,307 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 34 transitions. [2018-11-14 17:31:23,362 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:23,363 INFO L225 Difference]: With dead ends: 30 [2018-11-14 17:31:23,363 INFO L226 Difference]: Without dead ends: 22 [2018-11-14 17:31:23,364 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-14 17:31:23,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-14 17:31:23,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-14 17:31:23,397 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:23,397 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2018-11-14 17:31:23,397 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2018-11-14 17:31:23,397 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2018-11-14 17:31:23,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:23,399 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-14 17:31:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-14 17:31:23,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:23,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:23,400 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2018-11-14 17:31:23,400 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2018-11-14 17:31:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:23,402 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-14 17:31:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-14 17:31:23,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:23,403 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:23,403 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:23,403 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-14 17:31:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-11-14 17:31:23,405 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2018-11-14 17:31:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:23,406 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-11-14 17:31:23,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-14 17:31:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-14 17:31:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-14 17:31:23,407 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:23,407 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:23,407 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:23,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:23,408 INFO L82 PathProgramCache]: Analyzing trace with hash 26004059, now seen corresponding path program 3 times [2018-11-14 17:31:23,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:23,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:23,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:23,409 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:31:23,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:23,629 INFO L256 TraceCheckUtils]: 0: Hoare triple {533#true} call ULTIMATE.init(); {533#true} is VALID [2018-11-14 17:31:23,629 INFO L273 TraceCheckUtils]: 1: Hoare triple {533#true} assume true; {533#true} is VALID [2018-11-14 17:31:23,629 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {533#true} {533#true} #38#return; {533#true} is VALID [2018-11-14 17:31:23,630 INFO L256 TraceCheckUtils]: 3: Hoare triple {533#true} call #t~ret1 := main(); {533#true} is VALID [2018-11-14 17:31:23,639 INFO L273 TraceCheckUtils]: 4: Hoare triple {533#true} ~x~0 := 0; {535#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:23,640 INFO L273 TraceCheckUtils]: 5: Hoare triple {535#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {535#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:23,643 INFO L273 TraceCheckUtils]: 6: Hoare triple {535#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {535#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:23,644 INFO L273 TraceCheckUtils]: 7: Hoare triple {535#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {536#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:23,645 INFO L273 TraceCheckUtils]: 8: Hoare triple {536#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {536#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:23,645 INFO L273 TraceCheckUtils]: 9: Hoare triple {536#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {536#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:23,646 INFO L273 TraceCheckUtils]: 10: Hoare triple {536#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {537#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:23,652 INFO L273 TraceCheckUtils]: 11: Hoare triple {537#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {537#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:23,653 INFO L273 TraceCheckUtils]: 12: Hoare triple {537#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {537#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:23,654 INFO L273 TraceCheckUtils]: 13: Hoare triple {537#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {538#(and (<= main_~x~0 3) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:23,655 INFO L273 TraceCheckUtils]: 14: Hoare triple {538#(and (<= main_~x~0 3) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {538#(and (<= main_~x~0 3) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:23,658 INFO L273 TraceCheckUtils]: 15: Hoare triple {538#(and (<= main_~x~0 3) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {534#false} is VALID [2018-11-14 17:31:23,658 INFO L256 TraceCheckUtils]: 16: Hoare triple {534#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {534#false} is VALID [2018-11-14 17:31:23,658 INFO L273 TraceCheckUtils]: 17: Hoare triple {534#false} ~cond := #in~cond; {534#false} is VALID [2018-11-14 17:31:23,659 INFO L273 TraceCheckUtils]: 18: Hoare triple {534#false} assume ~cond == 0; {534#false} is VALID [2018-11-14 17:31:23,659 INFO L273 TraceCheckUtils]: 19: Hoare triple {534#false} assume !false; {534#false} is VALID [2018-11-14 17:31:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:23,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:23,661 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:23,670 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-14 17:31:23,678 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-14 17:31:23,678 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:31:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:23,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:23,767 INFO L256 TraceCheckUtils]: 0: Hoare triple {533#true} call ULTIMATE.init(); {533#true} is VALID [2018-11-14 17:31:23,768 INFO L273 TraceCheckUtils]: 1: Hoare triple {533#true} assume true; {533#true} is VALID [2018-11-14 17:31:23,768 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {533#true} {533#true} #38#return; {533#true} is VALID [2018-11-14 17:31:23,769 INFO L256 TraceCheckUtils]: 3: Hoare triple {533#true} call #t~ret1 := main(); {533#true} is VALID [2018-11-14 17:31:23,769 INFO L273 TraceCheckUtils]: 4: Hoare triple {533#true} ~x~0 := 0; {533#true} is VALID [2018-11-14 17:31:23,770 INFO L273 TraceCheckUtils]: 5: Hoare triple {533#true} assume true; {533#true} is VALID [2018-11-14 17:31:23,770 INFO L273 TraceCheckUtils]: 6: Hoare triple {533#true} assume !!(~x~0 % 4294967296 < 268435455); {533#true} is VALID [2018-11-14 17:31:23,770 INFO L273 TraceCheckUtils]: 7: Hoare triple {533#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {533#true} is VALID [2018-11-14 17:31:23,771 INFO L273 TraceCheckUtils]: 8: Hoare triple {533#true} assume true; {533#true} is VALID [2018-11-14 17:31:23,771 INFO L273 TraceCheckUtils]: 9: Hoare triple {533#true} assume !!(~x~0 % 4294967296 < 268435455); {533#true} is VALID [2018-11-14 17:31:23,771 INFO L273 TraceCheckUtils]: 10: Hoare triple {533#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {533#true} is VALID [2018-11-14 17:31:23,771 INFO L273 TraceCheckUtils]: 11: Hoare triple {533#true} assume true; {533#true} is VALID [2018-11-14 17:31:23,772 INFO L273 TraceCheckUtils]: 12: Hoare triple {533#true} assume !!(~x~0 % 4294967296 < 268435455); {533#true} is VALID [2018-11-14 17:31:23,775 INFO L273 TraceCheckUtils]: 13: Hoare triple {533#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {581#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:31:23,775 INFO L273 TraceCheckUtils]: 14: Hoare triple {581#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume true; {581#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:31:23,776 INFO L273 TraceCheckUtils]: 15: Hoare triple {581#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 268435455); {534#false} is VALID [2018-11-14 17:31:23,776 INFO L256 TraceCheckUtils]: 16: Hoare triple {534#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {534#false} is VALID [2018-11-14 17:31:23,777 INFO L273 TraceCheckUtils]: 17: Hoare triple {534#false} ~cond := #in~cond; {534#false} is VALID [2018-11-14 17:31:23,777 INFO L273 TraceCheckUtils]: 18: Hoare triple {534#false} assume ~cond == 0; {534#false} is VALID [2018-11-14 17:31:23,777 INFO L273 TraceCheckUtils]: 19: Hoare triple {534#false} assume !false; {534#false} is VALID [2018-11-14 17:31:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-14 17:31:23,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-14 17:31:23,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-14 17:31:23,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-14 17:31:23,808 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:23,809 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-14 17:31:23,879 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:23,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-14 17:31:23,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-14 17:31:23,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-14 17:31:23,880 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 7 states. [2018-11-14 17:31:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:24,137 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2018-11-14 17:31:24,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-14 17:31:24,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-14 17:31:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-14 17:31:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 42 transitions. [2018-11-14 17:31:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-14 17:31:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 42 transitions. [2018-11-14 17:31:24,143 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 42 transitions. [2018-11-14 17:31:24,220 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 17:31:24,221 INFO L225 Difference]: With dead ends: 36 [2018-11-14 17:31:24,222 INFO L226 Difference]: Without dead ends: 28 [2018-11-14 17:31:24,223 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-14 17:31:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-14 17:31:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-11-14 17:31:24,239 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:24,240 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 27 states. [2018-11-14 17:31:24,240 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 27 states. [2018-11-14 17:31:24,240 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 27 states. [2018-11-14 17:31:24,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:24,243 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-14 17:31:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-14 17:31:24,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:24,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:24,244 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 28 states. [2018-11-14 17:31:24,245 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 28 states. [2018-11-14 17:31:24,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:24,247 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-14 17:31:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-14 17:31:24,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:24,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:24,248 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:24,248 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-14 17:31:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-14 17:31:24,250 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 20 [2018-11-14 17:31:24,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:24,250 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-14 17:31:24,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-14 17:31:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-14 17:31:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-14 17:31:24,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:24,252 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:24,252 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:24,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:24,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1956763133, now seen corresponding path program 1 times [2018-11-14 17:31:24,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:24,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:24,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:24,254 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:31:24,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:24,853 INFO L256 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {747#true} is VALID [2018-11-14 17:31:24,853 INFO L273 TraceCheckUtils]: 1: Hoare triple {747#true} assume true; {747#true} is VALID [2018-11-14 17:31:24,853 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {747#true} {747#true} #38#return; {747#true} is VALID [2018-11-14 17:31:24,854 INFO L256 TraceCheckUtils]: 3: Hoare triple {747#true} call #t~ret1 := main(); {747#true} is VALID [2018-11-14 17:31:24,856 INFO L273 TraceCheckUtils]: 4: Hoare triple {747#true} ~x~0 := 0; {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:24,860 INFO L273 TraceCheckUtils]: 5: Hoare triple {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:24,861 INFO L273 TraceCheckUtils]: 6: Hoare triple {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:24,862 INFO L273 TraceCheckUtils]: 7: Hoare triple {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:24,863 INFO L273 TraceCheckUtils]: 8: Hoare triple {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:24,864 INFO L273 TraceCheckUtils]: 9: Hoare triple {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:24,865 INFO L273 TraceCheckUtils]: 10: Hoare triple {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:24,866 INFO L273 TraceCheckUtils]: 11: Hoare triple {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:24,866 INFO L273 TraceCheckUtils]: 12: Hoare triple {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:24,868 INFO L273 TraceCheckUtils]: 13: Hoare triple {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:24,869 INFO L273 TraceCheckUtils]: 14: Hoare triple {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:24,869 INFO L273 TraceCheckUtils]: 15: Hoare triple {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:24,871 INFO L273 TraceCheckUtils]: 16: Hoare triple {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:24,872 INFO L273 TraceCheckUtils]: 17: Hoare triple {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:24,873 INFO L273 TraceCheckUtils]: 18: Hoare triple {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:24,874 INFO L273 TraceCheckUtils]: 19: Hoare triple {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {754#(and (<= main_~x~0 6) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:24,879 INFO L273 TraceCheckUtils]: 20: Hoare triple {754#(and (<= main_~x~0 6) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {754#(and (<= main_~x~0 6) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:24,880 INFO L273 TraceCheckUtils]: 21: Hoare triple {754#(and (<= main_~x~0 6) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {748#false} is VALID [2018-11-14 17:31:24,881 INFO L256 TraceCheckUtils]: 22: Hoare triple {748#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {748#false} is VALID [2018-11-14 17:31:24,881 INFO L273 TraceCheckUtils]: 23: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2018-11-14 17:31:24,881 INFO L273 TraceCheckUtils]: 24: Hoare triple {748#false} assume ~cond == 0; {748#false} is VALID [2018-11-14 17:31:24,881 INFO L273 TraceCheckUtils]: 25: Hoare triple {748#false} assume !false; {748#false} is VALID [2018-11-14 17:31:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:24,884 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:24,884 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:24,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:24,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:25,342 INFO L256 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {747#true} is VALID [2018-11-14 17:31:25,343 INFO L273 TraceCheckUtils]: 1: Hoare triple {747#true} assume true; {747#true} is VALID [2018-11-14 17:31:25,343 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {747#true} {747#true} #38#return; {747#true} is VALID [2018-11-14 17:31:25,343 INFO L256 TraceCheckUtils]: 3: Hoare triple {747#true} call #t~ret1 := main(); {747#true} is VALID [2018-11-14 17:31:25,344 INFO L273 TraceCheckUtils]: 4: Hoare triple {747#true} ~x~0 := 0; {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:25,345 INFO L273 TraceCheckUtils]: 5: Hoare triple {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:25,346 INFO L273 TraceCheckUtils]: 6: Hoare triple {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:25,346 INFO L273 TraceCheckUtils]: 7: Hoare triple {749#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:25,347 INFO L273 TraceCheckUtils]: 8: Hoare triple {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:25,348 INFO L273 TraceCheckUtils]: 9: Hoare triple {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:25,349 INFO L273 TraceCheckUtils]: 10: Hoare triple {750#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:25,350 INFO L273 TraceCheckUtils]: 11: Hoare triple {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:25,351 INFO L273 TraceCheckUtils]: 12: Hoare triple {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:25,352 INFO L273 TraceCheckUtils]: 13: Hoare triple {751#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:25,353 INFO L273 TraceCheckUtils]: 14: Hoare triple {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:25,354 INFO L273 TraceCheckUtils]: 15: Hoare triple {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:25,355 INFO L273 TraceCheckUtils]: 16: Hoare triple {752#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:25,356 INFO L273 TraceCheckUtils]: 17: Hoare triple {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:25,357 INFO L273 TraceCheckUtils]: 18: Hoare triple {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:25,359 INFO L273 TraceCheckUtils]: 19: Hoare triple {753#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {748#false} is VALID [2018-11-14 17:31:25,359 INFO L273 TraceCheckUtils]: 20: Hoare triple {748#false} assume true; {748#false} is VALID [2018-11-14 17:31:25,359 INFO L273 TraceCheckUtils]: 21: Hoare triple {748#false} assume !(~x~0 % 4294967296 < 268435455); {748#false} is VALID [2018-11-14 17:31:25,360 INFO L256 TraceCheckUtils]: 22: Hoare triple {748#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {748#false} is VALID [2018-11-14 17:31:25,360 INFO L273 TraceCheckUtils]: 23: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2018-11-14 17:31:25,360 INFO L273 TraceCheckUtils]: 24: Hoare triple {748#false} assume ~cond == 0; {748#false} is VALID [2018-11-14 17:31:25,361 INFO L273 TraceCheckUtils]: 25: Hoare triple {748#false} assume !false; {748#false} is VALID [2018-11-14 17:31:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:25,385 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:31:25,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2018-11-14 17:31:25,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-14 17:31:25,386 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:25,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-14 17:31:25,429 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:25,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-14 17:31:25,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-14 17:31:25,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-14 17:31:25,431 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states. [2018-11-14 17:31:25,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:25,753 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-11-14 17:31:25,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-14 17:31:25,753 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-14 17:31:25,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-14 17:31:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 43 transitions. [2018-11-14 17:31:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-14 17:31:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 43 transitions. [2018-11-14 17:31:25,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 43 transitions. [2018-11-14 17:31:25,826 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:25,828 INFO L225 Difference]: With dead ends: 43 [2018-11-14 17:31:25,829 INFO L226 Difference]: Without dead ends: 33 [2018-11-14 17:31:25,829 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-14 17:31:25,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-14 17:31:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-14 17:31:25,862 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:25,862 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2018-11-14 17:31:25,862 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-11-14 17:31:25,862 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-11-14 17:31:25,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:25,865 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-14 17:31:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-14 17:31:25,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:25,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:25,866 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-11-14 17:31:25,866 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-11-14 17:31:25,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:25,868 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-14 17:31:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-14 17:31:25,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:25,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:25,869 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:25,869 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-14 17:31:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-14 17:31:25,871 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 26 [2018-11-14 17:31:25,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:25,872 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-14 17:31:25,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-14 17:31:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-14 17:31:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-14 17:31:25,873 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:25,873 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:25,874 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:25,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:25,874 INFO L82 PathProgramCache]: Analyzing trace with hash 86905629, now seen corresponding path program 2 times [2018-11-14 17:31:25,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:25,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:25,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:25,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:31:25,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:26,435 INFO L256 TraceCheckUtils]: 0: Hoare triple {1006#true} call ULTIMATE.init(); {1006#true} is VALID [2018-11-14 17:31:26,435 INFO L273 TraceCheckUtils]: 1: Hoare triple {1006#true} assume true; {1006#true} is VALID [2018-11-14 17:31:26,436 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1006#true} {1006#true} #38#return; {1006#true} is VALID [2018-11-14 17:31:26,436 INFO L256 TraceCheckUtils]: 3: Hoare triple {1006#true} call #t~ret1 := main(); {1006#true} is VALID [2018-11-14 17:31:26,437 INFO L273 TraceCheckUtils]: 4: Hoare triple {1006#true} ~x~0 := 0; {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:26,438 INFO L273 TraceCheckUtils]: 5: Hoare triple {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:26,439 INFO L273 TraceCheckUtils]: 6: Hoare triple {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:26,440 INFO L273 TraceCheckUtils]: 7: Hoare triple {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:26,441 INFO L273 TraceCheckUtils]: 8: Hoare triple {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:26,442 INFO L273 TraceCheckUtils]: 9: Hoare triple {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:26,444 INFO L273 TraceCheckUtils]: 10: Hoare triple {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:26,445 INFO L273 TraceCheckUtils]: 11: Hoare triple {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:26,446 INFO L273 TraceCheckUtils]: 12: Hoare triple {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:26,447 INFO L273 TraceCheckUtils]: 13: Hoare triple {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:26,448 INFO L273 TraceCheckUtils]: 14: Hoare triple {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:26,449 INFO L273 TraceCheckUtils]: 15: Hoare triple {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:26,450 INFO L273 TraceCheckUtils]: 16: Hoare triple {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:26,452 INFO L273 TraceCheckUtils]: 17: Hoare triple {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:26,453 INFO L273 TraceCheckUtils]: 18: Hoare triple {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:26,454 INFO L273 TraceCheckUtils]: 19: Hoare triple {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:26,455 INFO L273 TraceCheckUtils]: 20: Hoare triple {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:26,456 INFO L273 TraceCheckUtils]: 21: Hoare triple {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:26,458 INFO L273 TraceCheckUtils]: 22: Hoare triple {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:26,458 INFO L273 TraceCheckUtils]: 23: Hoare triple {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:26,459 INFO L273 TraceCheckUtils]: 24: Hoare triple {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:26,461 INFO L273 TraceCheckUtils]: 25: Hoare triple {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1015#(and (<= main_~x~0 8) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:26,462 INFO L273 TraceCheckUtils]: 26: Hoare triple {1015#(and (<= main_~x~0 8) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {1015#(and (<= main_~x~0 8) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:26,463 INFO L273 TraceCheckUtils]: 27: Hoare triple {1015#(and (<= main_~x~0 8) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {1007#false} is VALID [2018-11-14 17:31:26,463 INFO L256 TraceCheckUtils]: 28: Hoare triple {1007#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {1007#false} is VALID [2018-11-14 17:31:26,464 INFO L273 TraceCheckUtils]: 29: Hoare triple {1007#false} ~cond := #in~cond; {1007#false} is VALID [2018-11-14 17:31:26,464 INFO L273 TraceCheckUtils]: 30: Hoare triple {1007#false} assume ~cond == 0; {1007#false} is VALID [2018-11-14 17:31:26,465 INFO L273 TraceCheckUtils]: 31: Hoare triple {1007#false} assume !false; {1007#false} is VALID [2018-11-14 17:31:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:26,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:26,469 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:26,479 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-14 17:31:26,497 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-14 17:31:26,498 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:31:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:26,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:26,704 INFO L256 TraceCheckUtils]: 0: Hoare triple {1006#true} call ULTIMATE.init(); {1006#true} is VALID [2018-11-14 17:31:26,704 INFO L273 TraceCheckUtils]: 1: Hoare triple {1006#true} assume true; {1006#true} is VALID [2018-11-14 17:31:26,705 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1006#true} {1006#true} #38#return; {1006#true} is VALID [2018-11-14 17:31:26,705 INFO L256 TraceCheckUtils]: 3: Hoare triple {1006#true} call #t~ret1 := main(); {1006#true} is VALID [2018-11-14 17:31:26,709 INFO L273 TraceCheckUtils]: 4: Hoare triple {1006#true} ~x~0 := 0; {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:26,710 INFO L273 TraceCheckUtils]: 5: Hoare triple {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:26,711 INFO L273 TraceCheckUtils]: 6: Hoare triple {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:26,712 INFO L273 TraceCheckUtils]: 7: Hoare triple {1008#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:26,712 INFO L273 TraceCheckUtils]: 8: Hoare triple {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:26,717 INFO L273 TraceCheckUtils]: 9: Hoare triple {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:26,718 INFO L273 TraceCheckUtils]: 10: Hoare triple {1009#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:26,718 INFO L273 TraceCheckUtils]: 11: Hoare triple {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:26,719 INFO L273 TraceCheckUtils]: 12: Hoare triple {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:26,720 INFO L273 TraceCheckUtils]: 13: Hoare triple {1010#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:26,721 INFO L273 TraceCheckUtils]: 14: Hoare triple {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:26,721 INFO L273 TraceCheckUtils]: 15: Hoare triple {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:26,723 INFO L273 TraceCheckUtils]: 16: Hoare triple {1011#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:26,724 INFO L273 TraceCheckUtils]: 17: Hoare triple {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:26,729 INFO L273 TraceCheckUtils]: 18: Hoare triple {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:26,735 INFO L273 TraceCheckUtils]: 19: Hoare triple {1012#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:26,735 INFO L273 TraceCheckUtils]: 20: Hoare triple {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:26,736 INFO L273 TraceCheckUtils]: 21: Hoare triple {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:26,737 INFO L273 TraceCheckUtils]: 22: Hoare triple {1013#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:26,737 INFO L273 TraceCheckUtils]: 23: Hoare triple {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:26,738 INFO L273 TraceCheckUtils]: 24: Hoare triple {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:26,739 INFO L273 TraceCheckUtils]: 25: Hoare triple {1014#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1094#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:26,740 INFO L273 TraceCheckUtils]: 26: Hoare triple {1094#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {1094#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:26,741 INFO L273 TraceCheckUtils]: 27: Hoare triple {1094#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !(~x~0 % 4294967296 < 268435455); {1007#false} is VALID [2018-11-14 17:31:26,741 INFO L256 TraceCheckUtils]: 28: Hoare triple {1007#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {1007#false} is VALID [2018-11-14 17:31:26,741 INFO L273 TraceCheckUtils]: 29: Hoare triple {1007#false} ~cond := #in~cond; {1007#false} is VALID [2018-11-14 17:31:26,742 INFO L273 TraceCheckUtils]: 30: Hoare triple {1007#false} assume ~cond == 0; {1007#false} is VALID [2018-11-14 17:31:26,742 INFO L273 TraceCheckUtils]: 31: Hoare triple {1007#false} assume !false; {1007#false} is VALID [2018-11-14 17:31:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:26,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:31:26,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2018-11-14 17:31:26,766 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-11-14 17:31:26,766 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:26,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2018-11-14 17:31:26,815 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:26,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-14 17:31:26,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-14 17:31:26,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-14 17:31:26,816 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 11 states. [2018-11-14 17:31:27,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:27,432 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-11-14 17:31:27,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-14 17:31:27,433 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-11-14 17:31:27,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-14 17:31:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2018-11-14 17:31:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-14 17:31:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2018-11-14 17:31:27,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 49 transitions. [2018-11-14 17:31:27,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:27,515 INFO L225 Difference]: With dead ends: 49 [2018-11-14 17:31:27,516 INFO L226 Difference]: Without dead ends: 39 [2018-11-14 17:31:27,516 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-14 17:31:27,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-14 17:31:27,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-14 17:31:27,629 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:27,629 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2018-11-14 17:31:27,629 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2018-11-14 17:31:27,629 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2018-11-14 17:31:27,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:27,630 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-11-14 17:31:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-11-14 17:31:27,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:27,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:27,632 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2018-11-14 17:31:27,632 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2018-11-14 17:31:27,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:27,634 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-11-14 17:31:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-11-14 17:31:27,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:27,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:27,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:27,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-14 17:31:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-11-14 17:31:27,637 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 32 [2018-11-14 17:31:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:27,638 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-11-14 17:31:27,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-14 17:31:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-11-14 17:31:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-14 17:31:27,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:27,640 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:27,640 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:27,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:27,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1973418045, now seen corresponding path program 3 times [2018-11-14 17:31:27,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:27,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:27,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:27,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:31:27,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:28,950 INFO L256 TraceCheckUtils]: 0: Hoare triple {1314#true} call ULTIMATE.init(); {1314#true} is VALID [2018-11-14 17:31:28,950 INFO L273 TraceCheckUtils]: 1: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:28,950 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1314#true} {1314#true} #38#return; {1314#true} is VALID [2018-11-14 17:31:28,951 INFO L256 TraceCheckUtils]: 3: Hoare triple {1314#true} call #t~ret1 := main(); {1314#true} is VALID [2018-11-14 17:31:28,951 INFO L273 TraceCheckUtils]: 4: Hoare triple {1314#true} ~x~0 := 0; {1316#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:28,952 INFO L273 TraceCheckUtils]: 5: Hoare triple {1316#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {1316#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:28,952 INFO L273 TraceCheckUtils]: 6: Hoare triple {1316#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1316#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:28,954 INFO L273 TraceCheckUtils]: 7: Hoare triple {1316#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1317#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:28,954 INFO L273 TraceCheckUtils]: 8: Hoare triple {1317#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {1317#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:28,955 INFO L273 TraceCheckUtils]: 9: Hoare triple {1317#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1317#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:28,957 INFO L273 TraceCheckUtils]: 10: Hoare triple {1317#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1318#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:28,958 INFO L273 TraceCheckUtils]: 11: Hoare triple {1318#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {1318#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:28,960 INFO L273 TraceCheckUtils]: 12: Hoare triple {1318#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {1318#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:28,961 INFO L273 TraceCheckUtils]: 13: Hoare triple {1318#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1319#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:28,963 INFO L273 TraceCheckUtils]: 14: Hoare triple {1319#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {1319#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:28,965 INFO L273 TraceCheckUtils]: 15: Hoare triple {1319#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1319#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:28,969 INFO L273 TraceCheckUtils]: 16: Hoare triple {1319#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1320#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:28,970 INFO L273 TraceCheckUtils]: 17: Hoare triple {1320#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {1320#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:28,971 INFO L273 TraceCheckUtils]: 18: Hoare triple {1320#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {1320#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:28,972 INFO L273 TraceCheckUtils]: 19: Hoare triple {1320#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1321#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:28,972 INFO L273 TraceCheckUtils]: 20: Hoare triple {1321#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {1321#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:28,973 INFO L273 TraceCheckUtils]: 21: Hoare triple {1321#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {1321#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:28,974 INFO L273 TraceCheckUtils]: 22: Hoare triple {1321#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1322#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:28,974 INFO L273 TraceCheckUtils]: 23: Hoare triple {1322#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {1322#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:28,975 INFO L273 TraceCheckUtils]: 24: Hoare triple {1322#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1322#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:28,982 INFO L273 TraceCheckUtils]: 25: Hoare triple {1322#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1323#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:28,983 INFO L273 TraceCheckUtils]: 26: Hoare triple {1323#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {1323#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:28,983 INFO L273 TraceCheckUtils]: 27: Hoare triple {1323#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1323#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:28,984 INFO L273 TraceCheckUtils]: 28: Hoare triple {1323#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1324#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:28,984 INFO L273 TraceCheckUtils]: 29: Hoare triple {1324#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {1324#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:28,985 INFO L273 TraceCheckUtils]: 30: Hoare triple {1324#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {1324#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:28,987 INFO L273 TraceCheckUtils]: 31: Hoare triple {1324#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1325#(and (<= main_~x~0 10) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:28,988 INFO L273 TraceCheckUtils]: 32: Hoare triple {1325#(and (<= main_~x~0 10) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {1325#(and (<= main_~x~0 10) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:28,989 INFO L273 TraceCheckUtils]: 33: Hoare triple {1325#(and (<= main_~x~0 10) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {1315#false} is VALID [2018-11-14 17:31:28,989 INFO L256 TraceCheckUtils]: 34: Hoare triple {1315#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {1315#false} is VALID [2018-11-14 17:31:28,990 INFO L273 TraceCheckUtils]: 35: Hoare triple {1315#false} ~cond := #in~cond; {1315#false} is VALID [2018-11-14 17:31:28,990 INFO L273 TraceCheckUtils]: 36: Hoare triple {1315#false} assume ~cond == 0; {1315#false} is VALID [2018-11-14 17:31:28,990 INFO L273 TraceCheckUtils]: 37: Hoare triple {1315#false} assume !false; {1315#false} is VALID [2018-11-14 17:31:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:28,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:28,996 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:29,012 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-14 17:31:29,034 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-14 17:31:29,034 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:31:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:29,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:29,231 INFO L256 TraceCheckUtils]: 0: Hoare triple {1314#true} call ULTIMATE.init(); {1314#true} is VALID [2018-11-14 17:31:29,232 INFO L273 TraceCheckUtils]: 1: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,232 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1314#true} {1314#true} #38#return; {1314#true} is VALID [2018-11-14 17:31:29,232 INFO L256 TraceCheckUtils]: 3: Hoare triple {1314#true} call #t~ret1 := main(); {1314#true} is VALID [2018-11-14 17:31:29,232 INFO L273 TraceCheckUtils]: 4: Hoare triple {1314#true} ~x~0 := 0; {1314#true} is VALID [2018-11-14 17:31:29,232 INFO L273 TraceCheckUtils]: 5: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,233 INFO L273 TraceCheckUtils]: 6: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,233 INFO L273 TraceCheckUtils]: 7: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,233 INFO L273 TraceCheckUtils]: 8: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,233 INFO L273 TraceCheckUtils]: 9: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,233 INFO L273 TraceCheckUtils]: 10: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,234 INFO L273 TraceCheckUtils]: 11: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,234 INFO L273 TraceCheckUtils]: 12: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,234 INFO L273 TraceCheckUtils]: 13: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,234 INFO L273 TraceCheckUtils]: 14: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,235 INFO L273 TraceCheckUtils]: 15: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,235 INFO L273 TraceCheckUtils]: 16: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,235 INFO L273 TraceCheckUtils]: 17: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,235 INFO L273 TraceCheckUtils]: 18: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,235 INFO L273 TraceCheckUtils]: 19: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,236 INFO L273 TraceCheckUtils]: 20: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,236 INFO L273 TraceCheckUtils]: 21: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,236 INFO L273 TraceCheckUtils]: 22: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,236 INFO L273 TraceCheckUtils]: 23: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,236 INFO L273 TraceCheckUtils]: 24: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,236 INFO L273 TraceCheckUtils]: 25: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1314#true} is VALID [2018-11-14 17:31:29,237 INFO L273 TraceCheckUtils]: 26: Hoare triple {1314#true} assume true; {1314#true} is VALID [2018-11-14 17:31:29,237 INFO L273 TraceCheckUtils]: 27: Hoare triple {1314#true} assume !!(~x~0 % 4294967296 < 268435455); {1314#true} is VALID [2018-11-14 17:31:29,238 INFO L273 TraceCheckUtils]: 28: Hoare triple {1314#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1413#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:31:29,238 INFO L273 TraceCheckUtils]: 29: Hoare triple {1413#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume true; {1413#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:31:29,239 INFO L273 TraceCheckUtils]: 30: Hoare triple {1413#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !!(~x~0 % 4294967296 < 268435455); {1413#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:31:29,241 INFO L273 TraceCheckUtils]: 31: Hoare triple {1413#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1423#(and (<= 65521 (mod (+ main_~x~0 4294967294) 4294967296)) (< (mod (+ main_~x~0 4294967293) 4294967296) 65521))} is VALID [2018-11-14 17:31:29,242 INFO L273 TraceCheckUtils]: 32: Hoare triple {1423#(and (<= 65521 (mod (+ main_~x~0 4294967294) 4294967296)) (< (mod (+ main_~x~0 4294967293) 4294967296) 65521))} assume true; {1423#(and (<= 65521 (mod (+ main_~x~0 4294967294) 4294967296)) (< (mod (+ main_~x~0 4294967293) 4294967296) 65521))} is VALID [2018-11-14 17:31:29,244 INFO L273 TraceCheckUtils]: 33: Hoare triple {1423#(and (<= 65521 (mod (+ main_~x~0 4294967294) 4294967296)) (< (mod (+ main_~x~0 4294967293) 4294967296) 65521))} assume !(~x~0 % 4294967296 < 268435455); {1315#false} is VALID [2018-11-14 17:31:29,244 INFO L256 TraceCheckUtils]: 34: Hoare triple {1315#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {1315#false} is VALID [2018-11-14 17:31:29,245 INFO L273 TraceCheckUtils]: 35: Hoare triple {1315#false} ~cond := #in~cond; {1315#false} is VALID [2018-11-14 17:31:29,245 INFO L273 TraceCheckUtils]: 36: Hoare triple {1315#false} assume ~cond == 0; {1315#false} is VALID [2018-11-14 17:31:29,246 INFO L273 TraceCheckUtils]: 37: Hoare triple {1315#false} assume !false; {1315#false} is VALID [2018-11-14 17:31:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-14 17:31:29,268 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:31:29,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4] total 14 [2018-11-14 17:31:29,269 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-11-14 17:31:29,270 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:29,270 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-14 17:31:29,429 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 17:31:29,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-14 17:31:29,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-14 17:31:29,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-14 17:31:29,430 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 14 states. [2018-11-14 17:31:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:32,343 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2018-11-14 17:31:32,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-14 17:31:32,343 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2018-11-14 17:31:32,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-14 17:31:32,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 64 transitions. [2018-11-14 17:31:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-14 17:31:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 64 transitions. [2018-11-14 17:31:32,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 64 transitions. [2018-11-14 17:31:32,476 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:32,478 INFO L225 Difference]: With dead ends: 59 [2018-11-14 17:31:32,478 INFO L226 Difference]: Without dead ends: 49 [2018-11-14 17:31:32,479 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-14 17:31:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-14 17:31:32,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-14 17:31:32,519 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:32,519 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2018-11-14 17:31:32,520 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2018-11-14 17:31:32,520 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2018-11-14 17:31:32,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:32,523 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2018-11-14 17:31:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-11-14 17:31:32,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:32,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:32,524 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2018-11-14 17:31:32,524 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2018-11-14 17:31:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:32,526 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2018-11-14 17:31:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-11-14 17:31:32,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:32,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:32,527 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:32,527 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-14 17:31:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2018-11-14 17:31:32,529 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 38 [2018-11-14 17:31:32,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:32,529 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2018-11-14 17:31:32,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-14 17:31:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-11-14 17:31:32,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-14 17:31:32,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:32,531 INFO L375 BasicCegarLoop]: trace histogram [13, 12, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:32,531 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:32,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:32,532 INFO L82 PathProgramCache]: Analyzing trace with hash 20842974, now seen corresponding path program 4 times [2018-11-14 17:31:32,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:32,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:32,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:32,533 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:31:32,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:33,245 INFO L256 TraceCheckUtils]: 0: Hoare triple {1691#true} call ULTIMATE.init(); {1691#true} is VALID [2018-11-14 17:31:33,246 INFO L273 TraceCheckUtils]: 1: Hoare triple {1691#true} assume true; {1691#true} is VALID [2018-11-14 17:31:33,246 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1691#true} {1691#true} #38#return; {1691#true} is VALID [2018-11-14 17:31:33,246 INFO L256 TraceCheckUtils]: 3: Hoare triple {1691#true} call #t~ret1 := main(); {1691#true} is VALID [2018-11-14 17:31:33,247 INFO L273 TraceCheckUtils]: 4: Hoare triple {1691#true} ~x~0 := 0; {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:33,248 INFO L273 TraceCheckUtils]: 5: Hoare triple {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:33,249 INFO L273 TraceCheckUtils]: 6: Hoare triple {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:33,249 INFO L273 TraceCheckUtils]: 7: Hoare triple {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:33,250 INFO L273 TraceCheckUtils]: 8: Hoare triple {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:33,250 INFO L273 TraceCheckUtils]: 9: Hoare triple {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:33,251 INFO L273 TraceCheckUtils]: 10: Hoare triple {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:33,252 INFO L273 TraceCheckUtils]: 11: Hoare triple {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:33,253 INFO L273 TraceCheckUtils]: 12: Hoare triple {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:33,254 INFO L273 TraceCheckUtils]: 13: Hoare triple {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:33,255 INFO L273 TraceCheckUtils]: 14: Hoare triple {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:33,256 INFO L273 TraceCheckUtils]: 15: Hoare triple {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:33,257 INFO L273 TraceCheckUtils]: 16: Hoare triple {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:33,258 INFO L273 TraceCheckUtils]: 17: Hoare triple {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:33,258 INFO L273 TraceCheckUtils]: 18: Hoare triple {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:33,259 INFO L273 TraceCheckUtils]: 19: Hoare triple {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:33,260 INFO L273 TraceCheckUtils]: 20: Hoare triple {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:33,261 INFO L273 TraceCheckUtils]: 21: Hoare triple {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:33,262 INFO L273 TraceCheckUtils]: 22: Hoare triple {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:33,263 INFO L273 TraceCheckUtils]: 23: Hoare triple {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:33,264 INFO L273 TraceCheckUtils]: 24: Hoare triple {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:33,265 INFO L273 TraceCheckUtils]: 25: Hoare triple {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:33,265 INFO L273 TraceCheckUtils]: 26: Hoare triple {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:33,266 INFO L273 TraceCheckUtils]: 27: Hoare triple {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:33,267 INFO L273 TraceCheckUtils]: 28: Hoare triple {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:33,268 INFO L273 TraceCheckUtils]: 29: Hoare triple {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:33,269 INFO L273 TraceCheckUtils]: 30: Hoare triple {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:33,270 INFO L273 TraceCheckUtils]: 31: Hoare triple {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:33,276 INFO L273 TraceCheckUtils]: 32: Hoare triple {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:33,277 INFO L273 TraceCheckUtils]: 33: Hoare triple {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:33,278 INFO L273 TraceCheckUtils]: 34: Hoare triple {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:33,278 INFO L273 TraceCheckUtils]: 35: Hoare triple {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:33,279 INFO L273 TraceCheckUtils]: 36: Hoare triple {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:33,280 INFO L273 TraceCheckUtils]: 37: Hoare triple {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1704#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:31:33,280 INFO L273 TraceCheckUtils]: 38: Hoare triple {1704#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {1704#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:31:33,281 INFO L273 TraceCheckUtils]: 39: Hoare triple {1704#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1704#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:31:33,281 INFO L273 TraceCheckUtils]: 40: Hoare triple {1704#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1705#(and (<= main_~x~0 14) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:33,282 INFO L273 TraceCheckUtils]: 41: Hoare triple {1705#(and (<= main_~x~0 14) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {1705#(and (<= main_~x~0 14) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:33,283 INFO L273 TraceCheckUtils]: 42: Hoare triple {1705#(and (<= main_~x~0 14) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {1692#false} is VALID [2018-11-14 17:31:33,283 INFO L256 TraceCheckUtils]: 43: Hoare triple {1692#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {1692#false} is VALID [2018-11-14 17:31:33,284 INFO L273 TraceCheckUtils]: 44: Hoare triple {1692#false} ~cond := #in~cond; {1692#false} is VALID [2018-11-14 17:31:33,284 INFO L273 TraceCheckUtils]: 45: Hoare triple {1692#false} assume ~cond == 0; {1692#false} is VALID [2018-11-14 17:31:33,284 INFO L273 TraceCheckUtils]: 46: Hoare triple {1692#false} assume !false; {1692#false} is VALID [2018-11-14 17:31:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:33,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:33,289 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:33,305 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-14 17:31:33,351 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-14 17:31:33,351 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:31:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:33,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:31:33,745 INFO L256 TraceCheckUtils]: 0: Hoare triple {1691#true} call ULTIMATE.init(); {1691#true} is VALID [2018-11-14 17:31:33,745 INFO L273 TraceCheckUtils]: 1: Hoare triple {1691#true} assume true; {1691#true} is VALID [2018-11-14 17:31:33,746 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1691#true} {1691#true} #38#return; {1691#true} is VALID [2018-11-14 17:31:33,746 INFO L256 TraceCheckUtils]: 3: Hoare triple {1691#true} call #t~ret1 := main(); {1691#true} is VALID [2018-11-14 17:31:33,747 INFO L273 TraceCheckUtils]: 4: Hoare triple {1691#true} ~x~0 := 0; {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:33,747 INFO L273 TraceCheckUtils]: 5: Hoare triple {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:33,749 INFO L273 TraceCheckUtils]: 6: Hoare triple {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:33,750 INFO L273 TraceCheckUtils]: 7: Hoare triple {1693#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:33,752 INFO L273 TraceCheckUtils]: 8: Hoare triple {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:33,753 INFO L273 TraceCheckUtils]: 9: Hoare triple {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:33,754 INFO L273 TraceCheckUtils]: 10: Hoare triple {1694#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:33,755 INFO L273 TraceCheckUtils]: 11: Hoare triple {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:33,756 INFO L273 TraceCheckUtils]: 12: Hoare triple {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:33,757 INFO L273 TraceCheckUtils]: 13: Hoare triple {1695#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:33,758 INFO L273 TraceCheckUtils]: 14: Hoare triple {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:33,759 INFO L273 TraceCheckUtils]: 15: Hoare triple {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:33,760 INFO L273 TraceCheckUtils]: 16: Hoare triple {1696#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:33,762 INFO L273 TraceCheckUtils]: 17: Hoare triple {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:33,764 INFO L273 TraceCheckUtils]: 18: Hoare triple {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:33,768 INFO L273 TraceCheckUtils]: 19: Hoare triple {1697#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:33,769 INFO L273 TraceCheckUtils]: 20: Hoare triple {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:33,769 INFO L273 TraceCheckUtils]: 21: Hoare triple {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:33,772 INFO L273 TraceCheckUtils]: 22: Hoare triple {1698#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:33,773 INFO L273 TraceCheckUtils]: 23: Hoare triple {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:33,773 INFO L273 TraceCheckUtils]: 24: Hoare triple {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:33,774 INFO L273 TraceCheckUtils]: 25: Hoare triple {1699#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:33,774 INFO L273 TraceCheckUtils]: 26: Hoare triple {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:33,775 INFO L273 TraceCheckUtils]: 27: Hoare triple {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:33,776 INFO L273 TraceCheckUtils]: 28: Hoare triple {1700#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:33,776 INFO L273 TraceCheckUtils]: 29: Hoare triple {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:33,777 INFO L273 TraceCheckUtils]: 30: Hoare triple {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:33,778 INFO L273 TraceCheckUtils]: 31: Hoare triple {1701#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:33,779 INFO L273 TraceCheckUtils]: 32: Hoare triple {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:33,780 INFO L273 TraceCheckUtils]: 33: Hoare triple {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:33,781 INFO L273 TraceCheckUtils]: 34: Hoare triple {1702#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:33,782 INFO L273 TraceCheckUtils]: 35: Hoare triple {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:33,783 INFO L273 TraceCheckUtils]: 36: Hoare triple {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:33,784 INFO L273 TraceCheckUtils]: 37: Hoare triple {1703#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1692#false} is VALID [2018-11-14 17:31:33,784 INFO L273 TraceCheckUtils]: 38: Hoare triple {1692#false} assume true; {1692#false} is VALID [2018-11-14 17:31:33,785 INFO L273 TraceCheckUtils]: 39: Hoare triple {1692#false} assume !!(~x~0 % 4294967296 < 268435455); {1692#false} is VALID [2018-11-14 17:31:33,785 INFO L273 TraceCheckUtils]: 40: Hoare triple {1692#false} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {1692#false} is VALID [2018-11-14 17:31:33,785 INFO L273 TraceCheckUtils]: 41: Hoare triple {1692#false} assume true; {1692#false} is VALID [2018-11-14 17:31:33,785 INFO L273 TraceCheckUtils]: 42: Hoare triple {1692#false} assume !(~x~0 % 4294967296 < 268435455); {1692#false} is VALID [2018-11-14 17:31:33,785 INFO L256 TraceCheckUtils]: 43: Hoare triple {1692#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {1692#false} is VALID [2018-11-14 17:31:33,786 INFO L273 TraceCheckUtils]: 44: Hoare triple {1692#false} ~cond := #in~cond; {1692#false} is VALID [2018-11-14 17:31:33,786 INFO L273 TraceCheckUtils]: 45: Hoare triple {1692#false} assume ~cond == 0; {1692#false} is VALID [2018-11-14 17:31:33,786 INFO L273 TraceCheckUtils]: 46: Hoare triple {1692#false} assume !false; {1692#false} is VALID [2018-11-14 17:31:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 55 proven. 165 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-14 17:31:33,811 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:31:33,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 15 [2018-11-14 17:31:33,812 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-11-14 17:31:33,812 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:31:33,812 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-11-14 17:31:33,887 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:33,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-14 17:31:33,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-14 17:31:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-11-14 17:31:33,888 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 15 states. [2018-11-14 17:31:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:34,984 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2018-11-14 17:31:34,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-14 17:31:34,984 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2018-11-14 17:31:34,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:31:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:31:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 61 transitions. [2018-11-14 17:31:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:31:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 61 transitions. [2018-11-14 17:31:34,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 61 transitions. [2018-11-14 17:31:35,082 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:31:35,084 INFO L225 Difference]: With dead ends: 69 [2018-11-14 17:31:35,084 INFO L226 Difference]: Without dead ends: 55 [2018-11-14 17:31:35,085 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-11-14 17:31:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-14 17:31:35,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-14 17:31:35,141 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:31:35,141 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2018-11-14 17:31:35,141 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2018-11-14 17:31:35,141 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2018-11-14 17:31:35,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:35,145 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-11-14 17:31:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-14 17:31:35,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:35,145 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:35,145 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2018-11-14 17:31:35,146 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2018-11-14 17:31:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:31:35,148 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-11-14 17:31:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-14 17:31:35,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:31:35,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:31:35,149 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:31:35,149 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:31:35,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-14 17:31:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-11-14 17:31:35,151 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 47 [2018-11-14 17:31:35,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:31:35,152 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-11-14 17:31:35,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-14 17:31:35,152 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-14 17:31:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-14 17:31:35,153 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:31:35,153 INFO L375 BasicCegarLoop]: trace histogram [15, 14, 12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:31:35,154 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:31:35,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:31:35,154 INFO L82 PathProgramCache]: Analyzing trace with hash 778125502, now seen corresponding path program 5 times [2018-11-14 17:31:35,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:31:35,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:31:35,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:35,155 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:31:35,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:31:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:31:35,653 INFO L256 TraceCheckUtils]: 0: Hoare triple {2127#true} call ULTIMATE.init(); {2127#true} is VALID [2018-11-14 17:31:35,653 INFO L273 TraceCheckUtils]: 1: Hoare triple {2127#true} assume true; {2127#true} is VALID [2018-11-14 17:31:35,653 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {2127#true} {2127#true} #38#return; {2127#true} is VALID [2018-11-14 17:31:35,653 INFO L256 TraceCheckUtils]: 3: Hoare triple {2127#true} call #t~ret1 := main(); {2127#true} is VALID [2018-11-14 17:31:35,654 INFO L273 TraceCheckUtils]: 4: Hoare triple {2127#true} ~x~0 := 0; {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:35,654 INFO L273 TraceCheckUtils]: 5: Hoare triple {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:35,655 INFO L273 TraceCheckUtils]: 6: Hoare triple {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:31:35,656 INFO L273 TraceCheckUtils]: 7: Hoare triple {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:35,656 INFO L273 TraceCheckUtils]: 8: Hoare triple {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:35,657 INFO L273 TraceCheckUtils]: 9: Hoare triple {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:31:35,657 INFO L273 TraceCheckUtils]: 10: Hoare triple {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:35,658 INFO L273 TraceCheckUtils]: 11: Hoare triple {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:35,659 INFO L273 TraceCheckUtils]: 12: Hoare triple {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:31:35,660 INFO L273 TraceCheckUtils]: 13: Hoare triple {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:35,661 INFO L273 TraceCheckUtils]: 14: Hoare triple {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:35,661 INFO L273 TraceCheckUtils]: 15: Hoare triple {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:31:35,663 INFO L273 TraceCheckUtils]: 16: Hoare triple {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:35,663 INFO L273 TraceCheckUtils]: 17: Hoare triple {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:35,664 INFO L273 TraceCheckUtils]: 18: Hoare triple {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:31:35,665 INFO L273 TraceCheckUtils]: 19: Hoare triple {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:35,666 INFO L273 TraceCheckUtils]: 20: Hoare triple {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:35,667 INFO L273 TraceCheckUtils]: 21: Hoare triple {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:31:35,668 INFO L273 TraceCheckUtils]: 22: Hoare triple {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:35,669 INFO L273 TraceCheckUtils]: 23: Hoare triple {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:35,669 INFO L273 TraceCheckUtils]: 24: Hoare triple {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:31:35,670 INFO L273 TraceCheckUtils]: 25: Hoare triple {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:35,671 INFO L273 TraceCheckUtils]: 26: Hoare triple {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:35,672 INFO L273 TraceCheckUtils]: 27: Hoare triple {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:31:35,673 INFO L273 TraceCheckUtils]: 28: Hoare triple {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:35,674 INFO L273 TraceCheckUtils]: 29: Hoare triple {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:35,675 INFO L273 TraceCheckUtils]: 30: Hoare triple {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:31:35,676 INFO L273 TraceCheckUtils]: 31: Hoare triple {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:35,676 INFO L273 TraceCheckUtils]: 32: Hoare triple {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:35,677 INFO L273 TraceCheckUtils]: 33: Hoare triple {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:31:35,678 INFO L273 TraceCheckUtils]: 34: Hoare triple {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:35,679 INFO L273 TraceCheckUtils]: 35: Hoare triple {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:35,680 INFO L273 TraceCheckUtils]: 36: Hoare triple {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:31:35,681 INFO L273 TraceCheckUtils]: 37: Hoare triple {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:31:35,681 INFO L273 TraceCheckUtils]: 38: Hoare triple {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:31:35,682 INFO L273 TraceCheckUtils]: 39: Hoare triple {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:31:35,683 INFO L273 TraceCheckUtils]: 40: Hoare triple {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:31:35,684 INFO L273 TraceCheckUtils]: 41: Hoare triple {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:31:35,685 INFO L273 TraceCheckUtils]: 42: Hoare triple {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:31:35,686 INFO L273 TraceCheckUtils]: 43: Hoare triple {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:31:35,687 INFO L273 TraceCheckUtils]: 44: Hoare triple {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:31:35,687 INFO L273 TraceCheckUtils]: 45: Hoare triple {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:31:35,689 INFO L273 TraceCheckUtils]: 46: Hoare triple {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2143#(and (<= main_~x~0 16) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:35,689 INFO L273 TraceCheckUtils]: 47: Hoare triple {2143#(and (<= main_~x~0 16) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {2143#(and (<= main_~x~0 16) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:31:35,690 INFO L273 TraceCheckUtils]: 48: Hoare triple {2143#(and (<= main_~x~0 16) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {2128#false} is VALID [2018-11-14 17:31:35,691 INFO L256 TraceCheckUtils]: 49: Hoare triple {2128#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {2128#false} is VALID [2018-11-14 17:31:35,691 INFO L273 TraceCheckUtils]: 50: Hoare triple {2128#false} ~cond := #in~cond; {2128#false} is VALID [2018-11-14 17:31:35,691 INFO L273 TraceCheckUtils]: 51: Hoare triple {2128#false} assume ~cond == 0; {2128#false} is VALID [2018-11-14 17:31:35,692 INFO L273 TraceCheckUtils]: 52: Hoare triple {2128#false} assume !false; {2128#false} is VALID [2018-11-14 17:31:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:31:35,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:31:35,698 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:31:35,708 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-14 17:32:02,255 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2018-11-14 17:32:02,256 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:32:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:02,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:32:02,669 INFO L256 TraceCheckUtils]: 0: Hoare triple {2127#true} call ULTIMATE.init(); {2127#true} is VALID [2018-11-14 17:32:02,670 INFO L273 TraceCheckUtils]: 1: Hoare triple {2127#true} assume true; {2127#true} is VALID [2018-11-14 17:32:02,670 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {2127#true} {2127#true} #38#return; {2127#true} is VALID [2018-11-14 17:32:02,670 INFO L256 TraceCheckUtils]: 3: Hoare triple {2127#true} call #t~ret1 := main(); {2127#true} is VALID [2018-11-14 17:32:02,671 INFO L273 TraceCheckUtils]: 4: Hoare triple {2127#true} ~x~0 := 0; {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:02,672 INFO L273 TraceCheckUtils]: 5: Hoare triple {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:02,672 INFO L273 TraceCheckUtils]: 6: Hoare triple {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:02,673 INFO L273 TraceCheckUtils]: 7: Hoare triple {2129#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:02,673 INFO L273 TraceCheckUtils]: 8: Hoare triple {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:02,674 INFO L273 TraceCheckUtils]: 9: Hoare triple {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:02,674 INFO L273 TraceCheckUtils]: 10: Hoare triple {2130#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:02,675 INFO L273 TraceCheckUtils]: 11: Hoare triple {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:02,676 INFO L273 TraceCheckUtils]: 12: Hoare triple {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:02,677 INFO L273 TraceCheckUtils]: 13: Hoare triple {2131#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:02,678 INFO L273 TraceCheckUtils]: 14: Hoare triple {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:02,679 INFO L273 TraceCheckUtils]: 15: Hoare triple {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:02,680 INFO L273 TraceCheckUtils]: 16: Hoare triple {2132#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:02,680 INFO L273 TraceCheckUtils]: 17: Hoare triple {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:02,681 INFO L273 TraceCheckUtils]: 18: Hoare triple {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:02,682 INFO L273 TraceCheckUtils]: 19: Hoare triple {2133#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:02,683 INFO L273 TraceCheckUtils]: 20: Hoare triple {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:02,684 INFO L273 TraceCheckUtils]: 21: Hoare triple {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:02,685 INFO L273 TraceCheckUtils]: 22: Hoare triple {2134#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:02,686 INFO L273 TraceCheckUtils]: 23: Hoare triple {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:02,686 INFO L273 TraceCheckUtils]: 24: Hoare triple {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:02,687 INFO L273 TraceCheckUtils]: 25: Hoare triple {2135#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:02,688 INFO L273 TraceCheckUtils]: 26: Hoare triple {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:02,689 INFO L273 TraceCheckUtils]: 27: Hoare triple {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:02,690 INFO L273 TraceCheckUtils]: 28: Hoare triple {2136#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:02,691 INFO L273 TraceCheckUtils]: 29: Hoare triple {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:02,692 INFO L273 TraceCheckUtils]: 30: Hoare triple {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:02,693 INFO L273 TraceCheckUtils]: 31: Hoare triple {2137#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:02,693 INFO L273 TraceCheckUtils]: 32: Hoare triple {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:02,694 INFO L273 TraceCheckUtils]: 33: Hoare triple {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:02,695 INFO L273 TraceCheckUtils]: 34: Hoare triple {2138#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:02,696 INFO L273 TraceCheckUtils]: 35: Hoare triple {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:02,697 INFO L273 TraceCheckUtils]: 36: Hoare triple {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:02,698 INFO L273 TraceCheckUtils]: 37: Hoare triple {2139#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:02,699 INFO L273 TraceCheckUtils]: 38: Hoare triple {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:02,699 INFO L273 TraceCheckUtils]: 39: Hoare triple {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:02,700 INFO L273 TraceCheckUtils]: 40: Hoare triple {2140#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:02,701 INFO L273 TraceCheckUtils]: 41: Hoare triple {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:02,702 INFO L273 TraceCheckUtils]: 42: Hoare triple {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:02,703 INFO L273 TraceCheckUtils]: 43: Hoare triple {2141#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:02,704 INFO L273 TraceCheckUtils]: 44: Hoare triple {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:02,704 INFO L273 TraceCheckUtils]: 45: Hoare triple {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:02,705 INFO L273 TraceCheckUtils]: 46: Hoare triple {2142#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2285#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:02,706 INFO L273 TraceCheckUtils]: 47: Hoare triple {2285#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {2285#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:02,707 INFO L273 TraceCheckUtils]: 48: Hoare triple {2285#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !(~x~0 % 4294967296 < 268435455); {2128#false} is VALID [2018-11-14 17:32:02,707 INFO L256 TraceCheckUtils]: 49: Hoare triple {2128#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {2128#false} is VALID [2018-11-14 17:32:02,708 INFO L273 TraceCheckUtils]: 50: Hoare triple {2128#false} ~cond := #in~cond; {2128#false} is VALID [2018-11-14 17:32:02,708 INFO L273 TraceCheckUtils]: 51: Hoare triple {2128#false} assume ~cond == 0; {2128#false} is VALID [2018-11-14 17:32:02,709 INFO L273 TraceCheckUtils]: 52: Hoare triple {2128#false} assume !false; {2128#false} is VALID [2018-11-14 17:32:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:02,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:32:02,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2018-11-14 17:32:02,723 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 53 [2018-11-14 17:32:02,723 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:32:02,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states. [2018-11-14 17:32:02,816 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:02,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-14 17:32:02,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-14 17:32:02,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-11-14 17:32:02,817 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 18 states. [2018-11-14 17:32:04,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:04,435 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2018-11-14 17:32:04,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-14 17:32:04,435 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 53 [2018-11-14 17:32:04,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:32:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-14 17:32:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 67 transitions. [2018-11-14 17:32:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-14 17:32:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 67 transitions. [2018-11-14 17:32:04,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 67 transitions. [2018-11-14 17:32:04,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:04,564 INFO L225 Difference]: With dead ends: 75 [2018-11-14 17:32:04,564 INFO L226 Difference]: Without dead ends: 61 [2018-11-14 17:32:04,565 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-11-14 17:32:04,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-14 17:32:04,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-14 17:32:04,626 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:32:04,626 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2018-11-14 17:32:04,626 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2018-11-14 17:32:04,627 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2018-11-14 17:32:04,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:04,629 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-14 17:32:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-14 17:32:04,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:04,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:04,630 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2018-11-14 17:32:04,630 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2018-11-14 17:32:04,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:04,632 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-14 17:32:04,632 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-14 17:32:04,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:04,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:04,632 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:32:04,632 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:32:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-14 17:32:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2018-11-14 17:32:04,634 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 53 [2018-11-14 17:32:04,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:32:04,634 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2018-11-14 17:32:04,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-14 17:32:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-14 17:32:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-14 17:32:04,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:32:04,636 INFO L375 BasicCegarLoop]: trace histogram [17, 16, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:32:04,636 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:32:04,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:32:04,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1892167778, now seen corresponding path program 6 times [2018-11-14 17:32:04,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:32:04,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:32:04,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:04,638 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:32:04,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:05,576 INFO L256 TraceCheckUtils]: 0: Hoare triple {2612#true} call ULTIMATE.init(); {2612#true} is VALID [2018-11-14 17:32:05,577 INFO L273 TraceCheckUtils]: 1: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,577 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {2612#true} {2612#true} #38#return; {2612#true} is VALID [2018-11-14 17:32:05,577 INFO L256 TraceCheckUtils]: 3: Hoare triple {2612#true} call #t~ret1 := main(); {2612#true} is VALID [2018-11-14 17:32:05,578 INFO L273 TraceCheckUtils]: 4: Hoare triple {2612#true} ~x~0 := 0; {2614#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:05,579 INFO L273 TraceCheckUtils]: 5: Hoare triple {2614#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {2614#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:05,579 INFO L273 TraceCheckUtils]: 6: Hoare triple {2614#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2614#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:05,580 INFO L273 TraceCheckUtils]: 7: Hoare triple {2614#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2615#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:05,581 INFO L273 TraceCheckUtils]: 8: Hoare triple {2615#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {2615#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:05,581 INFO L273 TraceCheckUtils]: 9: Hoare triple {2615#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2615#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:05,582 INFO L273 TraceCheckUtils]: 10: Hoare triple {2615#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2616#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:05,583 INFO L273 TraceCheckUtils]: 11: Hoare triple {2616#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {2616#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:05,584 INFO L273 TraceCheckUtils]: 12: Hoare triple {2616#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {2616#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:05,585 INFO L273 TraceCheckUtils]: 13: Hoare triple {2616#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2617#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:05,586 INFO L273 TraceCheckUtils]: 14: Hoare triple {2617#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {2617#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:05,587 INFO L273 TraceCheckUtils]: 15: Hoare triple {2617#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2617#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:05,588 INFO L273 TraceCheckUtils]: 16: Hoare triple {2617#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2618#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:05,589 INFO L273 TraceCheckUtils]: 17: Hoare triple {2618#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {2618#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:05,589 INFO L273 TraceCheckUtils]: 18: Hoare triple {2618#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {2618#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:05,591 INFO L273 TraceCheckUtils]: 19: Hoare triple {2618#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2619#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:05,591 INFO L273 TraceCheckUtils]: 20: Hoare triple {2619#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {2619#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:05,592 INFO L273 TraceCheckUtils]: 21: Hoare triple {2619#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {2619#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:05,593 INFO L273 TraceCheckUtils]: 22: Hoare triple {2619#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2620#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:05,594 INFO L273 TraceCheckUtils]: 23: Hoare triple {2620#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {2620#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:05,595 INFO L273 TraceCheckUtils]: 24: Hoare triple {2620#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2620#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:05,596 INFO L273 TraceCheckUtils]: 25: Hoare triple {2620#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2621#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:05,597 INFO L273 TraceCheckUtils]: 26: Hoare triple {2621#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {2621#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:05,598 INFO L273 TraceCheckUtils]: 27: Hoare triple {2621#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2621#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:05,599 INFO L273 TraceCheckUtils]: 28: Hoare triple {2621#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2622#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:05,600 INFO L273 TraceCheckUtils]: 29: Hoare triple {2622#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {2622#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:05,601 INFO L273 TraceCheckUtils]: 30: Hoare triple {2622#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {2622#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:05,602 INFO L273 TraceCheckUtils]: 31: Hoare triple {2622#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2623#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:05,603 INFO L273 TraceCheckUtils]: 32: Hoare triple {2623#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {2623#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:05,604 INFO L273 TraceCheckUtils]: 33: Hoare triple {2623#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {2623#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:05,605 INFO L273 TraceCheckUtils]: 34: Hoare triple {2623#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2624#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:05,606 INFO L273 TraceCheckUtils]: 35: Hoare triple {2624#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {2624#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:05,607 INFO L273 TraceCheckUtils]: 36: Hoare triple {2624#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2624#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:05,608 INFO L273 TraceCheckUtils]: 37: Hoare triple {2624#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2625#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:05,608 INFO L273 TraceCheckUtils]: 38: Hoare triple {2625#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {2625#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:05,609 INFO L273 TraceCheckUtils]: 39: Hoare triple {2625#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {2625#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:05,610 INFO L273 TraceCheckUtils]: 40: Hoare triple {2625#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2626#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:05,611 INFO L273 TraceCheckUtils]: 41: Hoare triple {2626#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {2626#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:05,612 INFO L273 TraceCheckUtils]: 42: Hoare triple {2626#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2626#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:05,613 INFO L273 TraceCheckUtils]: 43: Hoare triple {2626#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2627#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:05,614 INFO L273 TraceCheckUtils]: 44: Hoare triple {2627#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {2627#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:05,615 INFO L273 TraceCheckUtils]: 45: Hoare triple {2627#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2627#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:05,616 INFO L273 TraceCheckUtils]: 46: Hoare triple {2627#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2628#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:05,617 INFO L273 TraceCheckUtils]: 47: Hoare triple {2628#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {2628#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:05,618 INFO L273 TraceCheckUtils]: 48: Hoare triple {2628#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2628#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:05,619 INFO L273 TraceCheckUtils]: 49: Hoare triple {2628#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2629#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:05,620 INFO L273 TraceCheckUtils]: 50: Hoare triple {2629#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {2629#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:05,621 INFO L273 TraceCheckUtils]: 51: Hoare triple {2629#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {2629#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:05,622 INFO L273 TraceCheckUtils]: 52: Hoare triple {2629#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2630#(and (<= main_~x~0 18) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:05,623 INFO L273 TraceCheckUtils]: 53: Hoare triple {2630#(and (<= main_~x~0 18) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {2630#(and (<= main_~x~0 18) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:05,624 INFO L273 TraceCheckUtils]: 54: Hoare triple {2630#(and (<= main_~x~0 18) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {2613#false} is VALID [2018-11-14 17:32:05,624 INFO L256 TraceCheckUtils]: 55: Hoare triple {2613#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {2613#false} is VALID [2018-11-14 17:32:05,625 INFO L273 TraceCheckUtils]: 56: Hoare triple {2613#false} ~cond := #in~cond; {2613#false} is VALID [2018-11-14 17:32:05,625 INFO L273 TraceCheckUtils]: 57: Hoare triple {2613#false} assume ~cond == 0; {2613#false} is VALID [2018-11-14 17:32:05,625 INFO L273 TraceCheckUtils]: 58: Hoare triple {2613#false} assume !false; {2613#false} is VALID [2018-11-14 17:32:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:05,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:32:05,634 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:32:05,644 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-14 17:32:05,700 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2018-11-14 17:32:05,701 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:32:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:05,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:32:05,927 INFO L256 TraceCheckUtils]: 0: Hoare triple {2612#true} call ULTIMATE.init(); {2612#true} is VALID [2018-11-14 17:32:05,928 INFO L273 TraceCheckUtils]: 1: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,928 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {2612#true} {2612#true} #38#return; {2612#true} is VALID [2018-11-14 17:32:05,928 INFO L256 TraceCheckUtils]: 3: Hoare triple {2612#true} call #t~ret1 := main(); {2612#true} is VALID [2018-11-14 17:32:05,928 INFO L273 TraceCheckUtils]: 4: Hoare triple {2612#true} ~x~0 := 0; {2612#true} is VALID [2018-11-14 17:32:05,929 INFO L273 TraceCheckUtils]: 5: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,929 INFO L273 TraceCheckUtils]: 6: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,929 INFO L273 TraceCheckUtils]: 7: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,929 INFO L273 TraceCheckUtils]: 8: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,929 INFO L273 TraceCheckUtils]: 9: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,930 INFO L273 TraceCheckUtils]: 10: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,930 INFO L273 TraceCheckUtils]: 11: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,930 INFO L273 TraceCheckUtils]: 12: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,930 INFO L273 TraceCheckUtils]: 13: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,930 INFO L273 TraceCheckUtils]: 14: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 15: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 16: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 17: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 18: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 19: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 20: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 21: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,931 INFO L273 TraceCheckUtils]: 22: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 23: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 24: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 25: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 26: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 27: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 28: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 29: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,932 INFO L273 TraceCheckUtils]: 30: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 31: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 32: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 33: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 34: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 35: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 36: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,933 INFO L273 TraceCheckUtils]: 37: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 38: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 39: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 40: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 41: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 42: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 43: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 44: Hoare triple {2612#true} assume true; {2612#true} is VALID [2018-11-14 17:32:05,934 INFO L273 TraceCheckUtils]: 45: Hoare triple {2612#true} assume !!(~x~0 % 4294967296 < 268435455); {2612#true} is VALID [2018-11-14 17:32:05,935 INFO L273 TraceCheckUtils]: 46: Hoare triple {2612#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {2772#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,936 INFO L273 TraceCheckUtils]: 47: Hoare triple {2772#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume true; {2772#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,936 INFO L273 TraceCheckUtils]: 48: Hoare triple {2772#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !!(~x~0 % 4294967296 < 268435455); {2772#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,937 INFO L273 TraceCheckUtils]: 49: Hoare triple {2772#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2782#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,937 INFO L273 TraceCheckUtils]: 50: Hoare triple {2782#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} assume true; {2782#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,938 INFO L273 TraceCheckUtils]: 51: Hoare triple {2782#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} assume !!(~x~0 % 4294967296 < 268435455); {2782#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,939 INFO L273 TraceCheckUtils]: 52: Hoare triple {2782#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {2792#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,939 INFO L273 TraceCheckUtils]: 53: Hoare triple {2792#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} assume true; {2792#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} is VALID [2018-11-14 17:32:05,940 INFO L273 TraceCheckUtils]: 54: Hoare triple {2792#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 268435455); {2613#false} is VALID [2018-11-14 17:32:05,941 INFO L256 TraceCheckUtils]: 55: Hoare triple {2613#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {2613#false} is VALID [2018-11-14 17:32:05,941 INFO L273 TraceCheckUtils]: 56: Hoare triple {2613#false} ~cond := #in~cond; {2613#false} is VALID [2018-11-14 17:32:05,941 INFO L273 TraceCheckUtils]: 57: Hoare triple {2613#false} assume ~cond == 0; {2613#false} is VALID [2018-11-14 17:32:05,941 INFO L273 TraceCheckUtils]: 58: Hoare triple {2613#false} assume !false; {2613#false} is VALID [2018-11-14 17:32:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2018-11-14 17:32:05,964 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:32:05,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 5] total 22 [2018-11-14 17:32:05,965 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 59 [2018-11-14 17:32:05,965 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:32:05,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-11-14 17:32:06,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:06,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-14 17:32:06,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-14 17:32:06,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2018-11-14 17:32:06,060 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 22 states. [2018-11-14 17:32:11,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:11,128 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2018-11-14 17:32:11,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-14 17:32:11,128 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 59 [2018-11-14 17:32:11,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:32:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-14 17:32:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 89 transitions. [2018-11-14 17:32:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-14 17:32:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 89 transitions. [2018-11-14 17:32:11,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 89 transitions. [2018-11-14 17:32:11,286 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:11,288 INFO L225 Difference]: With dead ends: 87 [2018-11-14 17:32:11,288 INFO L226 Difference]: Without dead ends: 73 [2018-11-14 17:32:11,289 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2018-11-14 17:32:11,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-14 17:32:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2018-11-14 17:32:11,350 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:32:11,350 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 69 states. [2018-11-14 17:32:11,350 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 69 states. [2018-11-14 17:32:11,350 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 69 states. [2018-11-14 17:32:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:11,353 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2018-11-14 17:32:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2018-11-14 17:32:11,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:11,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:11,354 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 73 states. [2018-11-14 17:32:11,354 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 73 states. [2018-11-14 17:32:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:11,356 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2018-11-14 17:32:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2018-11-14 17:32:11,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:11,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:11,356 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:32:11,356 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:32:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-14 17:32:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2018-11-14 17:32:11,358 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 59 [2018-11-14 17:32:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:32:11,359 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2018-11-14 17:32:11,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-14 17:32:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2018-11-14 17:32:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-14 17:32:11,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:32:11,360 INFO L375 BasicCegarLoop]: trace histogram [20, 19, 16, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:32:11,360 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:32:11,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:32:11,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1091385629, now seen corresponding path program 7 times [2018-11-14 17:32:11,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:32:11,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:32:11,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:11,361 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:32:11,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:12,246 INFO L256 TraceCheckUtils]: 0: Hoare triple {3177#true} call ULTIMATE.init(); {3177#true} is VALID [2018-11-14 17:32:12,246 INFO L273 TraceCheckUtils]: 1: Hoare triple {3177#true} assume true; {3177#true} is VALID [2018-11-14 17:32:12,246 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {3177#true} {3177#true} #38#return; {3177#true} is VALID [2018-11-14 17:32:12,247 INFO L256 TraceCheckUtils]: 3: Hoare triple {3177#true} call #t~ret1 := main(); {3177#true} is VALID [2018-11-14 17:32:12,247 INFO L273 TraceCheckUtils]: 4: Hoare triple {3177#true} ~x~0 := 0; {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:12,248 INFO L273 TraceCheckUtils]: 5: Hoare triple {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:12,249 INFO L273 TraceCheckUtils]: 6: Hoare triple {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:12,250 INFO L273 TraceCheckUtils]: 7: Hoare triple {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:12,251 INFO L273 TraceCheckUtils]: 8: Hoare triple {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:12,251 INFO L273 TraceCheckUtils]: 9: Hoare triple {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:12,253 INFO L273 TraceCheckUtils]: 10: Hoare triple {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:12,253 INFO L273 TraceCheckUtils]: 11: Hoare triple {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:12,254 INFO L273 TraceCheckUtils]: 12: Hoare triple {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:12,255 INFO L273 TraceCheckUtils]: 13: Hoare triple {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:12,256 INFO L273 TraceCheckUtils]: 14: Hoare triple {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:12,257 INFO L273 TraceCheckUtils]: 15: Hoare triple {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:12,275 INFO L273 TraceCheckUtils]: 16: Hoare triple {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:12,290 INFO L273 TraceCheckUtils]: 17: Hoare triple {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:12,295 INFO L273 TraceCheckUtils]: 18: Hoare triple {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:12,296 INFO L273 TraceCheckUtils]: 19: Hoare triple {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:12,296 INFO L273 TraceCheckUtils]: 20: Hoare triple {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:12,297 INFO L273 TraceCheckUtils]: 21: Hoare triple {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:12,297 INFO L273 TraceCheckUtils]: 22: Hoare triple {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:12,298 INFO L273 TraceCheckUtils]: 23: Hoare triple {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:12,299 INFO L273 TraceCheckUtils]: 24: Hoare triple {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:12,300 INFO L273 TraceCheckUtils]: 25: Hoare triple {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:12,301 INFO L273 TraceCheckUtils]: 26: Hoare triple {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:12,301 INFO L273 TraceCheckUtils]: 27: Hoare triple {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:12,303 INFO L273 TraceCheckUtils]: 28: Hoare triple {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:12,321 INFO L273 TraceCheckUtils]: 29: Hoare triple {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:12,327 INFO L273 TraceCheckUtils]: 30: Hoare triple {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:12,328 INFO L273 TraceCheckUtils]: 31: Hoare triple {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:12,328 INFO L273 TraceCheckUtils]: 32: Hoare triple {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:12,329 INFO L273 TraceCheckUtils]: 33: Hoare triple {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:12,329 INFO L273 TraceCheckUtils]: 34: Hoare triple {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:12,330 INFO L273 TraceCheckUtils]: 35: Hoare triple {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:12,331 INFO L273 TraceCheckUtils]: 36: Hoare triple {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:12,332 INFO L273 TraceCheckUtils]: 37: Hoare triple {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:12,332 INFO L273 TraceCheckUtils]: 38: Hoare triple {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:12,333 INFO L273 TraceCheckUtils]: 39: Hoare triple {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:12,334 INFO L273 TraceCheckUtils]: 40: Hoare triple {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:12,335 INFO L273 TraceCheckUtils]: 41: Hoare triple {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:12,336 INFO L273 TraceCheckUtils]: 42: Hoare triple {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:12,337 INFO L273 TraceCheckUtils]: 43: Hoare triple {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:12,337 INFO L273 TraceCheckUtils]: 44: Hoare triple {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:12,338 INFO L273 TraceCheckUtils]: 45: Hoare triple {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:12,339 INFO L273 TraceCheckUtils]: 46: Hoare triple {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:12,340 INFO L273 TraceCheckUtils]: 47: Hoare triple {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:12,341 INFO L273 TraceCheckUtils]: 48: Hoare triple {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:12,342 INFO L273 TraceCheckUtils]: 49: Hoare triple {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:12,342 INFO L273 TraceCheckUtils]: 50: Hoare triple {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:12,343 INFO L273 TraceCheckUtils]: 51: Hoare triple {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:12,344 INFO L273 TraceCheckUtils]: 52: Hoare triple {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:12,345 INFO L273 TraceCheckUtils]: 53: Hoare triple {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:12,346 INFO L273 TraceCheckUtils]: 54: Hoare triple {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:12,347 INFO L273 TraceCheckUtils]: 55: Hoare triple {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3196#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:12,347 INFO L273 TraceCheckUtils]: 56: Hoare triple {3196#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume true; {3196#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:12,348 INFO L273 TraceCheckUtils]: 57: Hoare triple {3196#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3196#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:12,349 INFO L273 TraceCheckUtils]: 58: Hoare triple {3196#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3197#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:12,350 INFO L273 TraceCheckUtils]: 59: Hoare triple {3197#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume true; {3197#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:12,351 INFO L273 TraceCheckUtils]: 60: Hoare triple {3197#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !!(~x~0 % 4294967296 < 268435455); {3197#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:12,352 INFO L273 TraceCheckUtils]: 61: Hoare triple {3197#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3198#(and (<= main_~x~0 22) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:12,353 INFO L273 TraceCheckUtils]: 62: Hoare triple {3198#(and (<= main_~x~0 22) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {3198#(and (<= main_~x~0 22) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:12,354 INFO L273 TraceCheckUtils]: 63: Hoare triple {3198#(and (<= main_~x~0 22) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {3178#false} is VALID [2018-11-14 17:32:12,354 INFO L256 TraceCheckUtils]: 64: Hoare triple {3178#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {3178#false} is VALID [2018-11-14 17:32:12,354 INFO L273 TraceCheckUtils]: 65: Hoare triple {3178#false} ~cond := #in~cond; {3178#false} is VALID [2018-11-14 17:32:12,354 INFO L273 TraceCheckUtils]: 66: Hoare triple {3178#false} assume ~cond == 0; {3178#false} is VALID [2018-11-14 17:32:12,355 INFO L273 TraceCheckUtils]: 67: Hoare triple {3178#false} assume !false; {3178#false} is VALID [2018-11-14 17:32:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:12,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:32:12,363 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:32:12,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:32:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:12,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:32:12,636 INFO L256 TraceCheckUtils]: 0: Hoare triple {3177#true} call ULTIMATE.init(); {3177#true} is VALID [2018-11-14 17:32:12,637 INFO L273 TraceCheckUtils]: 1: Hoare triple {3177#true} assume true; {3177#true} is VALID [2018-11-14 17:32:12,637 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {3177#true} {3177#true} #38#return; {3177#true} is VALID [2018-11-14 17:32:12,637 INFO L256 TraceCheckUtils]: 3: Hoare triple {3177#true} call #t~ret1 := main(); {3177#true} is VALID [2018-11-14 17:32:12,638 INFO L273 TraceCheckUtils]: 4: Hoare triple {3177#true} ~x~0 := 0; {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:12,638 INFO L273 TraceCheckUtils]: 5: Hoare triple {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:12,639 INFO L273 TraceCheckUtils]: 6: Hoare triple {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:12,640 INFO L273 TraceCheckUtils]: 7: Hoare triple {3179#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:12,640 INFO L273 TraceCheckUtils]: 8: Hoare triple {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:12,640 INFO L273 TraceCheckUtils]: 9: Hoare triple {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:12,641 INFO L273 TraceCheckUtils]: 10: Hoare triple {3180#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:12,642 INFO L273 TraceCheckUtils]: 11: Hoare triple {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:12,643 INFO L273 TraceCheckUtils]: 12: Hoare triple {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:12,644 INFO L273 TraceCheckUtils]: 13: Hoare triple {3181#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:12,644 INFO L273 TraceCheckUtils]: 14: Hoare triple {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:12,645 INFO L273 TraceCheckUtils]: 15: Hoare triple {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:12,646 INFO L273 TraceCheckUtils]: 16: Hoare triple {3182#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:12,647 INFO L273 TraceCheckUtils]: 17: Hoare triple {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:12,648 INFO L273 TraceCheckUtils]: 18: Hoare triple {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:12,649 INFO L273 TraceCheckUtils]: 19: Hoare triple {3183#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:12,650 INFO L273 TraceCheckUtils]: 20: Hoare triple {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:12,651 INFO L273 TraceCheckUtils]: 21: Hoare triple {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:12,652 INFO L273 TraceCheckUtils]: 22: Hoare triple {3184#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:12,652 INFO L273 TraceCheckUtils]: 23: Hoare triple {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:12,653 INFO L273 TraceCheckUtils]: 24: Hoare triple {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:12,654 INFO L273 TraceCheckUtils]: 25: Hoare triple {3185#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:12,655 INFO L273 TraceCheckUtils]: 26: Hoare triple {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:12,656 INFO L273 TraceCheckUtils]: 27: Hoare triple {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:12,657 INFO L273 TraceCheckUtils]: 28: Hoare triple {3186#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:12,658 INFO L273 TraceCheckUtils]: 29: Hoare triple {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:12,659 INFO L273 TraceCheckUtils]: 30: Hoare triple {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:12,660 INFO L273 TraceCheckUtils]: 31: Hoare triple {3187#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:12,661 INFO L273 TraceCheckUtils]: 32: Hoare triple {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:12,661 INFO L273 TraceCheckUtils]: 33: Hoare triple {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:12,662 INFO L273 TraceCheckUtils]: 34: Hoare triple {3188#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:12,663 INFO L273 TraceCheckUtils]: 35: Hoare triple {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:12,664 INFO L273 TraceCheckUtils]: 36: Hoare triple {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:12,665 INFO L273 TraceCheckUtils]: 37: Hoare triple {3189#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:12,666 INFO L273 TraceCheckUtils]: 38: Hoare triple {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:12,667 INFO L273 TraceCheckUtils]: 39: Hoare triple {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:12,668 INFO L273 TraceCheckUtils]: 40: Hoare triple {3190#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:12,668 INFO L273 TraceCheckUtils]: 41: Hoare triple {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:12,669 INFO L273 TraceCheckUtils]: 42: Hoare triple {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:12,670 INFO L273 TraceCheckUtils]: 43: Hoare triple {3191#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:12,671 INFO L273 TraceCheckUtils]: 44: Hoare triple {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:12,672 INFO L273 TraceCheckUtils]: 45: Hoare triple {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:12,673 INFO L273 TraceCheckUtils]: 46: Hoare triple {3192#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:12,673 INFO L273 TraceCheckUtils]: 47: Hoare triple {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:12,674 INFO L273 TraceCheckUtils]: 48: Hoare triple {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:12,675 INFO L273 TraceCheckUtils]: 49: Hoare triple {3193#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:12,676 INFO L273 TraceCheckUtils]: 50: Hoare triple {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:12,677 INFO L273 TraceCheckUtils]: 51: Hoare triple {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:12,678 INFO L273 TraceCheckUtils]: 52: Hoare triple {3194#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:12,679 INFO L273 TraceCheckUtils]: 53: Hoare triple {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:12,680 INFO L273 TraceCheckUtils]: 54: Hoare triple {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:12,680 INFO L273 TraceCheckUtils]: 55: Hoare triple {3195#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3178#false} is VALID [2018-11-14 17:32:12,681 INFO L273 TraceCheckUtils]: 56: Hoare triple {3178#false} assume true; {3178#false} is VALID [2018-11-14 17:32:12,681 INFO L273 TraceCheckUtils]: 57: Hoare triple {3178#false} assume !!(~x~0 % 4294967296 < 268435455); {3178#false} is VALID [2018-11-14 17:32:12,681 INFO L273 TraceCheckUtils]: 58: Hoare triple {3178#false} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3178#false} is VALID [2018-11-14 17:32:12,681 INFO L273 TraceCheckUtils]: 59: Hoare triple {3178#false} assume true; {3178#false} is VALID [2018-11-14 17:32:12,682 INFO L273 TraceCheckUtils]: 60: Hoare triple {3178#false} assume !!(~x~0 % 4294967296 < 268435455); {3178#false} is VALID [2018-11-14 17:32:12,682 INFO L273 TraceCheckUtils]: 61: Hoare triple {3178#false} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3178#false} is VALID [2018-11-14 17:32:12,682 INFO L273 TraceCheckUtils]: 62: Hoare triple {3178#false} assume true; {3178#false} is VALID [2018-11-14 17:32:12,682 INFO L273 TraceCheckUtils]: 63: Hoare triple {3178#false} assume !(~x~0 % 4294967296 < 268435455); {3178#false} is VALID [2018-11-14 17:32:12,682 INFO L256 TraceCheckUtils]: 64: Hoare triple {3178#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {3178#false} is VALID [2018-11-14 17:32:12,683 INFO L273 TraceCheckUtils]: 65: Hoare triple {3178#false} ~cond := #in~cond; {3178#false} is VALID [2018-11-14 17:32:12,683 INFO L273 TraceCheckUtils]: 66: Hoare triple {3178#false} assume ~cond == 0; {3178#false} is VALID [2018-11-14 17:32:12,683 INFO L273 TraceCheckUtils]: 67: Hoare triple {3178#false} assume !false; {3178#false} is VALID [2018-11-14 17:32:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 136 proven. 408 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-14 17:32:12,711 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:32:12,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19] total 22 [2018-11-14 17:32:12,711 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 68 [2018-11-14 17:32:12,712 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:32:12,712 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-11-14 17:32:12,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:12,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-14 17:32:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-14 17:32:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-11-14 17:32:12,808 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 22 states. [2018-11-14 17:32:15,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:15,950 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2018-11-14 17:32:15,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-14 17:32:15,951 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 68 [2018-11-14 17:32:15,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:32:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-14 17:32:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 79 transitions. [2018-11-14 17:32:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-14 17:32:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 79 transitions. [2018-11-14 17:32:15,954 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 79 transitions. [2018-11-14 17:32:16,142 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:16,143 INFO L225 Difference]: With dead ends: 91 [2018-11-14 17:32:16,144 INFO L226 Difference]: Without dead ends: 75 [2018-11-14 17:32:16,144 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 67 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-11-14 17:32:16,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-14 17:32:16,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-11-14 17:32:16,219 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:32:16,219 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2018-11-14 17:32:16,219 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2018-11-14 17:32:16,220 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2018-11-14 17:32:16,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:16,222 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-11-14 17:32:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2018-11-14 17:32:16,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:16,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:16,223 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2018-11-14 17:32:16,223 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2018-11-14 17:32:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:16,224 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-11-14 17:32:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2018-11-14 17:32:16,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:16,225 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:16,225 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:32:16,225 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:32:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-14 17:32:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2018-11-14 17:32:16,226 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 68 [2018-11-14 17:32:16,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:32:16,226 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2018-11-14 17:32:16,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-14 17:32:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2018-11-14 17:32:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-14 17:32:16,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:32:16,227 INFO L375 BasicCegarLoop]: trace histogram [22, 21, 18, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:32:16,227 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:32:16,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:32:16,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1574236611, now seen corresponding path program 8 times [2018-11-14 17:32:16,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:32:16,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:32:16,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:16,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:32:16,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:17,594 INFO L256 TraceCheckUtils]: 0: Hoare triple {3780#true} call ULTIMATE.init(); {3780#true} is VALID [2018-11-14 17:32:17,595 INFO L273 TraceCheckUtils]: 1: Hoare triple {3780#true} assume true; {3780#true} is VALID [2018-11-14 17:32:17,595 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {3780#true} {3780#true} #38#return; {3780#true} is VALID [2018-11-14 17:32:17,595 INFO L256 TraceCheckUtils]: 3: Hoare triple {3780#true} call #t~ret1 := main(); {3780#true} is VALID [2018-11-14 17:32:17,596 INFO L273 TraceCheckUtils]: 4: Hoare triple {3780#true} ~x~0 := 0; {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:17,597 INFO L273 TraceCheckUtils]: 5: Hoare triple {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:17,597 INFO L273 TraceCheckUtils]: 6: Hoare triple {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:17,598 INFO L273 TraceCheckUtils]: 7: Hoare triple {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:17,598 INFO L273 TraceCheckUtils]: 8: Hoare triple {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:17,621 INFO L273 TraceCheckUtils]: 9: Hoare triple {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:17,637 INFO L273 TraceCheckUtils]: 10: Hoare triple {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:17,646 INFO L273 TraceCheckUtils]: 11: Hoare triple {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:17,659 INFO L273 TraceCheckUtils]: 12: Hoare triple {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:17,668 INFO L273 TraceCheckUtils]: 13: Hoare triple {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:17,669 INFO L273 TraceCheckUtils]: 14: Hoare triple {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:17,688 INFO L273 TraceCheckUtils]: 15: Hoare triple {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:17,697 INFO L273 TraceCheckUtils]: 16: Hoare triple {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:17,705 INFO L273 TraceCheckUtils]: 17: Hoare triple {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:17,705 INFO L273 TraceCheckUtils]: 18: Hoare triple {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:17,709 INFO L273 TraceCheckUtils]: 19: Hoare triple {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:17,709 INFO L273 TraceCheckUtils]: 20: Hoare triple {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:17,710 INFO L273 TraceCheckUtils]: 21: Hoare triple {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:17,710 INFO L273 TraceCheckUtils]: 22: Hoare triple {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:17,712 INFO L273 TraceCheckUtils]: 23: Hoare triple {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:17,712 INFO L273 TraceCheckUtils]: 24: Hoare triple {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:17,713 INFO L273 TraceCheckUtils]: 25: Hoare triple {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:17,714 INFO L273 TraceCheckUtils]: 26: Hoare triple {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:17,715 INFO L273 TraceCheckUtils]: 27: Hoare triple {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:17,716 INFO L273 TraceCheckUtils]: 28: Hoare triple {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:17,717 INFO L273 TraceCheckUtils]: 29: Hoare triple {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:17,718 INFO L273 TraceCheckUtils]: 30: Hoare triple {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:17,719 INFO L273 TraceCheckUtils]: 31: Hoare triple {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:17,720 INFO L273 TraceCheckUtils]: 32: Hoare triple {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:17,721 INFO L273 TraceCheckUtils]: 33: Hoare triple {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:17,722 INFO L273 TraceCheckUtils]: 34: Hoare triple {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:17,723 INFO L273 TraceCheckUtils]: 35: Hoare triple {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:17,724 INFO L273 TraceCheckUtils]: 36: Hoare triple {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:17,725 INFO L273 TraceCheckUtils]: 37: Hoare triple {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:17,726 INFO L273 TraceCheckUtils]: 38: Hoare triple {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:17,727 INFO L273 TraceCheckUtils]: 39: Hoare triple {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:17,728 INFO L273 TraceCheckUtils]: 40: Hoare triple {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:17,729 INFO L273 TraceCheckUtils]: 41: Hoare triple {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:17,730 INFO L273 TraceCheckUtils]: 42: Hoare triple {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:17,731 INFO L273 TraceCheckUtils]: 43: Hoare triple {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:17,732 INFO L273 TraceCheckUtils]: 44: Hoare triple {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:17,733 INFO L273 TraceCheckUtils]: 45: Hoare triple {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:17,734 INFO L273 TraceCheckUtils]: 46: Hoare triple {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:17,735 INFO L273 TraceCheckUtils]: 47: Hoare triple {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:17,735 INFO L273 TraceCheckUtils]: 48: Hoare triple {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:17,737 INFO L273 TraceCheckUtils]: 49: Hoare triple {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:17,737 INFO L273 TraceCheckUtils]: 50: Hoare triple {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:17,738 INFO L273 TraceCheckUtils]: 51: Hoare triple {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:17,739 INFO L273 TraceCheckUtils]: 52: Hoare triple {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:17,740 INFO L273 TraceCheckUtils]: 53: Hoare triple {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:17,741 INFO L273 TraceCheckUtils]: 54: Hoare triple {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:17,742 INFO L273 TraceCheckUtils]: 55: Hoare triple {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:17,743 INFO L273 TraceCheckUtils]: 56: Hoare triple {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume true; {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:17,744 INFO L273 TraceCheckUtils]: 57: Hoare triple {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:17,745 INFO L273 TraceCheckUtils]: 58: Hoare triple {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:17,746 INFO L273 TraceCheckUtils]: 59: Hoare triple {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume true; {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:17,747 INFO L273 TraceCheckUtils]: 60: Hoare triple {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:17,748 INFO L273 TraceCheckUtils]: 61: Hoare triple {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:17,749 INFO L273 TraceCheckUtils]: 62: Hoare triple {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume true; {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:17,750 INFO L273 TraceCheckUtils]: 63: Hoare triple {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !!(~x~0 % 4294967296 < 268435455); {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:17,751 INFO L273 TraceCheckUtils]: 64: Hoare triple {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:17,752 INFO L273 TraceCheckUtils]: 65: Hoare triple {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume true; {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:17,753 INFO L273 TraceCheckUtils]: 66: Hoare triple {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:17,754 INFO L273 TraceCheckUtils]: 67: Hoare triple {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3803#(and (<= main_~x~0 24) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:17,755 INFO L273 TraceCheckUtils]: 68: Hoare triple {3803#(and (<= main_~x~0 24) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {3803#(and (<= main_~x~0 24) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:17,756 INFO L273 TraceCheckUtils]: 69: Hoare triple {3803#(and (<= main_~x~0 24) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {3781#false} is VALID [2018-11-14 17:32:17,757 INFO L256 TraceCheckUtils]: 70: Hoare triple {3781#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {3781#false} is VALID [2018-11-14 17:32:17,757 INFO L273 TraceCheckUtils]: 71: Hoare triple {3781#false} ~cond := #in~cond; {3781#false} is VALID [2018-11-14 17:32:17,757 INFO L273 TraceCheckUtils]: 72: Hoare triple {3781#false} assume ~cond == 0; {3781#false} is VALID [2018-11-14 17:32:17,758 INFO L273 TraceCheckUtils]: 73: Hoare triple {3781#false} assume !false; {3781#false} is VALID [2018-11-14 17:32:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:17,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:32:17,772 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:32:17,796 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-14 17:32:17,822 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-14 17:32:17,822 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:32:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:17,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:32:18,242 INFO L256 TraceCheckUtils]: 0: Hoare triple {3780#true} call ULTIMATE.init(); {3780#true} is VALID [2018-11-14 17:32:18,243 INFO L273 TraceCheckUtils]: 1: Hoare triple {3780#true} assume true; {3780#true} is VALID [2018-11-14 17:32:18,243 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {3780#true} {3780#true} #38#return; {3780#true} is VALID [2018-11-14 17:32:18,243 INFO L256 TraceCheckUtils]: 3: Hoare triple {3780#true} call #t~ret1 := main(); {3780#true} is VALID [2018-11-14 17:32:18,244 INFO L273 TraceCheckUtils]: 4: Hoare triple {3780#true} ~x~0 := 0; {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:18,245 INFO L273 TraceCheckUtils]: 5: Hoare triple {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:18,245 INFO L273 TraceCheckUtils]: 6: Hoare triple {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:18,246 INFO L273 TraceCheckUtils]: 7: Hoare triple {3782#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:18,246 INFO L273 TraceCheckUtils]: 8: Hoare triple {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:18,247 INFO L273 TraceCheckUtils]: 9: Hoare triple {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:18,248 INFO L273 TraceCheckUtils]: 10: Hoare triple {3783#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:18,249 INFO L273 TraceCheckUtils]: 11: Hoare triple {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:18,249 INFO L273 TraceCheckUtils]: 12: Hoare triple {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:18,251 INFO L273 TraceCheckUtils]: 13: Hoare triple {3784#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:18,251 INFO L273 TraceCheckUtils]: 14: Hoare triple {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:18,252 INFO L273 TraceCheckUtils]: 15: Hoare triple {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:18,253 INFO L273 TraceCheckUtils]: 16: Hoare triple {3785#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:18,254 INFO L273 TraceCheckUtils]: 17: Hoare triple {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:18,255 INFO L273 TraceCheckUtils]: 18: Hoare triple {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:18,256 INFO L273 TraceCheckUtils]: 19: Hoare triple {3786#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:18,257 INFO L273 TraceCheckUtils]: 20: Hoare triple {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:18,258 INFO L273 TraceCheckUtils]: 21: Hoare triple {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:18,259 INFO L273 TraceCheckUtils]: 22: Hoare triple {3787#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:18,260 INFO L273 TraceCheckUtils]: 23: Hoare triple {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:18,261 INFO L273 TraceCheckUtils]: 24: Hoare triple {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:18,262 INFO L273 TraceCheckUtils]: 25: Hoare triple {3788#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:18,262 INFO L273 TraceCheckUtils]: 26: Hoare triple {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:18,263 INFO L273 TraceCheckUtils]: 27: Hoare triple {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:18,264 INFO L273 TraceCheckUtils]: 28: Hoare triple {3789#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:18,265 INFO L273 TraceCheckUtils]: 29: Hoare triple {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:18,266 INFO L273 TraceCheckUtils]: 30: Hoare triple {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:18,267 INFO L273 TraceCheckUtils]: 31: Hoare triple {3790#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:18,268 INFO L273 TraceCheckUtils]: 32: Hoare triple {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:18,268 INFO L273 TraceCheckUtils]: 33: Hoare triple {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:18,269 INFO L273 TraceCheckUtils]: 34: Hoare triple {3791#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:18,270 INFO L273 TraceCheckUtils]: 35: Hoare triple {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:18,271 INFO L273 TraceCheckUtils]: 36: Hoare triple {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:18,272 INFO L273 TraceCheckUtils]: 37: Hoare triple {3792#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:18,273 INFO L273 TraceCheckUtils]: 38: Hoare triple {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:18,274 INFO L273 TraceCheckUtils]: 39: Hoare triple {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:18,275 INFO L273 TraceCheckUtils]: 40: Hoare triple {3793#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:18,275 INFO L273 TraceCheckUtils]: 41: Hoare triple {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:18,276 INFO L273 TraceCheckUtils]: 42: Hoare triple {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:18,277 INFO L273 TraceCheckUtils]: 43: Hoare triple {3794#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:18,278 INFO L273 TraceCheckUtils]: 44: Hoare triple {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:18,279 INFO L273 TraceCheckUtils]: 45: Hoare triple {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:18,280 INFO L273 TraceCheckUtils]: 46: Hoare triple {3795#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:18,280 INFO L273 TraceCheckUtils]: 47: Hoare triple {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:18,281 INFO L273 TraceCheckUtils]: 48: Hoare triple {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:18,282 INFO L273 TraceCheckUtils]: 49: Hoare triple {3796#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:18,283 INFO L273 TraceCheckUtils]: 50: Hoare triple {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:18,284 INFO L273 TraceCheckUtils]: 51: Hoare triple {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:18,285 INFO L273 TraceCheckUtils]: 52: Hoare triple {3797#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:18,286 INFO L273 TraceCheckUtils]: 53: Hoare triple {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:18,286 INFO L273 TraceCheckUtils]: 54: Hoare triple {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:18,288 INFO L273 TraceCheckUtils]: 55: Hoare triple {3798#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:18,288 INFO L273 TraceCheckUtils]: 56: Hoare triple {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume true; {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:18,289 INFO L273 TraceCheckUtils]: 57: Hoare triple {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:18,290 INFO L273 TraceCheckUtils]: 58: Hoare triple {3799#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:18,291 INFO L273 TraceCheckUtils]: 59: Hoare triple {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume true; {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:18,292 INFO L273 TraceCheckUtils]: 60: Hoare triple {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:18,293 INFO L273 TraceCheckUtils]: 61: Hoare triple {3800#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:18,294 INFO L273 TraceCheckUtils]: 62: Hoare triple {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume true; {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:18,294 INFO L273 TraceCheckUtils]: 63: Hoare triple {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !!(~x~0 % 4294967296 < 268435455); {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:18,295 INFO L273 TraceCheckUtils]: 64: Hoare triple {3801#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:18,296 INFO L273 TraceCheckUtils]: 65: Hoare triple {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume true; {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:18,297 INFO L273 TraceCheckUtils]: 66: Hoare triple {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:18,298 INFO L273 TraceCheckUtils]: 67: Hoare triple {3802#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4008#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:18,299 INFO L273 TraceCheckUtils]: 68: Hoare triple {4008#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume true; {4008#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:18,300 INFO L273 TraceCheckUtils]: 69: Hoare triple {4008#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume !(~x~0 % 4294967296 < 268435455); {3781#false} is VALID [2018-11-14 17:32:18,300 INFO L256 TraceCheckUtils]: 70: Hoare triple {3781#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {3781#false} is VALID [2018-11-14 17:32:18,300 INFO L273 TraceCheckUtils]: 71: Hoare triple {3781#false} ~cond := #in~cond; {3781#false} is VALID [2018-11-14 17:32:18,300 INFO L273 TraceCheckUtils]: 72: Hoare triple {3781#false} assume ~cond == 0; {3781#false} is VALID [2018-11-14 17:32:18,301 INFO L273 TraceCheckUtils]: 73: Hoare triple {3781#false} assume !false; {3781#false} is VALID [2018-11-14 17:32:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:18,328 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:32:18,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 25 [2018-11-14 17:32:18,329 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 74 [2018-11-14 17:32:18,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:32:18,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2018-11-14 17:32:18,434 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:18,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-14 17:32:18,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-14 17:32:18,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-11-14 17:32:18,435 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 25 states. [2018-11-14 17:32:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:21,862 INFO L93 Difference]: Finished difference Result 97 states and 103 transitions. [2018-11-14 17:32:21,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-14 17:32:21,863 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 74 [2018-11-14 17:32:21,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:32:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-14 17:32:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 85 transitions. [2018-11-14 17:32:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-14 17:32:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 85 transitions. [2018-11-14 17:32:21,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 85 transitions. [2018-11-14 17:32:22,021 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:22,022 INFO L225 Difference]: With dead ends: 97 [2018-11-14 17:32:22,023 INFO L226 Difference]: Without dead ends: 81 [2018-11-14 17:32:22,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-11-14 17:32:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-14 17:32:22,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-11-14 17:32:22,210 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:32:22,210 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2018-11-14 17:32:22,210 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2018-11-14 17:32:22,210 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2018-11-14 17:32:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:22,212 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-11-14 17:32:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-11-14 17:32:22,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:22,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:22,213 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2018-11-14 17:32:22,213 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2018-11-14 17:32:22,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:22,214 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-11-14 17:32:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-11-14 17:32:22,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:22,215 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:22,215 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:32:22,215 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:32:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-11-14 17:32:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-11-14 17:32:22,217 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 74 [2018-11-14 17:32:22,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:32:22,217 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-11-14 17:32:22,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-14 17:32:22,217 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-11-14 17:32:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-14 17:32:22,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:32:22,218 INFO L375 BasicCegarLoop]: trace histogram [24, 23, 20, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:32:22,218 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:32:22,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:32:22,219 INFO L82 PathProgramCache]: Analyzing trace with hash 631016285, now seen corresponding path program 9 times [2018-11-14 17:32:22,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:32:22,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:32:22,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:22,220 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:32:22,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:23,488 INFO L256 TraceCheckUtils]: 0: Hoare triple {4432#true} call ULTIMATE.init(); {4432#true} is VALID [2018-11-14 17:32:23,488 INFO L273 TraceCheckUtils]: 1: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,489 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {4432#true} {4432#true} #38#return; {4432#true} is VALID [2018-11-14 17:32:23,489 INFO L256 TraceCheckUtils]: 3: Hoare triple {4432#true} call #t~ret1 := main(); {4432#true} is VALID [2018-11-14 17:32:23,490 INFO L273 TraceCheckUtils]: 4: Hoare triple {4432#true} ~x~0 := 0; {4434#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:23,490 INFO L273 TraceCheckUtils]: 5: Hoare triple {4434#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {4434#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:23,491 INFO L273 TraceCheckUtils]: 6: Hoare triple {4434#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4434#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:23,492 INFO L273 TraceCheckUtils]: 7: Hoare triple {4434#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4435#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:23,493 INFO L273 TraceCheckUtils]: 8: Hoare triple {4435#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {4435#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:23,494 INFO L273 TraceCheckUtils]: 9: Hoare triple {4435#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4435#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:23,495 INFO L273 TraceCheckUtils]: 10: Hoare triple {4435#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4436#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:23,495 INFO L273 TraceCheckUtils]: 11: Hoare triple {4436#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {4436#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:23,496 INFO L273 TraceCheckUtils]: 12: Hoare triple {4436#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {4436#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:23,497 INFO L273 TraceCheckUtils]: 13: Hoare triple {4436#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4437#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:23,498 INFO L273 TraceCheckUtils]: 14: Hoare triple {4437#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {4437#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:23,499 INFO L273 TraceCheckUtils]: 15: Hoare triple {4437#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4437#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:23,500 INFO L273 TraceCheckUtils]: 16: Hoare triple {4437#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4438#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:23,500 INFO L273 TraceCheckUtils]: 17: Hoare triple {4438#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {4438#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:23,501 INFO L273 TraceCheckUtils]: 18: Hoare triple {4438#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {4438#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:23,502 INFO L273 TraceCheckUtils]: 19: Hoare triple {4438#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4439#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:23,503 INFO L273 TraceCheckUtils]: 20: Hoare triple {4439#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {4439#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:23,504 INFO L273 TraceCheckUtils]: 21: Hoare triple {4439#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {4439#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:23,505 INFO L273 TraceCheckUtils]: 22: Hoare triple {4439#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4440#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:23,505 INFO L273 TraceCheckUtils]: 23: Hoare triple {4440#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {4440#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:23,506 INFO L273 TraceCheckUtils]: 24: Hoare triple {4440#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4440#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:23,507 INFO L273 TraceCheckUtils]: 25: Hoare triple {4440#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4441#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:23,508 INFO L273 TraceCheckUtils]: 26: Hoare triple {4441#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {4441#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:23,509 INFO L273 TraceCheckUtils]: 27: Hoare triple {4441#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4441#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:23,510 INFO L273 TraceCheckUtils]: 28: Hoare triple {4441#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4442#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:23,510 INFO L273 TraceCheckUtils]: 29: Hoare triple {4442#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {4442#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:23,511 INFO L273 TraceCheckUtils]: 30: Hoare triple {4442#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {4442#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:23,512 INFO L273 TraceCheckUtils]: 31: Hoare triple {4442#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4443#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:23,513 INFO L273 TraceCheckUtils]: 32: Hoare triple {4443#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {4443#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:23,513 INFO L273 TraceCheckUtils]: 33: Hoare triple {4443#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {4443#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:23,515 INFO L273 TraceCheckUtils]: 34: Hoare triple {4443#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4444#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:23,515 INFO L273 TraceCheckUtils]: 35: Hoare triple {4444#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {4444#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:23,516 INFO L273 TraceCheckUtils]: 36: Hoare triple {4444#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4444#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:23,517 INFO L273 TraceCheckUtils]: 37: Hoare triple {4444#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4445#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:23,518 INFO L273 TraceCheckUtils]: 38: Hoare triple {4445#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {4445#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:23,519 INFO L273 TraceCheckUtils]: 39: Hoare triple {4445#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {4445#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:23,520 INFO L273 TraceCheckUtils]: 40: Hoare triple {4445#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4446#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:23,521 INFO L273 TraceCheckUtils]: 41: Hoare triple {4446#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {4446#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:23,521 INFO L273 TraceCheckUtils]: 42: Hoare triple {4446#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4446#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:23,522 INFO L273 TraceCheckUtils]: 43: Hoare triple {4446#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4447#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:23,523 INFO L273 TraceCheckUtils]: 44: Hoare triple {4447#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {4447#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:23,524 INFO L273 TraceCheckUtils]: 45: Hoare triple {4447#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4447#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:23,525 INFO L273 TraceCheckUtils]: 46: Hoare triple {4447#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4448#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:23,526 INFO L273 TraceCheckUtils]: 47: Hoare triple {4448#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {4448#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:23,527 INFO L273 TraceCheckUtils]: 48: Hoare triple {4448#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4448#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:23,528 INFO L273 TraceCheckUtils]: 49: Hoare triple {4448#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4449#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:23,528 INFO L273 TraceCheckUtils]: 50: Hoare triple {4449#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {4449#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:23,529 INFO L273 TraceCheckUtils]: 51: Hoare triple {4449#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {4449#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:23,530 INFO L273 TraceCheckUtils]: 52: Hoare triple {4449#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4450#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:23,531 INFO L273 TraceCheckUtils]: 53: Hoare triple {4450#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {4450#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:23,532 INFO L273 TraceCheckUtils]: 54: Hoare triple {4450#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4450#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:23,533 INFO L273 TraceCheckUtils]: 55: Hoare triple {4450#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4451#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:23,533 INFO L273 TraceCheckUtils]: 56: Hoare triple {4451#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume true; {4451#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:23,534 INFO L273 TraceCheckUtils]: 57: Hoare triple {4451#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4451#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:23,535 INFO L273 TraceCheckUtils]: 58: Hoare triple {4451#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4452#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:23,536 INFO L273 TraceCheckUtils]: 59: Hoare triple {4452#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume true; {4452#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:23,537 INFO L273 TraceCheckUtils]: 60: Hoare triple {4452#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4452#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:23,538 INFO L273 TraceCheckUtils]: 61: Hoare triple {4452#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4453#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:23,538 INFO L273 TraceCheckUtils]: 62: Hoare triple {4453#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume true; {4453#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:23,539 INFO L273 TraceCheckUtils]: 63: Hoare triple {4453#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4453#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:23,540 INFO L273 TraceCheckUtils]: 64: Hoare triple {4453#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4454#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:23,541 INFO L273 TraceCheckUtils]: 65: Hoare triple {4454#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume true; {4454#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:23,541 INFO L273 TraceCheckUtils]: 66: Hoare triple {4454#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !!(~x~0 % 4294967296 < 268435455); {4454#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:23,542 INFO L273 TraceCheckUtils]: 67: Hoare triple {4454#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4455#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:23,543 INFO L273 TraceCheckUtils]: 68: Hoare triple {4455#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume true; {4455#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:23,544 INFO L273 TraceCheckUtils]: 69: Hoare triple {4455#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4455#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:23,545 INFO L273 TraceCheckUtils]: 70: Hoare triple {4455#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4456#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:23,546 INFO L273 TraceCheckUtils]: 71: Hoare triple {4456#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume true; {4456#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:23,546 INFO L273 TraceCheckUtils]: 72: Hoare triple {4456#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {4456#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:23,547 INFO L273 TraceCheckUtils]: 73: Hoare triple {4456#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4457#(and (<= main_~x~0 26) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:23,548 INFO L273 TraceCheckUtils]: 74: Hoare triple {4457#(and (<= main_~x~0 26) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {4457#(and (<= main_~x~0 26) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:23,549 INFO L273 TraceCheckUtils]: 75: Hoare triple {4457#(and (<= main_~x~0 26) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {4433#false} is VALID [2018-11-14 17:32:23,549 INFO L256 TraceCheckUtils]: 76: Hoare triple {4433#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {4433#false} is VALID [2018-11-14 17:32:23,550 INFO L273 TraceCheckUtils]: 77: Hoare triple {4433#false} ~cond := #in~cond; {4433#false} is VALID [2018-11-14 17:32:23,550 INFO L273 TraceCheckUtils]: 78: Hoare triple {4433#false} assume ~cond == 0; {4433#false} is VALID [2018-11-14 17:32:23,550 INFO L273 TraceCheckUtils]: 79: Hoare triple {4433#false} assume !false; {4433#false} is VALID [2018-11-14 17:32:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:23,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:32:23,562 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:32:23,570 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-14 17:32:23,589 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-11-14 17:32:23,589 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:32:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:23,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:32:23,877 INFO L256 TraceCheckUtils]: 0: Hoare triple {4432#true} call ULTIMATE.init(); {4432#true} is VALID [2018-11-14 17:32:23,877 INFO L273 TraceCheckUtils]: 1: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {4432#true} {4432#true} #38#return; {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L256 TraceCheckUtils]: 3: Hoare triple {4432#true} call #t~ret1 := main(); {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L273 TraceCheckUtils]: 4: Hoare triple {4432#true} ~x~0 := 0; {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L273 TraceCheckUtils]: 5: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L273 TraceCheckUtils]: 6: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L273 TraceCheckUtils]: 7: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L273 TraceCheckUtils]: 8: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,878 INFO L273 TraceCheckUtils]: 9: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 10: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 11: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 12: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 13: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 14: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 15: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 16: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,879 INFO L273 TraceCheckUtils]: 17: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 18: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 19: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 20: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 21: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 22: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 23: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 24: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 25: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,880 INFO L273 TraceCheckUtils]: 26: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 27: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 28: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 29: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 30: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 31: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 32: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 33: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,881 INFO L273 TraceCheckUtils]: 34: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 35: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 36: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 37: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 38: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 39: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 40: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 41: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 42: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,882 INFO L273 TraceCheckUtils]: 43: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 44: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 45: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 46: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 47: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 48: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 49: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 50: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,883 INFO L273 TraceCheckUtils]: 51: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 52: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 53: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 54: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 55: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 56: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 57: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 58: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 59: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,884 INFO L273 TraceCheckUtils]: 60: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,885 INFO L273 TraceCheckUtils]: 61: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4432#true} is VALID [2018-11-14 17:32:23,885 INFO L273 TraceCheckUtils]: 62: Hoare triple {4432#true} assume true; {4432#true} is VALID [2018-11-14 17:32:23,885 INFO L273 TraceCheckUtils]: 63: Hoare triple {4432#true} assume !!(~x~0 % 4294967296 < 268435455); {4432#true} is VALID [2018-11-14 17:32:23,886 INFO L273 TraceCheckUtils]: 64: Hoare triple {4432#true} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {4653#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,886 INFO L273 TraceCheckUtils]: 65: Hoare triple {4653#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume true; {4653#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,887 INFO L273 TraceCheckUtils]: 66: Hoare triple {4653#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !!(~x~0 % 4294967296 < 268435455); {4653#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,887 INFO L273 TraceCheckUtils]: 67: Hoare triple {4653#(< (mod (+ main_~x~0 4294967295) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4663#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,888 INFO L273 TraceCheckUtils]: 68: Hoare triple {4663#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} assume true; {4663#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,888 INFO L273 TraceCheckUtils]: 69: Hoare triple {4663#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} assume !!(~x~0 % 4294967296 < 268435455); {4663#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,889 INFO L273 TraceCheckUtils]: 70: Hoare triple {4663#(< (mod (+ main_~x~0 4294967293) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4673#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,890 INFO L273 TraceCheckUtils]: 71: Hoare triple {4673#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} assume true; {4673#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,891 INFO L273 TraceCheckUtils]: 72: Hoare triple {4673#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} assume !!(~x~0 % 4294967296 < 268435455); {4673#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,892 INFO L273 TraceCheckUtils]: 73: Hoare triple {4673#(< (mod (+ main_~x~0 4294967291) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {4683#(< (mod (+ main_~x~0 4294967289) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,893 INFO L273 TraceCheckUtils]: 74: Hoare triple {4683#(< (mod (+ main_~x~0 4294967289) 4294967296) 65521)} assume true; {4683#(< (mod (+ main_~x~0 4294967289) 4294967296) 65521)} is VALID [2018-11-14 17:32:23,894 INFO L273 TraceCheckUtils]: 75: Hoare triple {4683#(< (mod (+ main_~x~0 4294967289) 4294967296) 65521)} assume !(~x~0 % 4294967296 < 268435455); {4433#false} is VALID [2018-11-14 17:32:23,894 INFO L256 TraceCheckUtils]: 76: Hoare triple {4433#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {4433#false} is VALID [2018-11-14 17:32:23,895 INFO L273 TraceCheckUtils]: 77: Hoare triple {4433#false} ~cond := #in~cond; {4433#false} is VALID [2018-11-14 17:32:23,895 INFO L273 TraceCheckUtils]: 78: Hoare triple {4433#false} assume ~cond == 0; {4433#false} is VALID [2018-11-14 17:32:23,895 INFO L273 TraceCheckUtils]: 79: Hoare triple {4433#false} assume !false; {4433#false} is VALID [2018-11-14 17:32:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 220 proven. 15 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2018-11-14 17:32:23,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:32:23,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 6] total 30 [2018-11-14 17:32:23,922 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 80 [2018-11-14 17:32:23,922 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:32:23,922 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states. [2018-11-14 17:32:24,057 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:24,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-14 17:32:24,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-14 17:32:24,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2018-11-14 17:32:24,059 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 30 states. [2018-11-14 17:32:31,129 WARN L179 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 16 [2018-11-14 17:32:42,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:42,165 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2018-11-14 17:32:42,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-14 17:32:42,166 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 80 [2018-11-14 17:32:42,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:32:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-14 17:32:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 112 transitions. [2018-11-14 17:32:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-14 17:32:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 112 transitions. [2018-11-14 17:32:42,173 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 112 transitions. [2018-11-14 17:32:44,147 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:44,150 INFO L225 Difference]: With dead ends: 111 [2018-11-14 17:32:44,150 INFO L226 Difference]: Without dead ends: 95 [2018-11-14 17:32:44,151 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=274, Invalid=914, Unknown=2, NotChecked=0, Total=1190 [2018-11-14 17:32:44,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-14 17:32:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2018-11-14 17:32:44,248 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:32:44,248 INFO L82 GeneralOperation]: Start isEquivalent. First operand 95 states. Second operand 90 states. [2018-11-14 17:32:44,248 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 90 states. [2018-11-14 17:32:44,248 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 90 states. [2018-11-14 17:32:44,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:44,251 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2018-11-14 17:32:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2018-11-14 17:32:44,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:44,251 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:44,251 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 95 states. [2018-11-14 17:32:44,252 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 95 states. [2018-11-14 17:32:44,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:44,253 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2018-11-14 17:32:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2018-11-14 17:32:44,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:44,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:44,254 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:32:44,254 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:32:44,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-14 17:32:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 93 transitions. [2018-11-14 17:32:44,256 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 93 transitions. Word has length 80 [2018-11-14 17:32:44,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:32:44,256 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 93 transitions. [2018-11-14 17:32:44,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-14 17:32:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2018-11-14 17:32:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-14 17:32:44,257 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:32:44,257 INFO L375 BasicCegarLoop]: trace histogram [27, 26, 22, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:32:44,257 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:32:44,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:32:44,258 INFO L82 PathProgramCache]: Analyzing trace with hash 967740094, now seen corresponding path program 10 times [2018-11-14 17:32:44,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:32:44,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:32:44,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:44,259 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:32:44,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:46,322 INFO L256 TraceCheckUtils]: 0: Hoare triple {5178#true} call ULTIMATE.init(); {5178#true} is VALID [2018-11-14 17:32:46,322 INFO L273 TraceCheckUtils]: 1: Hoare triple {5178#true} assume true; {5178#true} is VALID [2018-11-14 17:32:46,322 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {5178#true} {5178#true} #38#return; {5178#true} is VALID [2018-11-14 17:32:46,323 INFO L256 TraceCheckUtils]: 3: Hoare triple {5178#true} call #t~ret1 := main(); {5178#true} is VALID [2018-11-14 17:32:46,323 INFO L273 TraceCheckUtils]: 4: Hoare triple {5178#true} ~x~0 := 0; {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:46,324 INFO L273 TraceCheckUtils]: 5: Hoare triple {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:46,325 INFO L273 TraceCheckUtils]: 6: Hoare triple {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:46,326 INFO L273 TraceCheckUtils]: 7: Hoare triple {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:46,327 INFO L273 TraceCheckUtils]: 8: Hoare triple {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:46,328 INFO L273 TraceCheckUtils]: 9: Hoare triple {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:46,329 INFO L273 TraceCheckUtils]: 10: Hoare triple {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:46,330 INFO L273 TraceCheckUtils]: 11: Hoare triple {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:46,331 INFO L273 TraceCheckUtils]: 12: Hoare triple {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:46,332 INFO L273 TraceCheckUtils]: 13: Hoare triple {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:46,333 INFO L273 TraceCheckUtils]: 14: Hoare triple {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:46,333 INFO L273 TraceCheckUtils]: 15: Hoare triple {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:46,335 INFO L273 TraceCheckUtils]: 16: Hoare triple {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:46,335 INFO L273 TraceCheckUtils]: 17: Hoare triple {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:46,336 INFO L273 TraceCheckUtils]: 18: Hoare triple {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:46,337 INFO L273 TraceCheckUtils]: 19: Hoare triple {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:46,338 INFO L273 TraceCheckUtils]: 20: Hoare triple {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:46,339 INFO L273 TraceCheckUtils]: 21: Hoare triple {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:46,340 INFO L273 TraceCheckUtils]: 22: Hoare triple {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:46,341 INFO L273 TraceCheckUtils]: 23: Hoare triple {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:46,341 INFO L273 TraceCheckUtils]: 24: Hoare triple {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:46,343 INFO L273 TraceCheckUtils]: 25: Hoare triple {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:46,343 INFO L273 TraceCheckUtils]: 26: Hoare triple {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:46,344 INFO L273 TraceCheckUtils]: 27: Hoare triple {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:46,345 INFO L273 TraceCheckUtils]: 28: Hoare triple {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:46,346 INFO L273 TraceCheckUtils]: 29: Hoare triple {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:46,347 INFO L273 TraceCheckUtils]: 30: Hoare triple {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:46,349 INFO L273 TraceCheckUtils]: 31: Hoare triple {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:46,349 INFO L273 TraceCheckUtils]: 32: Hoare triple {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:46,350 INFO L273 TraceCheckUtils]: 33: Hoare triple {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:46,351 INFO L273 TraceCheckUtils]: 34: Hoare triple {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:46,352 INFO L273 TraceCheckUtils]: 35: Hoare triple {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:46,353 INFO L273 TraceCheckUtils]: 36: Hoare triple {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:46,354 INFO L273 TraceCheckUtils]: 37: Hoare triple {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:46,355 INFO L273 TraceCheckUtils]: 38: Hoare triple {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:46,355 INFO L273 TraceCheckUtils]: 39: Hoare triple {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:46,357 INFO L273 TraceCheckUtils]: 40: Hoare triple {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:46,357 INFO L273 TraceCheckUtils]: 41: Hoare triple {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:46,358 INFO L273 TraceCheckUtils]: 42: Hoare triple {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:46,359 INFO L273 TraceCheckUtils]: 43: Hoare triple {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:46,360 INFO L273 TraceCheckUtils]: 44: Hoare triple {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:46,361 INFO L273 TraceCheckUtils]: 45: Hoare triple {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:46,362 INFO L273 TraceCheckUtils]: 46: Hoare triple {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:46,363 INFO L273 TraceCheckUtils]: 47: Hoare triple {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:46,364 INFO L273 TraceCheckUtils]: 48: Hoare triple {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:46,365 INFO L273 TraceCheckUtils]: 49: Hoare triple {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:46,366 INFO L273 TraceCheckUtils]: 50: Hoare triple {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:46,366 INFO L273 TraceCheckUtils]: 51: Hoare triple {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:46,368 INFO L273 TraceCheckUtils]: 52: Hoare triple {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:46,368 INFO L273 TraceCheckUtils]: 53: Hoare triple {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:46,369 INFO L273 TraceCheckUtils]: 54: Hoare triple {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:46,370 INFO L273 TraceCheckUtils]: 55: Hoare triple {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:46,371 INFO L273 TraceCheckUtils]: 56: Hoare triple {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume true; {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:46,372 INFO L273 TraceCheckUtils]: 57: Hoare triple {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:46,373 INFO L273 TraceCheckUtils]: 58: Hoare triple {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:46,374 INFO L273 TraceCheckUtils]: 59: Hoare triple {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume true; {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:46,374 INFO L273 TraceCheckUtils]: 60: Hoare triple {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:46,375 INFO L273 TraceCheckUtils]: 61: Hoare triple {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:46,376 INFO L273 TraceCheckUtils]: 62: Hoare triple {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume true; {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:46,377 INFO L273 TraceCheckUtils]: 63: Hoare triple {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:46,378 INFO L273 TraceCheckUtils]: 64: Hoare triple {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:46,379 INFO L273 TraceCheckUtils]: 65: Hoare triple {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume true; {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:46,380 INFO L273 TraceCheckUtils]: 66: Hoare triple {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !!(~x~0 % 4294967296 < 268435455); {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:46,381 INFO L273 TraceCheckUtils]: 67: Hoare triple {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} is VALID [2018-11-14 17:32:46,382 INFO L273 TraceCheckUtils]: 68: Hoare triple {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} assume true; {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} is VALID [2018-11-14 17:32:46,382 INFO L273 TraceCheckUtils]: 69: Hoare triple {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} assume !!(~x~0 % 4294967296 < 268435455); {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} is VALID [2018-11-14 17:32:46,383 INFO L273 TraceCheckUtils]: 70: Hoare triple {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:46,384 INFO L273 TraceCheckUtils]: 71: Hoare triple {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume true; {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:46,385 INFO L273 TraceCheckUtils]: 72: Hoare triple {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:46,386 INFO L273 TraceCheckUtils]: 73: Hoare triple {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5203#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:46,387 INFO L273 TraceCheckUtils]: 74: Hoare triple {5203#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume true; {5203#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:46,397 INFO L273 TraceCheckUtils]: 75: Hoare triple {5203#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5203#(and (<= main_~x~0 24) (<= 24 main_~x~0))} is VALID [2018-11-14 17:32:46,398 INFO L273 TraceCheckUtils]: 76: Hoare triple {5203#(and (<= main_~x~0 24) (<= 24 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5204#(and (<= main_~x~0 26) (<= 26 main_~x~0))} is VALID [2018-11-14 17:32:46,399 INFO L273 TraceCheckUtils]: 77: Hoare triple {5204#(and (<= main_~x~0 26) (<= 26 main_~x~0))} assume true; {5204#(and (<= main_~x~0 26) (<= 26 main_~x~0))} is VALID [2018-11-14 17:32:46,399 INFO L273 TraceCheckUtils]: 78: Hoare triple {5204#(and (<= main_~x~0 26) (<= 26 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5204#(and (<= main_~x~0 26) (<= 26 main_~x~0))} is VALID [2018-11-14 17:32:46,400 INFO L273 TraceCheckUtils]: 79: Hoare triple {5204#(and (<= main_~x~0 26) (<= 26 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5205#(and (<= main_~x~0 28) (<= 28 main_~x~0))} is VALID [2018-11-14 17:32:46,400 INFO L273 TraceCheckUtils]: 80: Hoare triple {5205#(and (<= main_~x~0 28) (<= 28 main_~x~0))} assume true; {5205#(and (<= main_~x~0 28) (<= 28 main_~x~0))} is VALID [2018-11-14 17:32:46,401 INFO L273 TraceCheckUtils]: 81: Hoare triple {5205#(and (<= main_~x~0 28) (<= 28 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5205#(and (<= main_~x~0 28) (<= 28 main_~x~0))} is VALID [2018-11-14 17:32:46,402 INFO L273 TraceCheckUtils]: 82: Hoare triple {5205#(and (<= main_~x~0 28) (<= 28 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5206#(and (<= main_~x~0 30) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:46,403 INFO L273 TraceCheckUtils]: 83: Hoare triple {5206#(and (<= main_~x~0 30) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume true; {5206#(and (<= main_~x~0 30) (< 0 (+ (div main_~x~0 4294967296) 1)))} is VALID [2018-11-14 17:32:46,404 INFO L273 TraceCheckUtils]: 84: Hoare triple {5206#(and (<= main_~x~0 30) (< 0 (+ (div main_~x~0 4294967296) 1)))} assume !(~x~0 % 4294967296 < 268435455); {5179#false} is VALID [2018-11-14 17:32:46,404 INFO L256 TraceCheckUtils]: 85: Hoare triple {5179#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {5179#false} is VALID [2018-11-14 17:32:46,404 INFO L273 TraceCheckUtils]: 86: Hoare triple {5179#false} ~cond := #in~cond; {5179#false} is VALID [2018-11-14 17:32:46,404 INFO L273 TraceCheckUtils]: 87: Hoare triple {5179#false} assume ~cond == 0; {5179#false} is VALID [2018-11-14 17:32:46,405 INFO L273 TraceCheckUtils]: 88: Hoare triple {5179#false} assume !false; {5179#false} is VALID [2018-11-14 17:32:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:32:46,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-14 17:32:46,422 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-14 17:32:46,439 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-14 17:32:46,472 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-14 17:32:46,472 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:32:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:32:46,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:32:46,887 INFO L256 TraceCheckUtils]: 0: Hoare triple {5178#true} call ULTIMATE.init(); {5178#true} is VALID [2018-11-14 17:32:46,887 INFO L273 TraceCheckUtils]: 1: Hoare triple {5178#true} assume true; {5178#true} is VALID [2018-11-14 17:32:46,887 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {5178#true} {5178#true} #38#return; {5178#true} is VALID [2018-11-14 17:32:46,887 INFO L256 TraceCheckUtils]: 3: Hoare triple {5178#true} call #t~ret1 := main(); {5178#true} is VALID [2018-11-14 17:32:46,888 INFO L273 TraceCheckUtils]: 4: Hoare triple {5178#true} ~x~0 := 0; {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:46,888 INFO L273 TraceCheckUtils]: 5: Hoare triple {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume true; {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:46,889 INFO L273 TraceCheckUtils]: 6: Hoare triple {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} is VALID [2018-11-14 17:32:46,889 INFO L273 TraceCheckUtils]: 7: Hoare triple {5180#(and (<= main_~x~0 0) (<= 0 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:46,890 INFO L273 TraceCheckUtils]: 8: Hoare triple {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume true; {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:46,890 INFO L273 TraceCheckUtils]: 9: Hoare triple {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} is VALID [2018-11-14 17:32:46,891 INFO L273 TraceCheckUtils]: 10: Hoare triple {5181#(and (<= main_~x~0 1) (<= 1 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:46,892 INFO L273 TraceCheckUtils]: 11: Hoare triple {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume true; {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:46,893 INFO L273 TraceCheckUtils]: 12: Hoare triple {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume !!(~x~0 % 4294967296 < 268435455); {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} is VALID [2018-11-14 17:32:46,894 INFO L273 TraceCheckUtils]: 13: Hoare triple {5182#(and (<= 2 main_~x~0) (<= main_~x~0 2))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:46,894 INFO L273 TraceCheckUtils]: 14: Hoare triple {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume true; {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:46,895 INFO L273 TraceCheckUtils]: 15: Hoare triple {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} is VALID [2018-11-14 17:32:46,896 INFO L273 TraceCheckUtils]: 16: Hoare triple {5183#(and (<= main_~x~0 3) (<= 3 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:46,897 INFO L273 TraceCheckUtils]: 17: Hoare triple {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume true; {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:46,898 INFO L273 TraceCheckUtils]: 18: Hoare triple {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume !!(~x~0 % 4294967296 < 268435455); {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} is VALID [2018-11-14 17:32:46,899 INFO L273 TraceCheckUtils]: 19: Hoare triple {5184#(and (<= 4 main_~x~0) (<= main_~x~0 4))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:46,900 INFO L273 TraceCheckUtils]: 20: Hoare triple {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume true; {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:46,900 INFO L273 TraceCheckUtils]: 21: Hoare triple {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume !!(~x~0 % 4294967296 < 268435455); {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} is VALID [2018-11-14 17:32:46,902 INFO L273 TraceCheckUtils]: 22: Hoare triple {5185#(and (<= 5 main_~x~0) (<= main_~x~0 5))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:46,902 INFO L273 TraceCheckUtils]: 23: Hoare triple {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume true; {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:46,903 INFO L273 TraceCheckUtils]: 24: Hoare triple {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} is VALID [2018-11-14 17:32:46,904 INFO L273 TraceCheckUtils]: 25: Hoare triple {5186#(and (<= main_~x~0 6) (<= 6 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:46,905 INFO L273 TraceCheckUtils]: 26: Hoare triple {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume true; {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:46,906 INFO L273 TraceCheckUtils]: 27: Hoare triple {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} is VALID [2018-11-14 17:32:46,907 INFO L273 TraceCheckUtils]: 28: Hoare triple {5187#(and (<= main_~x~0 7) (<= 7 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:46,908 INFO L273 TraceCheckUtils]: 29: Hoare triple {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume true; {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:46,908 INFO L273 TraceCheckUtils]: 30: Hoare triple {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume !!(~x~0 % 4294967296 < 268435455); {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} is VALID [2018-11-14 17:32:46,910 INFO L273 TraceCheckUtils]: 31: Hoare triple {5188#(and (<= 8 main_~x~0) (<= main_~x~0 8))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:46,910 INFO L273 TraceCheckUtils]: 32: Hoare triple {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume true; {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:46,911 INFO L273 TraceCheckUtils]: 33: Hoare triple {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume !!(~x~0 % 4294967296 < 268435455); {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} is VALID [2018-11-14 17:32:46,912 INFO L273 TraceCheckUtils]: 34: Hoare triple {5189#(and (<= 9 main_~x~0) (<= main_~x~0 9))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:46,913 INFO L273 TraceCheckUtils]: 35: Hoare triple {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume true; {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:46,914 INFO L273 TraceCheckUtils]: 36: Hoare triple {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} is VALID [2018-11-14 17:32:46,915 INFO L273 TraceCheckUtils]: 37: Hoare triple {5190#(and (<= main_~x~0 10) (<= 10 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:46,916 INFO L273 TraceCheckUtils]: 38: Hoare triple {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume true; {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:46,916 INFO L273 TraceCheckUtils]: 39: Hoare triple {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume !!(~x~0 % 4294967296 < 268435455); {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} is VALID [2018-11-14 17:32:46,917 INFO L273 TraceCheckUtils]: 40: Hoare triple {5191#(and (<= 11 main_~x~0) (<= main_~x~0 11))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:46,918 INFO L273 TraceCheckUtils]: 41: Hoare triple {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume true; {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:46,921 INFO L273 TraceCheckUtils]: 42: Hoare triple {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} is VALID [2018-11-14 17:32:46,922 INFO L273 TraceCheckUtils]: 43: Hoare triple {5192#(and (<= main_~x~0 12) (<= 12 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:46,922 INFO L273 TraceCheckUtils]: 44: Hoare triple {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume true; {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:46,923 INFO L273 TraceCheckUtils]: 45: Hoare triple {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} is VALID [2018-11-14 17:32:46,923 INFO L273 TraceCheckUtils]: 46: Hoare triple {5193#(and (<= main_~x~0 13) (<= 13 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:46,924 INFO L273 TraceCheckUtils]: 47: Hoare triple {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume true; {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:46,924 INFO L273 TraceCheckUtils]: 48: Hoare triple {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} is VALID [2018-11-14 17:32:46,925 INFO L273 TraceCheckUtils]: 49: Hoare triple {5194#(and (<= main_~x~0 14) (<= 14 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:46,926 INFO L273 TraceCheckUtils]: 50: Hoare triple {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume true; {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:46,927 INFO L273 TraceCheckUtils]: 51: Hoare triple {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume !!(~x~0 % 4294967296 < 268435455); {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} is VALID [2018-11-14 17:32:46,928 INFO L273 TraceCheckUtils]: 52: Hoare triple {5195#(and (<= 15 main_~x~0) (<= main_~x~0 15))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:46,929 INFO L273 TraceCheckUtils]: 53: Hoare triple {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume true; {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:46,930 INFO L273 TraceCheckUtils]: 54: Hoare triple {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} is VALID [2018-11-14 17:32:46,931 INFO L273 TraceCheckUtils]: 55: Hoare triple {5196#(and (<= main_~x~0 16) (<= 16 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:46,932 INFO L273 TraceCheckUtils]: 56: Hoare triple {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume true; {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:46,932 INFO L273 TraceCheckUtils]: 57: Hoare triple {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} is VALID [2018-11-14 17:32:46,933 INFO L273 TraceCheckUtils]: 58: Hoare triple {5197#(and (<= main_~x~0 17) (<= 17 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:46,934 INFO L273 TraceCheckUtils]: 59: Hoare triple {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume true; {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:46,935 INFO L273 TraceCheckUtils]: 60: Hoare triple {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} is VALID [2018-11-14 17:32:46,936 INFO L273 TraceCheckUtils]: 61: Hoare triple {5198#(and (<= main_~x~0 18) (<= 18 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:46,937 INFO L273 TraceCheckUtils]: 62: Hoare triple {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume true; {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:46,938 INFO L273 TraceCheckUtils]: 63: Hoare triple {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} is VALID [2018-11-14 17:32:46,939 INFO L273 TraceCheckUtils]: 64: Hoare triple {5199#(and (<= main_~x~0 19) (<= 19 main_~x~0))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:46,939 INFO L273 TraceCheckUtils]: 65: Hoare triple {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume true; {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:46,940 INFO L273 TraceCheckUtils]: 66: Hoare triple {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume !!(~x~0 % 4294967296 < 268435455); {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} is VALID [2018-11-14 17:32:46,941 INFO L273 TraceCheckUtils]: 67: Hoare triple {5200#(and (<= 20 main_~x~0) (<= main_~x~0 20))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} is VALID [2018-11-14 17:32:46,942 INFO L273 TraceCheckUtils]: 68: Hoare triple {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} assume true; {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} is VALID [2018-11-14 17:32:46,943 INFO L273 TraceCheckUtils]: 69: Hoare triple {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} assume !!(~x~0 % 4294967296 < 268435455); {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} is VALID [2018-11-14 17:32:46,944 INFO L273 TraceCheckUtils]: 70: Hoare triple {5201#(and (<= 21 main_~x~0) (<= main_~x~0 21))} assume ~x~0 % 4294967296 < 65521;#t~post0 := ~x~0;~x~0 := #t~post0 + 1;havoc #t~post0; {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:46,945 INFO L273 TraceCheckUtils]: 71: Hoare triple {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume true; {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:46,945 INFO L273 TraceCheckUtils]: 72: Hoare triple {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !!(~x~0 % 4294967296 < 268435455); {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} is VALID [2018-11-14 17:32:46,946 INFO L273 TraceCheckUtils]: 73: Hoare triple {5202#(and (<= main_~x~0 22) (<= 22 main_~x~0))} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5179#false} is VALID [2018-11-14 17:32:46,947 INFO L273 TraceCheckUtils]: 74: Hoare triple {5179#false} assume true; {5179#false} is VALID [2018-11-14 17:32:46,947 INFO L273 TraceCheckUtils]: 75: Hoare triple {5179#false} assume !!(~x~0 % 4294967296 < 268435455); {5179#false} is VALID [2018-11-14 17:32:46,947 INFO L273 TraceCheckUtils]: 76: Hoare triple {5179#false} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5179#false} is VALID [2018-11-14 17:32:46,947 INFO L273 TraceCheckUtils]: 77: Hoare triple {5179#false} assume true; {5179#false} is VALID [2018-11-14 17:32:46,947 INFO L273 TraceCheckUtils]: 78: Hoare triple {5179#false} assume !!(~x~0 % 4294967296 < 268435455); {5179#false} is VALID [2018-11-14 17:32:46,948 INFO L273 TraceCheckUtils]: 79: Hoare triple {5179#false} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5179#false} is VALID [2018-11-14 17:32:46,948 INFO L273 TraceCheckUtils]: 80: Hoare triple {5179#false} assume true; {5179#false} is VALID [2018-11-14 17:32:46,948 INFO L273 TraceCheckUtils]: 81: Hoare triple {5179#false} assume !!(~x~0 % 4294967296 < 268435455); {5179#false} is VALID [2018-11-14 17:32:46,948 INFO L273 TraceCheckUtils]: 82: Hoare triple {5179#false} assume !(~x~0 % 4294967296 < 65521);~x~0 := ~x~0 + 2; {5179#false} is VALID [2018-11-14 17:32:46,948 INFO L273 TraceCheckUtils]: 83: Hoare triple {5179#false} assume true; {5179#false} is VALID [2018-11-14 17:32:46,949 INFO L273 TraceCheckUtils]: 84: Hoare triple {5179#false} assume !(~x~0 % 4294967296 < 268435455); {5179#false} is VALID [2018-11-14 17:32:46,949 INFO L256 TraceCheckUtils]: 85: Hoare triple {5179#false} call __VERIFIER_assert((if (if ~x~0 % 4294967296 < 0 && ~x~0 % 4294967296 % 2 != 0 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0)); {5179#false} is VALID [2018-11-14 17:32:46,949 INFO L273 TraceCheckUtils]: 86: Hoare triple {5179#false} ~cond := #in~cond; {5179#false} is VALID [2018-11-14 17:32:46,949 INFO L273 TraceCheckUtils]: 87: Hoare triple {5179#false} assume ~cond == 0; {5179#false} is VALID [2018-11-14 17:32:46,949 INFO L273 TraceCheckUtils]: 88: Hoare triple {5179#false} assume !false; {5179#false} is VALID [2018-11-14 17:32:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 253 proven. 759 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-14 17:32:46,979 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:32:46,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25] total 29 [2018-11-14 17:32:46,980 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 89 [2018-11-14 17:32:46,980 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:32:46,980 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2018-11-14 17:32:47,105 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:47,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-14 17:32:47,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-14 17:32:47,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-11-14 17:32:47,107 INFO L87 Difference]: Start difference. First operand 90 states and 93 transitions. Second operand 29 states. [2018-11-14 17:32:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:51,547 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2018-11-14 17:32:51,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-14 17:32:51,547 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 89 [2018-11-14 17:32:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:32:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-14 17:32:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 97 transitions. [2018-11-14 17:32:51,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-14 17:32:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 97 transitions. [2018-11-14 17:32:51,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 97 transitions. [2018-11-14 17:32:52,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:32:52,051 INFO L225 Difference]: With dead ends: 115 [2018-11-14 17:32:52,051 INFO L226 Difference]: Without dead ends: 96 [2018-11-14 17:32:52,052 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-11-14 17:32:52,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-14 17:32:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-14 17:32:52,224 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:32:52,224 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 96 states. [2018-11-14 17:32:52,225 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 96 states. [2018-11-14 17:32:52,225 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 96 states. [2018-11-14 17:32:52,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:52,229 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2018-11-14 17:32:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 99 transitions. [2018-11-14 17:32:52,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:52,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:52,230 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 96 states. [2018-11-14 17:32:52,230 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 96 states. [2018-11-14 17:32:52,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:32:52,232 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2018-11-14 17:32:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 99 transitions. [2018-11-14 17:32:52,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:32:52,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:32:52,233 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:32:52,233 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:32:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-14 17:32:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 99 transitions. [2018-11-14 17:32:52,236 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 99 transitions. Word has length 89 [2018-11-14 17:32:52,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:32:52,236 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 99 transitions. [2018-11-14 17:32:52,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-14 17:32:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 99 transitions. [2018-11-14 17:32:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-14 17:32:52,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:32:52,238 INFO L375 BasicCegarLoop]: trace histogram [29, 28, 24, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:32:52,238 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:32:52,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:32:52,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1313920610, now seen corresponding path program 11 times [2018-11-14 17:32:52,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:32:52,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:32:52,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:52,240 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 17:32:52,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:32:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat