java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-multidimensional/init-non-constant-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:37:58,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:37:58,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:37:58,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:37:58,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:37:58,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:37:58,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:37:58,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:37:58,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:37:58,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:37:58,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:37:58,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:37:58,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:37:58,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:37:58,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:37:58,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:37:58,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:37:58,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:37:58,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:37:58,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:37:58,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:37:58,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:37:58,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:37:58,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:37:58,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:37:58,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:37:58,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:37:58,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:37:58,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:37:59,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:37:59,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:37:59,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:37:59,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:37:59,006 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:37:59,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:37:59,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:37:59,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:37:59,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:37:59,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:37:59,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:37:59,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:37:59,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:37:59,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:37:59,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:37:59,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:37:59,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:37:59,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:37:59,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:37:59,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:37:59,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:37:59,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:37:59,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:37:59,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:37:59,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:37:59,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:37:59,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:37:59,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:37:59,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 21:37:59,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:37:59,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:37:59,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:37:59,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:37:59,301 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:37:59,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/init-non-constant-2-n-u.c [2019-10-13 21:37:59,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abac5c3b4/da6510b50335447f81ae06238ff5887c/FLAG9b2ff35f0 [2019-10-13 21:37:59,894 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:37:59,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/init-non-constant-2-n-u.c [2019-10-13 21:37:59,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abac5c3b4/da6510b50335447f81ae06238ff5887c/FLAG9b2ff35f0 [2019-10-13 21:38:00,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abac5c3b4/da6510b50335447f81ae06238ff5887c [2019-10-13 21:38:00,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:38:00,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:38:00,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:38:00,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:38:00,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:38:00,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a008938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00, skipping insertion in model container [2019-10-13 21:38:00,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,286 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:38:00,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:38:00,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:38:00,518 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:38:00,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:38:00,644 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:38:00,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00 WrapperNode [2019-10-13 21:38:00,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:38:00,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:38:00,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:38:00,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:38:00,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (1/1) ... [2019-10-13 21:38:00,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:38:00,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:38:00,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:38:00,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:38:00,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (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 [2019-10-13 21:38:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:38:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:38:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 21:38:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:38:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:38:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:38:00,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 21:38:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:38:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 21:38:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:38:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:38:00,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:38:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:38:01,090 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:38:01,091 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:38:01,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:38:01 BoogieIcfgContainer [2019-10-13 21:38:01,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:38:01,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:38:01,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:38:01,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:38:01,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:38:00" (1/3) ... [2019-10-13 21:38:01,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3af420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:38:01, skipping insertion in model container [2019-10-13 21:38:01,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:38:00" (2/3) ... [2019-10-13 21:38:01,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3af420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:38:01, skipping insertion in model container [2019-10-13 21:38:01,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:38:01" (3/3) ... [2019-10-13 21:38:01,109 INFO L109 eAbstractionObserver]: Analyzing ICFG init-non-constant-2-n-u.c [2019-10-13 21:38:01,120 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:38:01,129 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:38:01,141 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:38:01,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:38:01,167 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:38:01,167 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:38:01,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:38:01,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:38:01,168 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:38:01,168 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:38:01,168 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:38:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-13 21:38:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-13 21:38:01,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:01,189 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:01,191 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:01,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:01,197 INFO L82 PathProgramCache]: Analyzing trace with hash 104319440, now seen corresponding path program 1 times [2019-10-13 21:38:01,204 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:01,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404974627] [2019-10-13 21:38:01,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:01,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:01,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:01,296 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 21:38:01,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944182216] [2019-10-13 21:38:01,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:01,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:38:01,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:01,459 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:01,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404974627] [2019-10-13 21:38:01,494 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 21:38:01,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944182216] [2019-10-13 21:38:01,496 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:38:01,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2019-10-13 21:38:01,496 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153847920] [2019-10-13 21:38:01,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:38:01,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:01,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:38:01,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:38:01,518 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2019-10-13 21:38:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:01,690 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2019-10-13 21:38:01,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:38:01,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-10-13 21:38:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:01,707 INFO L225 Difference]: With dead ends: 42 [2019-10-13 21:38:01,707 INFO L226 Difference]: Without dead ends: 23 [2019-10-13 21:38:01,713 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:38:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-10-13 21:38:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2019-10-13 21:38:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-13 21:38:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-10-13 21:38:01,752 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2019-10-13 21:38:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:01,752 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-10-13 21:38:01,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:38:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-10-13 21:38:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 21:38:01,754 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:01,754 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:01,955 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:01,956 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:01,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:01,957 INFO L82 PathProgramCache]: Analyzing trace with hash 718122281, now seen corresponding path program 1 times [2019-10-13 21:38:01,958 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:01,958 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397191620] [2019-10-13 21:38:01,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:01,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:01,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:01,975 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 21:38:01,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275003420] [2019-10-13 21:38:01,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:02,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:38:02,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:02,052 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:02,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397191620] [2019-10-13 21:38:02,091 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 21:38:02,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275003420] [2019-10-13 21:38:02,092 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:38:02,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2019-10-13 21:38:02,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666653094] [2019-10-13 21:38:02,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:38:02,095 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:02,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:38:02,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:38:02,101 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 6 states. [2019-10-13 21:38:02,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:02,213 INFO L93 Difference]: Finished difference Result 41 states and 54 transitions. [2019-10-13 21:38:02,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:38:02,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-13 21:38:02,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:02,215 INFO L225 Difference]: With dead ends: 41 [2019-10-13 21:38:02,215 INFO L226 Difference]: Without dead ends: 23 [2019-10-13 21:38:02,217 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:38:02,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-10-13 21:38:02,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2019-10-13 21:38:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-13 21:38:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-10-13 21:38:02,223 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2019-10-13 21:38:02,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:02,223 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-10-13 21:38:02,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:38:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-10-13 21:38:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-13 21:38:02,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:02,225 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:02,429 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:02,429 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:02,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:02,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1307047102, now seen corresponding path program 1 times [2019-10-13 21:38:02,431 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:02,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050208832] [2019-10-13 21:38:02,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:02,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:02,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:02,442 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 21:38:02,443 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235088659] [2019-10-13 21:38:02,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:02,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-13 21:38:02,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:02,626 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-13 21:38:02,626 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 21:38:02,631 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:38:02,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:38:02,632 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-10-13 21:38:02,695 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:38:02,697 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2019-10-13 21:38:02,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-13 21:38:02,714 INFO L567 ElimStorePlain]: treesize reduction 14, result has 41.7 percent of original size [2019-10-13 21:38:02,714 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 21:38:02,715 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:10 [2019-10-13 21:38:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:02,759 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:02,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2019-10-13 21:38:02,907 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2019-10-13 21:38:02,909 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 21:38:02,933 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:38:02,934 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 21:38:02,954 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 21:38:02,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:02,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:02,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:02,963 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-10-13 21:38:02,964 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:26, output treesize:45 [2019-10-13 21:38:02,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:02,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:02,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:07,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:07,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:07,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:38:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:07,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050208832] [2019-10-13 21:38:07,325 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 21:38:07,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235088659] [2019-10-13 21:38:07,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1285850507] [2019-10-13 21:38:07,350 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-10-13 21:38:07,351 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:38:07,357 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:38:07,365 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:38:07,366 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:38:07,534 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 21:38:08,394 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2019-10-13 21:38:08,410 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 21:38:08,417 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:38:08,417 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:38:08,418 INFO L193 IcfgInterpreter]: Reachable states at location L44 satisfy 122#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (= main_~j~0 0) (<= main_~j~0 0) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (<= main_~i~0 0) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (< main_~i~0 main_~q~0) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (= main_~i~0 0)) [2019-10-13 21:38:08,418 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 145#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 21:38:08,418 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 131#(and (exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (v_main_~C~0_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (mod (select (select |#memory_int| v_prenex_1) 0) 4294967296) (mod v_prenex_2 4294967296)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 0) 4294967296) (mod v_main_~C~0_BEFORE_CALL_2 4294967296))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:08,419 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:08,419 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:08,419 INFO L193 IcfgInterpreter]: Reachable states at location L29-2 satisfy 101#(and (or (and (= main_~n~0 1500) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (= |main_~#A~0.offset| 0) (<= 1 main_~i~0) (not (< main_~j~0 main_~s~0)) (= main_~m~0 1000) (= |#NULL.offset| 0))) (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500))) [2019-10-13 21:38:08,420 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 150#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:08,420 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:38:08,420 INFO L193 IcfgInterpreter]: Reachable states at location L41-2 satisfy 106#(and (or (and (= main_~n~0 1500) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 (+ main_~q~0 2147483648)) (= 0 (select |old(#valid)| 0)) (<= main_~q~0 0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= main_~q~0 1000) (= |main_~#A~0.offset| 0) (= main_~j~0 0) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0))) (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~i~0 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= main_~j~0 0) (<= 1000 main_~m~0) (<= main_~n~0 1500))) [2019-10-13 21:38:08,421 INFO L193 IcfgInterpreter]: Reachable states at location L31-2 satisfy 96#(and (or (and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= |main_~#A~0.offset| 0) (= main_~m~0 1000) (= |#NULL.offset| 0))) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:08,421 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 136#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (v_main_~C~0_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (mod (select (select |#memory_int| v_prenex_1) 0) 4294967296) (mod v_prenex_2 4294967296)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 0) 4294967296) (mod v_main_~C~0_BEFORE_CALL_2 4294967296))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:08,421 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 126#(exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (v_main_~C~0_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (mod (select (select |#memory_int| v_prenex_1) 0) 4294967296) (mod v_prenex_2 4294967296)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 0) 4294967296) (mod v_main_~C~0_BEFORE_CALL_2 4294967296))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-13 21:38:08,422 INFO L193 IcfgInterpreter]: Reachable states at location L43-2 satisfy 111#(and (and (<= 0 main_~j~0) (<= 0 main_~i~0) (<= main_~i~0 0) (<= main_~j~0 0)) (or (and (= main_~n~0 1500) (<= 0 main_~q~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~n~0 1500) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= main_~q~0 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (< main_~i~0 main_~q~0) (= main_~j~0 0) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (<= main_~n~0 1500) (= main_~i~0 0)))) [2019-10-13 21:38:08,422 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 141#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (v_main_~C~0_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (mod (select (select |#memory_int| v_prenex_1) 0) 4294967296) (mod v_prenex_2 4294967296)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 0) 4294967296) (mod v_main_~C~0_BEFORE_CALL_2 4294967296))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:08,951 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-10-13 21:38:09,153 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-10-13 21:38:09,435 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-10-13 21:38:09,628 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2019-10-13 21:38:09,892 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:38:09,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 29 [2019-10-13 21:38:09,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930986148] [2019-10-13 21:38:09,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-10-13 21:38:09,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:09,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-10-13 21:38:09,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=714, Unknown=2, NotChecked=0, Total=812 [2019-10-13 21:38:09,896 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 29 states. [2019-10-13 21:38:10,236 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2019-10-13 21:38:10,448 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2019-10-13 21:38:10,808 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-10-13 21:38:11,012 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2019-10-13 21:38:12,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:12,296 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2019-10-13 21:38:12,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 21:38:12,297 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 15 [2019-10-13 21:38:12,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:12,298 INFO L225 Difference]: With dead ends: 33 [2019-10-13 21:38:12,298 INFO L226 Difference]: Without dead ends: 31 [2019-10-13 21:38:12,301 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=281, Invalid=1697, Unknown=2, NotChecked=0, Total=1980 [2019-10-13 21:38:12,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-13 21:38:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2019-10-13 21:38:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-13 21:38:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-10-13 21:38:12,309 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 15 [2019-10-13 21:38:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:12,310 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-10-13 21:38:12,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-10-13 21:38:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-10-13 21:38:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-13 21:38:12,312 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:12,312 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:12,515 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:12,519 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:12,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:12,520 INFO L82 PathProgramCache]: Analyzing trace with hash 2012600320, now seen corresponding path program 1 times [2019-10-13 21:38:12,520 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:12,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455940932] [2019-10-13 21:38:12,521 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:12,521 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:12,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:12,536 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 21:38:12,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513411652] [2019-10-13 21:38:12,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:12,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 21:38:12,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:12,637 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:12,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455940932] [2019-10-13 21:38:12,684 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 21:38:12,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513411652] [2019-10-13 21:38:12,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [226972892] [2019-10-13 21:38:12,689 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-13 21:38:12,690 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:38:12,690 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:38:12,690 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:38:12,691 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:38:12,764 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 21:38:13,889 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2019-10-13 21:38:13,901 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 21:38:13,905 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:38:13,905 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:38:13,906 INFO L193 IcfgInterpreter]: Reachable states at location L4-2 satisfy 242#(and (exists ((v_main_~C~0_BEFORE_CALL_9 Int) (v_main_~j~0_BEFORE_CALL_11 Int) (|v_main_~#A~0.base_BEFORE_CALL_8| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296)) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (not (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296))) (= |__VERIFIER_assert_#in~cond| 0) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:13,906 INFO L193 IcfgInterpreter]: Reachable states at location L44-1 satisfy 205#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~j~0 1500) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (<= main_~i~0 0) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= (mod (+ main_~j~0 main_~C~0 main_~i~0) 4294967296) (mod |main_#t~mem4| 4294967296)) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (= main_~i~0 0)) [2019-10-13 21:38:13,906 INFO L193 IcfgInterpreter]: Reachable states at location L44 satisfy 214#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~j~0 1500) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (<= main_~i~0 0) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (= main_~i~0 0)) [2019-10-13 21:38:13,906 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 251#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 21:38:13,907 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 247#(and (exists ((v_main_~C~0_BEFORE_CALL_9 Int) (v_main_~j~0_BEFORE_CALL_11 Int) (|v_main_~#A~0.base_BEFORE_CALL_8| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296)) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (not (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296))) (= |__VERIFIER_assert_#in~cond| 0) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:13,907 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 227#(and (exists ((v_main_~C~0_BEFORE_CALL_9 Int) (v_main_~j~0_BEFORE_CALL_11 Int) (|v_main_~#A~0.base_BEFORE_CALL_8| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296)) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (not (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296))) (= |__VERIFIER_assert_#in~cond| 0) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:13,907 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:13,907 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:13,908 INFO L193 IcfgInterpreter]: Reachable states at location L29-2 satisfy 91#(and (or (and (= main_~n~0 1500) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (= |main_~#A~0.offset| 0) (<= 1 main_~i~0) (not (< main_~j~0 main_~s~0)) (= main_~m~0 1000) (= |#NULL.offset| 0))) (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500))) [2019-10-13 21:38:13,908 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 256#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:13,908 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:38:13,908 INFO L193 IcfgInterpreter]: Reachable states at location L41-2 satisfy 106#(and (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |main_~#A~0.offset| 0) (<= main_~i~0 0) (<= main_~m~0 1000) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= main_~j~0 0) (<= 1000 main_~m~0) (<= main_~n~0 1500)) (or (and (= main_~n~0 1500) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= 0 |#NULL.base|) (= 0 |main_~#A~0.offset|) (<= 0 |#NULL.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= main_~q~0 0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= main_~n~0 1500) (<= 0 main_~q~0) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (= main_~j~0 0) (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)))) [2019-10-13 21:38:13,909 INFO L193 IcfgInterpreter]: Reachable states at location L31-2 satisfy 86#(and (or (and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= |main_~#A~0.offset| 0) (= main_~m~0 1000) (= |#NULL.offset| 0))) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:13,909 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 232#(and (exists ((v_main_~C~0_BEFORE_CALL_9 Int) (v_main_~j~0_BEFORE_CALL_11 Int) (|v_main_~#A~0.base_BEFORE_CALL_8| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296)) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (not (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296))) (= |__VERIFIER_assert_#in~cond| 0) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:13,909 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 222#(exists ((v_main_~C~0_BEFORE_CALL_9 Int) (v_main_~j~0_BEFORE_CALL_11 Int) (|v_main_~#A~0.base_BEFORE_CALL_8| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296)) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (not (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296))) (= |__VERIFIER_assert_#in~cond| 0) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-13 21:38:13,909 INFO L193 IcfgInterpreter]: Reachable states at location L43-2 satisfy 218#(and (or (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~i~0 0) (<= main_~m~0 1000) (= |main_~#A~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (<= 0 main_~j~0) (<= 0 main_~q~0) (= main_~n~0 1500) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (<= 0 |main_~#A~0.offset|) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= main_~q~0 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:13,910 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 237#(and (exists ((v_main_~C~0_BEFORE_CALL_9 Int) (v_main_~j~0_BEFORE_CALL_11 Int) (|v_main_~#A~0.base_BEFORE_CALL_8| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296)) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (not (= (mod (+ v_main_~C~0_BEFORE_CALL_9 v_main_~j~0_BEFORE_CALL_11) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_8|) (* v_main_~j~0_BEFORE_CALL_11 4)) 4294967296))) (= |__VERIFIER_assert_#in~cond| 0) (<= v_main_~j~0_BEFORE_CALL_11 1499) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 v_main_~j~0_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:14,298 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-10-13 21:38:14,701 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2019-10-13 21:38:14,866 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2019-10-13 21:38:15,288 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:38:15,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 14] total 23 [2019-10-13 21:38:15,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239232849] [2019-10-13 21:38:15,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-13 21:38:15,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:15,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-13 21:38:15,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2019-10-13 21:38:15,291 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 23 states. [2019-10-13 21:38:15,619 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2019-10-13 21:38:15,829 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2019-10-13 21:38:16,109 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2019-10-13 21:38:16,336 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2019-10-13 21:38:16,604 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-10-13 21:38:16,848 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-13 21:38:17,043 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 40 [2019-10-13 21:38:17,456 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2019-10-13 21:38:17,942 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 46 [2019-10-13 21:38:20,551 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 45 [2019-10-13 21:38:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:25,692 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2019-10-13 21:38:25,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-13 21:38:25,693 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 22 [2019-10-13 21:38:25,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:25,694 INFO L225 Difference]: With dead ends: 81 [2019-10-13 21:38:25,695 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 21:38:25,696 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=413, Invalid=2137, Unknown=0, NotChecked=0, Total=2550 [2019-10-13 21:38:25,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 21:38:25,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2019-10-13 21:38:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-13 21:38:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2019-10-13 21:38:25,715 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 22 [2019-10-13 21:38:25,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:25,716 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2019-10-13 21:38:25,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-13 21:38:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-10-13 21:38:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-13 21:38:25,717 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:25,718 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:25,921 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:25,922 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:25,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:25,923 INFO L82 PathProgramCache]: Analyzing trace with hash 665696917, now seen corresponding path program 2 times [2019-10-13 21:38:25,923 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:25,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339154130] [2019-10-13 21:38:25,924 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:25,924 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:25,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:25,933 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 21:38:25,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877336038] [2019-10-13 21:38:25,934 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:26,000 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-13 21:38:26,000 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:38:26,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-13 21:38:26,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:26,138 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:38:26,517 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339154130] [2019-10-13 21:38:26,517 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 21:38:26,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877336038] [2019-10-13 21:38:26,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1331465524] [2019-10-13 21:38:26,521 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-13 21:38:26,523 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:38:26,523 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:38:26,524 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:38:26,524 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:38:26,558 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 21:38:27,255 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2019-10-13 21:38:27,269 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 21:38:27,272 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:38:27,272 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:38:27,272 INFO L193 IcfgInterpreter]: Reachable states at location L4-2 satisfy 242#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~C~0_BEFORE_CALL_21 Int) (v_main_~j~0_BEFORE_CALL_23 Int) (|v_main_~#A~0.base_BEFORE_CALL_19| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (not (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:27,273 INFO L193 IcfgInterpreter]: Reachable states at location L44-1 satisfy 205#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~j~0 1500) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (<= main_~i~0 0) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= (mod (+ main_~j~0 main_~C~0 main_~i~0) 4294967296) (mod |main_#t~mem4| 4294967296)) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (= main_~i~0 0)) [2019-10-13 21:38:27,273 INFO L193 IcfgInterpreter]: Reachable states at location L44 satisfy 214#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~j~0 1500) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (<= main_~i~0 0) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (= main_~i~0 0)) [2019-10-13 21:38:27,273 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 251#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 21:38:27,273 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 247#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~C~0_BEFORE_CALL_21 Int) (v_main_~j~0_BEFORE_CALL_23 Int) (|v_main_~#A~0.base_BEFORE_CALL_19| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (not (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:27,274 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 227#(and (exists ((v_main_~C~0_BEFORE_CALL_21 Int) (v_main_~j~0_BEFORE_CALL_23 Int) (|v_main_~#A~0.base_BEFORE_CALL_19| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (not (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:27,274 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:27,274 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:27,274 INFO L193 IcfgInterpreter]: Reachable states at location L29-2 satisfy 101#(and (or (and (= main_~n~0 1500) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (= |main_~#A~0.offset| 0) (<= 1 main_~i~0) (not (< main_~j~0 main_~s~0)) (= main_~m~0 1000) (= |#NULL.offset| 0))) (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500))) [2019-10-13 21:38:27,275 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 256#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:27,275 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:38:27,275 INFO L193 IcfgInterpreter]: Reachable states at location L41-2 satisfy 106#(and (or (and (= main_~n~0 1500) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 (+ main_~q~0 2147483648)) (= 0 (select |old(#valid)| 0)) (<= main_~q~0 0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= main_~q~0 1000) (= |main_~#A~0.offset| 0) (= main_~j~0 0) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0))) (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~i~0 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= main_~j~0 0) (<= 1000 main_~m~0) (<= main_~n~0 1500))) [2019-10-13 21:38:27,275 INFO L193 IcfgInterpreter]: Reachable states at location L31-2 satisfy 96#(and (or (and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= |main_~#A~0.offset| 0) (= main_~m~0 1000) (= |#NULL.offset| 0))) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:27,276 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 232#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~C~0_BEFORE_CALL_21 Int) (v_main_~j~0_BEFORE_CALL_23 Int) (|v_main_~#A~0.base_BEFORE_CALL_19| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (not (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:27,276 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 222#(exists ((v_main_~C~0_BEFORE_CALL_21 Int) (v_main_~j~0_BEFORE_CALL_23 Int) (|v_main_~#A~0.base_BEFORE_CALL_19| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (not (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-13 21:38:27,276 INFO L193 IcfgInterpreter]: Reachable states at location L43-2 satisfy 218#(and (or (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= |main_~#A~0.offset| 0) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 1000) (<= main_~q~0 2147483647) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (= 0 (select |old(#valid)| 0)) (<= main_~q~0 0) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= main_~i~0 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:27,277 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 237#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~C~0_BEFORE_CALL_21 Int) (v_main_~j~0_BEFORE_CALL_23 Int) (|v_main_~#A~0.base_BEFORE_CALL_19| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~j~0_BEFORE_CALL_23) (<= |#NULL.base| 0) (<= v_main_~j~0_BEFORE_CALL_23 1499) (<= 0 |#NULL.base|) (not (= (mod (+ v_main_~j~0_BEFORE_CALL_23 v_main_~C~0_BEFORE_CALL_21) 4294967296) (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_19|) (* v_main_~j~0_BEFORE_CALL_23 4)) 4294967296))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:27,748 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-10-13 21:38:28,166 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-10-13 21:38:28,343 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2019-10-13 21:38:28,810 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:38:28,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 14] total 33 [2019-10-13 21:38:28,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553091406] [2019-10-13 21:38:28,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-10-13 21:38:28,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:38:28,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-10-13 21:38:28,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=942, Unknown=0, NotChecked=0, Total=1056 [2019-10-13 21:38:28,812 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 33 states. [2019-10-13 21:38:29,178 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2019-10-13 21:38:29,403 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-10-13 21:38:29,744 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2019-10-13 21:38:30,334 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-10-13 21:38:30,767 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2019-10-13 21:38:31,037 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 45 [2019-10-13 21:38:31,488 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 46 [2019-10-13 21:38:33,912 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2019-10-13 21:38:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:38:43,033 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2019-10-13 21:38:43,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-13 21:38:43,036 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 23 [2019-10-13 21:38:43,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:38:43,039 INFO L225 Difference]: With dead ends: 80 [2019-10-13 21:38:43,040 INFO L226 Difference]: Without dead ends: 78 [2019-10-13 21:38:43,041 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=430, Invalid=2876, Unknown=0, NotChecked=0, Total=3306 [2019-10-13 21:38:43,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-13 21:38:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 55. [2019-10-13 21:38:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-13 21:38:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2019-10-13 21:38:43,059 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 23 [2019-10-13 21:38:43,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:38:43,060 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2019-10-13 21:38:43,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-10-13 21:38:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-10-13 21:38:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 21:38:43,061 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:38:43,061 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:38:43,262 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:43,263 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:38:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:38:43,263 INFO L82 PathProgramCache]: Analyzing trace with hash -302351121, now seen corresponding path program 1 times [2019-10-13 21:38:43,264 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:38:43,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527515923] [2019-10-13 21:38:43,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:43,265 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:38:43,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:38:43,270 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 21:38:43,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152463066] [2019-10-13 21:38:43,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:38:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:38:43,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 21:38:43,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:38:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 21:38:43,383 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:38:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 21:38:43,420 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527515923] [2019-10-13 21:38:43,421 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 21:38:43,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152463066] [2019-10-13 21:38:43,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [595362094] [2019-10-13 21:38:43,422 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-13 21:38:43,423 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:38:43,423 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:38:43,423 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:38:43,424 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:38:43,441 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 21:38:44,003 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-10-13 21:38:44,018 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 21:38:44,022 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:38:44,022 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:38:44,031 INFO L193 IcfgInterpreter]: Reachable states at location L4-2 satisfy 253#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~i~0_BEFORE_CALL_30 Int) (|v_main_~#A~0.base_BEFORE_CALL_26| Int) (v_main_~C~0_BEFORE_CALL_28 Int) (v_main_~j~0_BEFORE_CALL_30 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296))) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296)) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:44,031 INFO L193 IcfgInterpreter]: Reachable states at location L44-1 satisfy 216#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~j~0 1500) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= (mod (+ main_~j~0 main_~C~0 main_~i~0) 4294967296) (mod |main_#t~mem4| 4294967296)) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0)) [2019-10-13 21:38:44,031 INFO L193 IcfgInterpreter]: Reachable states at location L44 satisfy 225#(and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (<= main_~j~0 1500) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= main_~n~0 1500) (= |#NULL.base| 0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~s~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (= |main_#t~mem4| (select (select |#memory_int| |main_~#A~0.base|) (+ (* main_~i~0 (* main_~n~0 4)) (* main_~j~0 4) |main_~#A~0.offset|))) (= |main_~#A~0.offset| 0) (<= |#NULL.offset| 0) (< main_~j~0 main_~s~0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0)) [2019-10-13 21:38:44,031 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 262#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 21:38:44,031 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 258#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~i~0_BEFORE_CALL_30 Int) (|v_main_~#A~0.base_BEFORE_CALL_26| Int) (v_main_~C~0_BEFORE_CALL_28 Int) (v_main_~j~0_BEFORE_CALL_30 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296))) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296)) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:44,032 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 238#(and (exists ((v_main_~i~0_BEFORE_CALL_30 Int) (|v_main_~#A~0.base_BEFORE_CALL_26| Int) (v_main_~C~0_BEFORE_CALL_28 Int) (v_main_~j~0_BEFORE_CALL_30 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296))) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296)) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:44,032 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:44,032 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:44,032 INFO L193 IcfgInterpreter]: Reachable states at location L29-2 satisfy 101#(and (or (and (= main_~n~0 1500) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (= main_~n~0 1500) (<= 0 main_~q~0) (= |main_~#A~0.offset| 0) (<= 1 main_~i~0) (not (< main_~j~0 main_~s~0)) (= main_~m~0 1000) (= |#NULL.offset| 0))) (and (<= 0 main_~j~0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500))) [2019-10-13 21:38:44,032 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 267#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:38:44,032 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:38:44,033 INFO L193 IcfgInterpreter]: Reachable states at location L41-2 satisfy 195#(and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= 0 (+ main_~q~0 2147483648)) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (= |main_~#A~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= main_~m~0 1000) (= |#NULL.offset| 0) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:44,033 INFO L193 IcfgInterpreter]: Reachable states at location L31-2 satisfy 96#(and (or (and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= |main_~#A~0.offset| 0) (= main_~m~0 1000) (= |#NULL.offset| 0))) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:44,035 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 243#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~i~0_BEFORE_CALL_30 Int) (|v_main_~#A~0.base_BEFORE_CALL_26| Int) (v_main_~C~0_BEFORE_CALL_28 Int) (v_main_~j~0_BEFORE_CALL_30 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296))) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296)) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:44,035 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 233#(exists ((v_main_~i~0_BEFORE_CALL_30 Int) (|v_main_~#A~0.base_BEFORE_CALL_26| Int) (v_main_~C~0_BEFORE_CALL_28 Int) (v_main_~j~0_BEFORE_CALL_30 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296))) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296)) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-10-13 21:38:44,035 INFO L193 IcfgInterpreter]: Reachable states at location L43-2 satisfy 229#(and (or (and (= |#NULL.base| 0) (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 |main_~#A~0.offset|) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (<= main_~m~0 1000) (= |main_~#A~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (= main_~m~0 1000) (= |#NULL.offset| 0)) (and (<= 0 main_~j~0) (= main_~n~0 1500) (<= 0 main_~q~0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (< main_~q~0 main_~m~0) (<= main_~q~0 2147483647) (<= main_~q~0 1000) (<= 0 |#NULL.base|) (<= |main_~#A~0.offset| 0) (= 0 |main_~#A~0.offset|) (<= main_~m~0 1000) (<= 0 |#NULL.offset|) (not (= 0 |main_~#A~0.base|)) (= |#valid| (store |old(#valid)| |main_~#A~0.base| 1)) (< main_~s~0 main_~n~0) (<= main_~s~0 2147483647) (= (store |old(#length)| |main_~#A~0.base| (* (* main_~n~0 4) main_~m~0)) |#length|) (= main_~j~0 0) (<= main_~j~0 0) (= (select |old(#valid)| |main_~#A~0.base|) 0) (<= 0 |main_~#A~0.offset|) (<= |#NULL.base| 0) (<= 0 (+ main_~s~0 2147483648)) (<= 0 (+ main_~q~0 2147483648)) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= main_~q~0 0) (<= 1500 main_~n~0) (<= main_~s~0 1500) (< main_~i~0 main_~q~0) (< |main_~#A~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= main_~m~0 1000) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= 1000 main_~m~0) (<= main_~n~0 1500)) [2019-10-13 21:38:44,036 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 248#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~i~0_BEFORE_CALL_30 Int) (|v_main_~#A~0.base_BEFORE_CALL_26| Int) (v_main_~C~0_BEFORE_CALL_28 Int) (v_main_~j~0_BEFORE_CALL_30 Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (not (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296))) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= (mod (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_26|) (+ (* v_main_~i~0_BEFORE_CALL_30 6000) (* v_main_~j~0_BEFORE_CALL_30 4))) 4294967296) (mod (+ v_main_~j~0_BEFORE_CALL_30 v_main_~i~0_BEFORE_CALL_30 v_main_~C~0_BEFORE_CALL_28) 4294967296)) (<= 0 v_main_~j~0_BEFORE_CALL_30) (<= 0 |#NULL.base|) (<= v_main_~j~0_BEFORE_CALL_30 1499) (= |#NULL.offset| 0) (<= 0 v_main_~i~0_BEFORE_CALL_30) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:38:44,431 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-10-13 21:38:44,564 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30