/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/id_trans.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:51:38,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:51:38,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:51:38,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:51:38,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:51:38,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:51:38,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:51:38,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:51:38,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:51:38,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:51:38,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:51:38,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:51:38,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:51:38,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:51:38,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:51:38,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:51:38,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:51:38,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:51:38,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:51:38,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:51:38,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:51:38,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:51:38,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:51:38,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:51:38,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:51:38,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:51:38,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:51:38,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:51:38,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:51:38,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:51:38,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:51:38,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:51:38,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:51:38,968 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:51:38,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:51:38,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:51:38,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:51:38,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:51:38,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:51:38,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:51:38,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:51:38,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:51:38,970 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:51:38,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:51:38,971 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:51:38,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:51:38,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:51:38,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:51:38,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:51:38,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:51:38,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:51:38,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:51:38,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:51:38,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:51:38,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:51:38,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:51:38,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:51:38,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:51:38,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:51:39,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:51:39,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:51:39,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:51:39,275 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:51:39,276 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:51:39,276 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_trans.i [2020-07-17 22:51:39,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1830a2b/cc785bf67bb84b36be9ad6d8a86c5108/FLAGc340a00f5 [2020-07-17 22:51:39,789 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:51:39,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_trans.i [2020-07-17 22:51:39,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1830a2b/cc785bf67bb84b36be9ad6d8a86c5108/FLAGc340a00f5 [2020-07-17 22:51:40,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1830a2b/cc785bf67bb84b36be9ad6d8a86c5108 [2020-07-17 22:51:40,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:51:40,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:51:40,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:51:40,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:51:40,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:51:40,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72978ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40, skipping insertion in model container [2020-07-17 22:51:40,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:51:40,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:51:40,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:51:40,450 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:51:40,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:51:40,483 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:51:40,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40 WrapperNode [2020-07-17 22:51:40,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:51:40,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:51:40,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:51:40,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:51:40,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... [2020-07-17 22:51:40,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:51:40,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:51:40,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:51:40,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:51:40,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:51:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:51:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:51:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 22:51:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:51:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:51:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:51:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 22:51:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 22:51:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:51:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:51:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:51:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:51:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:51:40,984 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:51:40,985 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 22:51:40,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:51:40 BoogieIcfgContainer [2020-07-17 22:51:40,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:51:40,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:51:40,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:51:40,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:51:40,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:51:40" (1/3) ... [2020-07-17 22:51:40,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498f2277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:51:40, skipping insertion in model container [2020-07-17 22:51:40,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:40" (2/3) ... [2020-07-17 22:51:40,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498f2277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:51:40, skipping insertion in model container [2020-07-17 22:51:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:51:40" (3/3) ... [2020-07-17 22:51:41,001 INFO L109 eAbstractionObserver]: Analyzing ICFG id_trans.i [2020-07-17 22:51:41,013 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:51:41,024 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:51:41,049 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:51:41,084 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:51:41,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:51:41,084 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:51:41,084 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:51:41,085 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:51:41,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:51:41,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:51:41,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:51:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-17 22:51:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-17 22:51:41,122 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:41,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:41,123 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:41,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:41,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1541464652, now seen corresponding path program 1 times [2020-07-17 22:51:41,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:41,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999752114] [2020-07-17 22:51:41,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:41,446 INFO L280 TraceCheckUtils]: 0: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-17 22:51:41,446 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {26#true} {26#true} #48#return; {26#true} is VALID [2020-07-17 22:51:41,449 INFO L263 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {26#true} is VALID [2020-07-17 22:51:41,449 INFO L280 TraceCheckUtils]: 1: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-17 22:51:41,450 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} #48#return; {26#true} is VALID [2020-07-17 22:51:41,450 INFO L263 TraceCheckUtils]: 3: Hoare triple {26#true} call #t~ret4 := main(); {26#true} is VALID [2020-07-17 22:51:41,451 INFO L280 TraceCheckUtils]: 4: Hoare triple {26#true} havoc ~idBitLength~0;havoc ~material_length~0;havoc ~nlen~0;havoc ~j~0;havoc ~k~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~nlen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~idBitLength~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~material_length~0 := #t~nondet2;havoc #t~nondet2; {26#true} is VALID [2020-07-17 22:51:41,453 INFO L280 TraceCheckUtils]: 5: Hoare triple {26#true} assume !!(~nlen~0 == (if ~idBitLength~0 < 0 && 0 != ~idBitLength~0 % 32 then 1 + ~idBitLength~0 / 32 else ~idBitLength~0 / 32));~j~0 := 0; {30#(<= 0 main_~j~0)} is VALID [2020-07-17 22:51:41,455 INFO L280 TraceCheckUtils]: 6: Hoare triple {30#(<= 0 main_~j~0)} assume !!(~j~0 < (if ~idBitLength~0 < 0 && 0 != ~idBitLength~0 % 8 then 1 + ~idBitLength~0 / 8 else ~idBitLength~0 / 8) && ~j~0 < ~material_length~0); {30#(<= 0 main_~j~0)} is VALID [2020-07-17 22:51:41,457 INFO L263 TraceCheckUtils]: 7: Hoare triple {30#(<= 0 main_~j~0)} call __VERIFIER_assert((if 0 <= ~j~0 then 1 else 0)); {31#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-17 22:51:41,458 INFO L280 TraceCheckUtils]: 8: Hoare triple {31#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {32#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-17 22:51:41,459 INFO L280 TraceCheckUtils]: 9: Hoare triple {32#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {27#false} is VALID [2020-07-17 22:51:41,460 INFO L280 TraceCheckUtils]: 10: Hoare triple {27#false} assume !false; {27#false} is VALID [2020-07-17 22:51:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:41,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999752114] [2020-07-17 22:51:41,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:41,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:51:41,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425882481] [2020-07-17 22:51:41,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-07-17 22:51:41,475 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:41,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:51:41,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:41,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:51:41,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:41,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:51:41,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:51:41,519 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2020-07-17 22:51:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:41,808 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2020-07-17 22:51:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:41,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-07-17 22:51:41,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2020-07-17 22:51:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2020-07-17 22:51:41,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 61 transitions. [2020-07-17 22:51:41,938 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:41,952 INFO L225 Difference]: With dead ends: 46 [2020-07-17 22:51:41,953 INFO L226 Difference]: Without dead ends: 22 [2020-07-17 22:51:41,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:41,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-17 22:51:42,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-07-17 22:51:42,015 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:42,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2020-07-17 22:51:42,017 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-17 22:51:42,017 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-17 22:51:42,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,023 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2020-07-17 22:51:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-07-17 22:51:42,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:42,024 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:42,025 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-17 22:51:42,025 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-17 22:51:42,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,029 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2020-07-17 22:51:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-07-17 22:51:42,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:42,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:42,031 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:42,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-17 22:51:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-07-17 22:51:42,037 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 11 [2020-07-17 22:51:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:42,038 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-07-17 22:51:42,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:51:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-07-17 22:51:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 22:51:42,039 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:42,039 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:42,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:51:42,040 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:42,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash -621797359, now seen corresponding path program 1 times [2020-07-17 22:51:42,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:42,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866766603] [2020-07-17 22:51:42,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:42,179 INFO L280 TraceCheckUtils]: 0: Hoare triple {177#true} assume true; {177#true} is VALID [2020-07-17 22:51:42,180 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {177#true} {177#true} #48#return; {177#true} is VALID [2020-07-17 22:51:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:42,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {177#true} ~cond := #in~cond; {177#true} is VALID [2020-07-17 22:51:42,202 INFO L280 TraceCheckUtils]: 1: Hoare triple {177#true} assume !(0 == ~cond); {177#true} is VALID [2020-07-17 22:51:42,202 INFO L280 TraceCheckUtils]: 2: Hoare triple {177#true} assume true; {177#true} is VALID [2020-07-17 22:51:42,204 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {177#true} {181#(<= (+ main_~j~0 1) main_~material_length~0)} #52#return; {181#(<= (+ main_~j~0 1) main_~material_length~0)} is VALID [2020-07-17 22:51:42,204 INFO L263 TraceCheckUtils]: 0: Hoare triple {177#true} call ULTIMATE.init(); {177#true} is VALID [2020-07-17 22:51:42,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {177#true} assume true; {177#true} is VALID [2020-07-17 22:51:42,205 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {177#true} {177#true} #48#return; {177#true} is VALID [2020-07-17 22:51:42,205 INFO L263 TraceCheckUtils]: 3: Hoare triple {177#true} call #t~ret4 := main(); {177#true} is VALID [2020-07-17 22:51:42,205 INFO L280 TraceCheckUtils]: 4: Hoare triple {177#true} havoc ~idBitLength~0;havoc ~material_length~0;havoc ~nlen~0;havoc ~j~0;havoc ~k~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~nlen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~idBitLength~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~material_length~0 := #t~nondet2;havoc #t~nondet2; {177#true} is VALID [2020-07-17 22:51:42,206 INFO L280 TraceCheckUtils]: 5: Hoare triple {177#true} assume !!(~nlen~0 == (if ~idBitLength~0 < 0 && 0 != ~idBitLength~0 % 32 then 1 + ~idBitLength~0 / 32 else ~idBitLength~0 / 32));~j~0 := 0; {177#true} is VALID [2020-07-17 22:51:42,207 INFO L280 TraceCheckUtils]: 6: Hoare triple {177#true} assume !!(~j~0 < (if ~idBitLength~0 < 0 && 0 != ~idBitLength~0 % 8 then 1 + ~idBitLength~0 / 8 else ~idBitLength~0 / 8) && ~j~0 < ~material_length~0); {181#(<= (+ main_~j~0 1) main_~material_length~0)} is VALID [2020-07-17 22:51:42,208 INFO L263 TraceCheckUtils]: 7: Hoare triple {181#(<= (+ main_~j~0 1) main_~material_length~0)} call __VERIFIER_assert((if 0 <= ~j~0 then 1 else 0)); {177#true} is VALID [2020-07-17 22:51:42,208 INFO L280 TraceCheckUtils]: 8: Hoare triple {177#true} ~cond := #in~cond; {177#true} is VALID [2020-07-17 22:51:42,208 INFO L280 TraceCheckUtils]: 9: Hoare triple {177#true} assume !(0 == ~cond); {177#true} is VALID [2020-07-17 22:51:42,209 INFO L280 TraceCheckUtils]: 10: Hoare triple {177#true} assume true; {177#true} is VALID [2020-07-17 22:51:42,210 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {177#true} {181#(<= (+ main_~j~0 1) main_~material_length~0)} #52#return; {181#(<= (+ main_~j~0 1) main_~material_length~0)} is VALID [2020-07-17 22:51:42,212 INFO L263 TraceCheckUtils]: 12: Hoare triple {181#(<= (+ main_~j~0 1) main_~material_length~0)} call __VERIFIER_assert((if ~j~0 < ~material_length~0 then 1 else 0)); {186#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-17 22:51:42,214 INFO L280 TraceCheckUtils]: 13: Hoare triple {186#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {187#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-17 22:51:42,215 INFO L280 TraceCheckUtils]: 14: Hoare triple {187#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {178#false} is VALID [2020-07-17 22:51:42,216 INFO L280 TraceCheckUtils]: 15: Hoare triple {178#false} assume !false; {178#false} is VALID [2020-07-17 22:51:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:42,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866766603] [2020-07-17 22:51:42,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:42,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:51:42,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115601401] [2020-07-17 22:51:42,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-17 22:51:42,221 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:42,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:51:42,251 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:42,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:51:42,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:42,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:51:42,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:51:42,252 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 5 states. [2020-07-17 22:51:42,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,419 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-07-17 22:51:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:42,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-17 22:51:42,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2020-07-17 22:51:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2020-07-17 22:51:42,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 26 transitions. [2020-07-17 22:51:42,479 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:42,481 INFO L225 Difference]: With dead ends: 28 [2020-07-17 22:51:42,482 INFO L226 Difference]: Without dead ends: 26 [2020-07-17 22:51:42,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-07-17 22:51:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-07-17 22:51:42,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:42,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 26 states. [2020-07-17 22:51:42,502 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-17 22:51:42,502 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-17 22:51:42,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,505 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-07-17 22:51:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-07-17 22:51:42,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:42,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:42,507 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-17 22:51:42,507 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-17 22:51:42,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,510 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-07-17 22:51:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-07-17 22:51:42,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:42,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:42,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:42,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-17 22:51:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-07-17 22:51:42,514 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 16 [2020-07-17 22:51:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:42,515 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-07-17 22:51:42,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:51:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-07-17 22:51:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:51:42,516 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:42,516 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:42,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:51:42,517 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:42,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:42,518 INFO L82 PathProgramCache]: Analyzing trace with hash -561745487, now seen corresponding path program 1 times [2020-07-17 22:51:42,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:42,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699353389] [2020-07-17 22:51:42,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:51:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:51:42,637 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:51:42,638 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:51:42,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 22:51:42,668 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:51:42,669 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:51:42,670 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:51:42,670 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:51:42,670 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:51:42,670 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-17 22:51:42,670 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-17 22:51:42,670 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-17 22:51:42,671 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: L7-2 has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: L20-3 has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:51:42,672 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-17 22:51:42,673 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:51:42,674 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:51:42,674 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:51:42,674 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:51:42,674 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-17 22:51:42,674 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:51:42,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:51:42 BoogieIcfgContainer [2020-07-17 22:51:42,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:51:42,685 INFO L168 Benchmark]: Toolchain (without parser) took 2477.26 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 101.8 MB in the beginning and 150.8 MB in the end (delta: -49.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:42,687 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 22:51:42,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.60 ms. Allocated memory is still 137.4 MB. Free memory was 101.6 MB in the beginning and 91.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:42,693 INFO L168 Benchmark]: Boogie Preprocessor took 126.96 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 91.7 MB in the beginning and 181.5 MB in the end (delta: -89.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:42,695 INFO L168 Benchmark]: RCFGBuilder took 379.54 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 161.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:42,697 INFO L168 Benchmark]: TraceAbstraction took 1687.13 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 160.9 MB in the beginning and 150.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:42,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.60 ms. Allocated memory is still 137.4 MB. Free memory was 101.6 MB in the beginning and 91.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.96 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 91.7 MB in the beginning and 181.5 MB in the end (delta: -89.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.54 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 161.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1687.13 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 160.9 MB in the beginning and 150.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int idBitLength, material_length, nlen; [L15] int j, k; [L16] nlen = __VERIFIER_nondet_int() [L17] idBitLength = __VERIFIER_nondet_int() [L18] material_length = __VERIFIER_nondet_int() [L19] COND FALSE !(!( nlen == idBitLength / 32 )) [L20] j = 0 VAL [idBitLength=9, j=0, material_length=2, nlen=0] [L20] COND TRUE (j < idBitLength / 8) && (j < material_length) VAL [idBitLength=9, j=0, material_length=2, nlen=0] [L21] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L7] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L21] RET __VERIFIER_assert( 0 <= j) VAL [idBitLength=9, j=0, material_length=2, nlen=0] [L22] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L7] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L22] RET __VERIFIER_assert( j < material_length ) VAL [idBitLength=9, j=0, material_length=2, nlen=0] [L23] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L7] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L23] RET __VERIFIER_assert( 0 <= j/4 ) VAL [idBitLength=9, j=0, material_length=2, nlen=0] [L24] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 13 SDslu, 98 SDs, 0 SdLazy, 44 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...