/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:32:55,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:32:55,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:32:55,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:32:55,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:32:55,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:32:55,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:32:55,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:32:55,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:32:55,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:32:55,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:32:55,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:32:55,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:32:55,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:32:55,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:32:55,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:32:55,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:32:55,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:32:55,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:32:55,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:32:55,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:32:55,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:32:55,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:32:55,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:32:55,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:32:55,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:32:55,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:32:55,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:32:55,474 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 [2020-07-21 11:32:55,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:32:55,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:32:55,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:32:55,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:32:55,512 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:32:55,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:32:55,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:32:55,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:32:55,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:32:55,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:32:55,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:32:55,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:32:55,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:32:55,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:32:55,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:32:55,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:32:55,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:32:55,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:32:55,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:32:55,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:32:55,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:32:55,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:32:55,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:32:55,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:32:55,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:32:55,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:32:55,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:32:55,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:32:55,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:32:55,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:32:55,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:32:55,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:32:55,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:32:55,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:32:55,792 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:32:55,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2020-07-21 11:32:55,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4980a002c/6e00361b972a427bacd20f224d167023/FLAG67c3a9d06 [2020-07-21 11:32:56,364 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:32:56,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2020-07-21 11:32:56,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4980a002c/6e00361b972a427bacd20f224d167023/FLAG67c3a9d06 [2020-07-21 11:32:56,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4980a002c/6e00361b972a427bacd20f224d167023 [2020-07-21 11:32:56,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:32:56,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:32:56,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:32:56,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:32:56,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:32:56,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:32:56" (1/1) ... [2020-07-21 11:32:56,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6920a352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:56, skipping insertion in model container [2020-07-21 11:32:56,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:32:56" (1/1) ... [2020-07-21 11:32:56,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:32:56,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:32:57,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:32:57,046 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:32:57,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:32:57,194 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:32:57,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57 WrapperNode [2020-07-21 11:32:57,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:32:57,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:32:57,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:32:57,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:32:57,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (1/1) ... [2020-07-21 11:32:57,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:32:57,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:32:57,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:32:57,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:32:57,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (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 [2020-07-21 11:32:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:32:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:32:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:32:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:32:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:32:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:32:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:32:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:32:57,811 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:32:57,811 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-07-21 11:32:57,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:32:57 BoogieIcfgContainer [2020-07-21 11:32:57,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:32:57,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:32:57,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:32:57,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:32:57,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:32:56" (1/3) ... [2020-07-21 11:32:57,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ddf5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:32:57, skipping insertion in model container [2020-07-21 11:32:57,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:32:57" (2/3) ... [2020-07-21 11:32:57,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ddf5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:32:57, skipping insertion in model container [2020-07-21 11:32:57,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:32:57" (3/3) ... [2020-07-21 11:32:57,825 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2020-07-21 11:32:57,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:32:57,844 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:32:57,858 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:32:57,883 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:32:57,884 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:32:57,884 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:32:57,884 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:32:57,884 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:32:57,885 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:32:57,885 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:32:57,885 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:32:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-21 11:32:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-21 11:32:57,912 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:32:57,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:32:57,914 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:32:57,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:32:57,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1894488840, now seen corresponding path program 1 times [2020-07-21 11:32:57,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:32:57,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167669955] [2020-07-21 11:32:57,931 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:32:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:32:58,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 11:32:58,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:32:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:32:58,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:32:58,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167669955] [2020-07-21 11:32:58,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:32:58,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 11:32:58,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067843644] [2020-07-21 11:32:58,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 11:32:58,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:32:58,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 11:32:58,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 11:32:58,096 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-21 11:32:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:32:58,135 INFO L93 Difference]: Finished difference Result 139 states and 258 transitions. [2020-07-21 11:32:58,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 11:32:58,137 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-21 11:32:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:32:58,145 INFO L225 Difference]: With dead ends: 139 [2020-07-21 11:32:58,145 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:32:58,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 11:32:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:32:58,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:32:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:32:58,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:32:58,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-07-21 11:32:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:32:58,176 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:32:58,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 11:32:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:32:58,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:32:58,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:32:58,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:32:58,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:32:58,441 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:32:58,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:32:58,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:32:58,441 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 11:32:58,442 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:32:58,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:32:58,442 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 18 361) no Hoare annotation was computed. [2020-07-21 11:32:58,442 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-07-21 11:32:58,442 INFO L268 CegarLoopResult]: For program point L85(lines 85 100) no Hoare annotation was computed. [2020-07-21 11:32:58,442 INFO L268 CegarLoopResult]: For program point L52(lines 52 62) no Hoare annotation was computed. [2020-07-21 11:32:58,443 INFO L268 CegarLoopResult]: For program point L234(lines 234 236) no Hoare annotation was computed. [2020-07-21 11:32:58,443 INFO L268 CegarLoopResult]: For program point L69(lines 69 84) no Hoare annotation was computed. [2020-07-21 11:32:58,443 INFO L268 CegarLoopResult]: For program point L152(lines 152 166) no Hoare annotation was computed. [2020-07-21 11:32:58,443 INFO L268 CegarLoopResult]: For program point L119(lines 119 130) no Hoare annotation was computed. [2020-07-21 11:32:58,443 INFO L268 CegarLoopResult]: For program point L169(lines 169 179) no Hoare annotation was computed. [2020-07-21 11:32:58,443 INFO L268 CegarLoopResult]: For program point L136(lines 136 353) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point L103(lines 103 114) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point L219(lines 219 221) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point L87(lines 87 98) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 18 361) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point L203(lines 203 205) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point L137(lines 137 151) no Hoare annotation was computed. [2020-07-21 11:32:58,444 INFO L268 CegarLoopResult]: For program point L71(lines 71 82) no Hoare annotation was computed. [2020-07-21 11:32:58,445 INFO L271 CegarLoopResult]: At program point L352(lines 26 356) the Hoare annotation is: true [2020-07-21 11:32:58,445 INFO L268 CegarLoopResult]: For program point L154(lines 154 164) no Hoare annotation was computed. [2020-07-21 11:32:58,445 INFO L268 CegarLoopResult]: For program point L336(lines 336 350) no Hoare annotation was computed. [2020-07-21 11:32:58,445 INFO L268 CegarLoopResult]: For program point L188(lines 188 190) no Hoare annotation was computed. [2020-07-21 11:32:58,445 INFO L268 CegarLoopResult]: For program point L56(lines 56 58) no Hoare annotation was computed. [2020-07-21 11:32:58,445 INFO L268 CegarLoopResult]: For program point L139(lines 139 149) no Hoare annotation was computed. [2020-07-21 11:32:58,446 INFO L268 CegarLoopResult]: For program point L321(lines 321 335) no Hoare annotation was computed. [2020-07-21 11:32:58,446 INFO L268 CegarLoopResult]: For program point L123(lines 123 125) no Hoare annotation was computed. [2020-07-21 11:32:58,446 INFO L268 CegarLoopResult]: For program point L338(lines 338 348) no Hoare annotation was computed. [2020-07-21 11:32:58,446 INFO L268 CegarLoopResult]: For program point L305(lines 305 320) no Hoare annotation was computed. [2020-07-21 11:32:58,446 INFO L268 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-07-21 11:32:58,446 INFO L268 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2020-07-21 11:32:58,447 INFO L268 CegarLoopResult]: For program point L289(lines 289 304) no Hoare annotation was computed. [2020-07-21 11:32:58,447 INFO L268 CegarLoopResult]: For program point L91(lines 91 93) no Hoare annotation was computed. [2020-07-21 11:32:58,447 INFO L268 CegarLoopResult]: For program point L75(lines 75 77) no Hoare annotation was computed. [2020-07-21 11:32:58,447 INFO L268 CegarLoopResult]: For program point L323(lines 323 333) no Hoare annotation was computed. [2020-07-21 11:32:58,447 INFO L268 CegarLoopResult]: For program point L158(lines 158 160) no Hoare annotation was computed. [2020-07-21 11:32:58,448 INFO L271 CegarLoopResult]: At program point L26-2(lines 26 356) the Hoare annotation is: true [2020-07-21 11:32:58,448 INFO L268 CegarLoopResult]: For program point L26-3(lines 26 356) no Hoare annotation was computed. [2020-07-21 11:32:58,448 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-21 11:32:58,448 INFO L268 CegarLoopResult]: For program point L274(lines 274 288) no Hoare annotation was computed. [2020-07-21 11:32:58,448 INFO L268 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2020-07-21 11:32:58,448 INFO L268 CegarLoopResult]: For program point L143(lines 143 145) no Hoare annotation was computed. [2020-07-21 11:32:58,449 INFO L268 CegarLoopResult]: For program point L259(lines 259 273) no Hoare annotation was computed. [2020-07-21 11:32:58,449 INFO L268 CegarLoopResult]: For program point L342(lines 342 344) no Hoare annotation was computed. [2020-07-21 11:32:58,449 INFO L268 CegarLoopResult]: For program point L276(lines 276 286) no Hoare annotation was computed. [2020-07-21 11:32:58,449 INFO L268 CegarLoopResult]: For program point L243(lines 243 258) no Hoare annotation was computed. [2020-07-21 11:32:58,449 INFO L264 CegarLoopResult]: At program point L343(lines 18 361) the Hoare annotation is: false [2020-07-21 11:32:58,449 INFO L268 CegarLoopResult]: For program point L327(lines 327 329) no Hoare annotation was computed. [2020-07-21 11:32:58,450 INFO L268 CegarLoopResult]: For program point L261(lines 261 271) no Hoare annotation was computed. [2020-07-21 11:32:58,450 INFO L268 CegarLoopResult]: For program point L228(lines 228 242) no Hoare annotation was computed. [2020-07-21 11:32:58,450 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 360) no Hoare annotation was computed. [2020-07-21 11:32:58,450 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 361) the Hoare annotation is: true [2020-07-21 11:32:58,450 INFO L268 CegarLoopResult]: For program point L311(lines 311 313) no Hoare annotation was computed. [2020-07-21 11:32:58,451 INFO L268 CegarLoopResult]: For program point L245(lines 245 256) no Hoare annotation was computed. [2020-07-21 11:32:58,451 INFO L268 CegarLoopResult]: For program point L295(lines 295 297) no Hoare annotation was computed. [2020-07-21 11:32:58,451 INFO L268 CegarLoopResult]: For program point L213(lines 213 227) no Hoare annotation was computed. [2020-07-21 11:32:58,451 INFO L268 CegarLoopResult]: For program point L230(lines 230 240) no Hoare annotation was computed. [2020-07-21 11:32:58,451 INFO L268 CegarLoopResult]: For program point L197(lines 197 212) no Hoare annotation was computed. [2020-07-21 11:32:58,451 INFO L268 CegarLoopResult]: For program point L280(lines 280 282) no Hoare annotation was computed. [2020-07-21 11:32:58,452 INFO L268 CegarLoopResult]: For program point L49(lines 49 67) no Hoare annotation was computed. [2020-07-21 11:32:58,452 INFO L268 CegarLoopResult]: For program point L215(lines 215 225) no Hoare annotation was computed. [2020-07-21 11:32:58,452 INFO L268 CegarLoopResult]: For program point L182(lines 182 196) no Hoare annotation was computed. [2020-07-21 11:32:58,452 INFO L268 CegarLoopResult]: For program point L50(lines 50 64) no Hoare annotation was computed. [2020-07-21 11:32:58,452 INFO L268 CegarLoopResult]: For program point L265(lines 265 267) no Hoare annotation was computed. [2020-07-21 11:32:58,452 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-07-21 11:32:58,453 INFO L268 CegarLoopResult]: For program point L249(lines 249 251) no Hoare annotation was computed. [2020-07-21 11:32:58,453 INFO L268 CegarLoopResult]: For program point L117(lines 117 132) no Hoare annotation was computed. [2020-07-21 11:32:58,453 INFO L268 CegarLoopResult]: For program point L167(lines 167 181) no Hoare annotation was computed. [2020-07-21 11:32:58,453 INFO L268 CegarLoopResult]: For program point L101(lines 101 116) no Hoare annotation was computed. [2020-07-21 11:32:58,453 INFO L268 CegarLoopResult]: For program point L68(lines 68 135) no Hoare annotation was computed. [2020-07-21 11:32:58,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:32:58 BoogieIcfgContainer [2020-07-21 11:32:58,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:32:58,469 INFO L168 Benchmark]: Toolchain (without parser) took 1731.21 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.2 MB in the beginning and 114.6 MB in the end (delta: -12.3 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2020-07-21 11:32:58,470 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 11:32:58,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.85 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 182.2 MB in the end (delta: -80.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-07-21 11:32:58,472 INFO L168 Benchmark]: Boogie Preprocessor took 51.58 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 179.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:32:58,473 INFO L168 Benchmark]: RCFGBuilder took 563.03 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 149.8 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:32:58,474 INFO L168 Benchmark]: TraceAbstraction took 648.20 ms. Allocated memory is still 203.4 MB. Free memory was 149.8 MB in the beginning and 114.6 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-07-21 11:32:58,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 453.85 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 182.2 MB in the end (delta: -80.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.58 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 179.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.03 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 149.8 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 648.20 ms. Allocated memory is still 203.4 MB. Free memory was 149.8 MB in the beginning and 114.6 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 360]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...