/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-industry-pattern/aiob_4.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:47:42,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:47:42,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:47:42,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:47:42,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:47:42,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:47:42,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:47:42,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:47:42,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:47:42,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:47:42,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:47:42,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:47:42,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:47:42,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:47:42,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:47:42,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:47:42,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:47:42,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:47:42,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:47:42,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:47:42,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:47:42,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:47:42,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:47:42,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:47:42,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 12:47:42,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 12:47:42,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 12:47:42,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 12:47:42,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 12:47:42,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 12:47:42,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 12:47:42,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 12:47:42,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 12:47:42,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 12:47:42,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 12:47:42,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 12:47:42,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 12:47:42,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 12:47:42,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:47:42,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:47:42,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:47:42,595 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 [2020-07-08 12:47:42,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:47:42,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:47:42,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:47:42,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:47:42,619 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:47:42,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:47:42,620 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:47:42,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:47:42,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:47:42,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:47:42,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:47:42,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:47:42,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:47:42,623 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:47:42,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:47:42,623 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:47:42,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:47:42,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:47:42,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:47:42,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:47:42,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:47:42,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:47:42,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:47:42,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:47:42,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:47:42,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:47:42,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:47:42,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:47:42,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:47:42,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:47:42,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:47:42,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:47:42,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:47:42,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:47:42,964 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:47:42,965 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2020-07-08 12:47:43,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7013d1c/ea3b0a9a46a340dab6203cc84951f912/FLAG78265b0e6 [2020-07-08 12:47:43,645 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:47:43,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2020-07-08 12:47:43,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7013d1c/ea3b0a9a46a340dab6203cc84951f912/FLAG78265b0e6 [2020-07-08 12:47:43,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7013d1c/ea3b0a9a46a340dab6203cc84951f912 [2020-07-08 12:47:43,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:47:43,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:47:43,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:47:43,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:47:43,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:47:43,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:47:43" (1/1) ... [2020-07-08 12:47:43,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282f6de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:43, skipping insertion in model container [2020-07-08 12:47:43,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:47:43" (1/1) ... [2020-07-08 12:47:43,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:47:43,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:47:44,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:47:44,250 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:47:44,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:47:44,497 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:47:44,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44 WrapperNode [2020-07-08 12:47:44,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:47:44,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:47:44,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:47:44,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:47:44,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (1/1) ... [2020-07-08 12:47:44,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:47:44,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:47:44,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:47:44,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:47:44,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (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 [2020-07-08 12:47:44,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:47:44,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:47:44,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:47:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:47:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-08 12:47:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-08 12:47:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:47:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 12:47:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 12:47:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 12:47:44,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 12:47:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 12:47:44,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 12:47:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:47:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:47:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 12:47:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 12:47:47,767 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:47:47,768 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:47:47,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:47:47 BoogieIcfgContainer [2020-07-08 12:47:47,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:47:47,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:47:47,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:47:47,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:47:47,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:47:43" (1/3) ... [2020-07-08 12:47:47,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273077be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:47:47, skipping insertion in model container [2020-07-08 12:47:47,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:47:44" (2/3) ... [2020-07-08 12:47:47,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273077be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:47:47, skipping insertion in model container [2020-07-08 12:47:47,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:47:47" (3/3) ... [2020-07-08 12:47:47,781 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+cfa-reducer.c [2020-07-08 12:47:47,792 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:47:47,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:47:47,816 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:47:47,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:47:47,840 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:47:47,840 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:47:47,840 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:47:47,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:47:47,841 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:47:47,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:47:47,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:47:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-08 12:47:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-08 12:47:47,867 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:47:47,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:47:47,869 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:47:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:47:47,875 INFO L82 PathProgramCache]: Analyzing trace with hash 316900320, now seen corresponding path program 1 times [2020-07-08 12:47:47,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:47:47,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473328670] [2020-07-08 12:47:47,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:47:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:47:48,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:47:48,124 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:799) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:883) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 12:47:48,131 INFO L168 Benchmark]: Toolchain (without parser) took 4289.05 ms. Allocated memory was 143.1 MB in the beginning and 234.4 MB in the end (delta: 91.2 MB). Free memory was 101.8 MB in the beginning and 174.7 MB in the end (delta: -72.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:48,132 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 143.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-08 12:47:48,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.01 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 101.6 MB in the beginning and 176.6 MB in the end (delta: -75.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:48,134 INFO L168 Benchmark]: Boogie Preprocessor took 134.04 ms. Allocated memory is still 203.4 MB. Free memory was 176.6 MB in the beginning and 170.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:48,135 INFO L168 Benchmark]: RCFGBuilder took 3138.61 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 170.5 MB in the beginning and 192.3 MB in the end (delta: -21.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:48,136 INFO L168 Benchmark]: TraceAbstraction took 354.74 ms. Allocated memory is still 234.4 MB. Free memory was 190.8 MB in the beginning and 174.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-07-08 12:47:48,141 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 0.58 ms. Allocated memory is still 143.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.01 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 101.6 MB in the beginning and 176.6 MB in the end (delta: -75.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.04 ms. Allocated memory is still 203.4 MB. Free memory was 176.6 MB in the beginning and 170.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3138.61 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 170.5 MB in the beginning and 192.3 MB in the end (delta: -21.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 354.74 ms. Allocated memory is still 234.4 MB. Free memory was 190.8 MB in the beginning and 174.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...