/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/float-benchs/inv_square-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:56:31,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:56:31,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:56:31,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:56:31,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:56:31,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:56:31,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:56:31,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:56:31,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:56:31,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:56:31,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:56:31,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:56:31,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:56:31,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:56:31,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:56:31,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:56:31,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:56:31,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:56:31,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:56:31,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:56:31,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:56:31,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:56:31,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:56:31,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:56:31,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:56:31,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:56:31,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:56:31,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:56:31,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:56:31,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:56:31,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:56:31,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:56:31,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:56:31,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:56:31,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:56:31,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:56:31,422 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 [2020-11-06 21:56:31,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:56:31,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:56:31,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:56:31,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:56:31,479 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:56:31,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:56:31,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:56:31,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:56:31,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:56:31,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:56:31,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:56:31,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:56:31,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:56:31,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:56:31,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:56:31,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:56:31,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:56:31,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:56:31,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:56:31,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:56:31,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:56:31,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:56:31,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:56:31,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:56:31,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:56:31,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:56:31,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:56:31,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:56:31,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:56:31,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:56:31,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:56:31,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:56:31,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:56:31,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:56:31,965 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:56:31,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_square-2.c [2020-11-06 21:56:32,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c594c35b0/f26d8433eaea4cf0818976e724c03ae1/FLAG6bcfd9340 [2020-11-06 21:56:32,664 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:56:32,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_square-2.c [2020-11-06 21:56:32,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c594c35b0/f26d8433eaea4cf0818976e724c03ae1/FLAG6bcfd9340 [2020-11-06 21:56:33,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c594c35b0/f26d8433eaea4cf0818976e724c03ae1 [2020-11-06 21:56:33,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:56:33,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:56:33,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:56:33,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:56:33,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:56:33,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad3a293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33, skipping insertion in model container [2020-11-06 21:56:33,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:56:33,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:56:33,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:56:33,341 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:56:33,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:56:33,376 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:56:33,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33 WrapperNode [2020-11-06 21:56:33,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:56:33,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:56:33,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:56:33,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:56:33,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (1/1) ... [2020-11-06 21:56:33,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:56:33,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:56:33,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:56:33,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:56:33,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (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 [2020-11-06 21:56:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:56:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:56:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:56:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-06 21:56:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 21:56:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:56:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:56:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:56:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:56:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:56:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-11-06 21:56:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-06 21:56:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 21:56:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:56:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:56:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:56:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:56:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:56:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:56:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:56:33,918 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:56:33,919 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 21:56:33,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:33 BoogieIcfgContainer [2020-11-06 21:56:33,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:56:33,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:56:33,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:56:33,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:56:33,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:56:33" (1/3) ... [2020-11-06 21:56:33,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8c938c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:33, skipping insertion in model container [2020-11-06 21:56:33,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:33" (2/3) ... [2020-11-06 21:56:33,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8c938c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:33, skipping insertion in model container [2020-11-06 21:56:33,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:33" (3/3) ... [2020-11-06 21:56:33,933 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_square-2.c [2020-11-06 21:56:33,951 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:56:33,955 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:56:33,987 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:56:34,016 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:56:34,017 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:56:34,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:56:34,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:56:34,017 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:56:34,018 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:56:34,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:56:34,018 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:56:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-11-06 21:56:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-06 21:56:34,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:34,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:56:34,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:56:34,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:34,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1987392105, now seen corresponding path program 1 times [2020-11-06 21:56:34,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:34,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043277589] [2020-11-06 21:56:34,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:34,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:56:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:56:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:56:34,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:56:34,438 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) 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:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) 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:343) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 31 more [2020-11-06 21:56:34,448 INFO L168 Benchmark]: Toolchain (without parser) took 1379.18 ms. Allocated memory is still 157.3 MB. Free memory was 132.8 MB in the beginning and 126.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:34,449 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 130.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:56:34,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.69 ms. Allocated memory is still 157.3 MB. Free memory was 132.2 MB in the beginning and 122.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:34,454 INFO L168 Benchmark]: Boogie Preprocessor took 35.93 ms. Allocated memory is still 157.3 MB. Free memory was 122.8 MB in the beginning and 121.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:34,455 INFO L168 Benchmark]: RCFGBuilder took 507.01 ms. Allocated memory is still 157.3 MB. Free memory was 121.4 MB in the beginning and 108.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:34,456 INFO L168 Benchmark]: TraceAbstraction took 519.05 ms. Allocated memory is still 157.3 MB. Free memory was 108.1 MB in the beginning and 126.1 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:56:34,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 157.3 MB. Free memory is still 130.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 300.69 ms. Allocated memory is still 157.3 MB. Free memory was 132.2 MB in the beginning and 122.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.93 ms. Allocated memory is still 157.3 MB. Free memory was 122.8 MB in the beginning and 121.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 507.01 ms. Allocated memory is still 157.3 MB. Free memory was 121.4 MB in the beginning and 108.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 519.05 ms. Allocated memory is still 157.3 MB. Free memory was 108.1 MB in the beginning and 126.1 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...