/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/ss3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:55,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:55,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:55,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:55,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:55,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:55,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:55,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:55,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:55,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:55,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:55,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:55,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:55,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:55,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:55,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:55,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:55,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:55,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:55,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:55,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:55,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:55,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:55,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:55,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:55,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:55,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:55,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:55,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:55,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:55,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:55,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:55,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:55,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:55,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:55,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:55,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:55,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:55,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:55,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:55,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:55,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:30:55,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:55,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:55,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:55,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:55,641 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:55,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:55,641 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:55,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:55,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:55,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:55,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:55,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:55,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:55,643 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:55,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:55,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:55,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:55,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:55,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:55,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:55,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:55,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:55,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:55,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:55,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:55,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:55,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:55,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:55,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:55,646 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:30:56,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:56,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:56,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:56,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:56,161 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:56,162 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ss3f.c [2020-09-21 11:30:56,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27b68ed17/5c2d7cd9eff44d17b8f8b92dc67e719b/FLAG9dfbb7537 [2020-09-21 11:30:56,765 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:56,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/ss3f.c [2020-09-21 11:30:56,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27b68ed17/5c2d7cd9eff44d17b8f8b92dc67e719b/FLAG9dfbb7537 [2020-09-21 11:30:57,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27b68ed17/5c2d7cd9eff44d17b8f8b92dc67e719b [2020-09-21 11:30:57,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:57,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:57,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:57,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:57,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:57,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db123a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57, skipping insertion in model container [2020-09-21 11:30:57,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:57,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:57,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:57,480 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:57,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:57,616 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:57,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57 WrapperNode [2020-09-21 11:30:57,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:57,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:57,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:57,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:57,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... [2020-09-21 11:30:57,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:57,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:57,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:57,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:57,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-21 11:30:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:58,153 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:58,153 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:30:58,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:58 BoogieIcfgContainer [2020-09-21 11:30:58,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:58,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:58,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:58,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:58,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:57" (1/3) ... [2020-09-21 11:30:58,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8b471a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:58, skipping insertion in model container [2020-09-21 11:30:58,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:57" (2/3) ... [2020-09-21 11:30:58,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8b471a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:58, skipping insertion in model container [2020-09-21 11:30:58,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:58" (3/3) ... [2020-09-21 11:30:58,169 INFO L109 eAbstractionObserver]: Analyzing ICFG ss3f.c [2020-09-21 11:30:58,180 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:58,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:58,217 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:58,244 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:58,245 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:58,245 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:58,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:58,245 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:58,245 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:58,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:58,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-09-21 11:30:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:30:58,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:58,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:58,278 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:58,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:58,285 INFO L82 PathProgramCache]: Analyzing trace with hash -976607933, now seen corresponding path program 1 times [2020-09-21 11:30:58,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:58,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330292722] [2020-09-21 11:30:58,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:58,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:58,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:58,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:58,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:58,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:30:58,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:58,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:30:58,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:58,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:58,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:58,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:58,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:58,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:58,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:58,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:58,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:58,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:58,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:58,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:58,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:58,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:58,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:58,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:58,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330292722] [2020-09-21 11:30:58,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:58,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:58,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965888325] [2020-09-21 11:30:58,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:58,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:58,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:58,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:58,600 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2020-09-21 11:30:58,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:58,745 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2020-09-21 11:30:58,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:58,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-09-21 11:30:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:58,759 INFO L225 Difference]: With dead ends: 70 [2020-09-21 11:30:58,759 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 11:30:58,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 11:30:58,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-09-21 11:30:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-09-21 11:30:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-09-21 11:30:58,813 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 27 [2020-09-21 11:30:58,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:58,813 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-09-21 11:30:58,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-09-21 11:30:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:30:58,815 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:58,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:58,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:58,816 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:58,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:58,817 INFO L82 PathProgramCache]: Analyzing trace with hash -714487667, now seen corresponding path program 1 times [2020-09-21 11:30:58,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:58,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624601477] [2020-09-21 11:30:58,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:58,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:58,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:58,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:58,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:58,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:30:58,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:58,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:30:58,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:58,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:58,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:58,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:58,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:58,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:58,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:58,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:58,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:58,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:58,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:58,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:58,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:59,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:59,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:59,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:59,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:59,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:59,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:59,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624601477] [2020-09-21 11:30:59,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:59,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:59,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914580990] [2020-09-21 11:30:59,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:59,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:59,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:59,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:59,013 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 5 states. [2020-09-21 11:30:59,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:59,182 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2020-09-21 11:30:59,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:59,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-21 11:30:59,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:59,184 INFO L225 Difference]: With dead ends: 61 [2020-09-21 11:30:59,185 INFO L226 Difference]: Without dead ends: 43 [2020-09-21 11:30:59,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:30:59,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-21 11:30:59,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2020-09-21 11:30:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-09-21 11:30:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-09-21 11:30:59,196 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 27 [2020-09-21 11:30:59,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:59,197 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-09-21 11:30:59,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:59,198 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-09-21 11:30:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:30:59,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:59,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:59,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:59,200 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:59,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:59,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1064141225, now seen corresponding path program 1 times [2020-09-21 11:30:59,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:59,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107405958] [2020-09-21 11:30:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:59,254 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-21 11:30:59,254 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-21 11:30:59,255 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:59,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:59,287 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-21 11:30:59,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:59 BoogieIcfgContainer [2020-09-21 11:30:59,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:59,291 INFO L168 Benchmark]: Toolchain (without parser) took 2147.37 ms. Allocated memory was 147.8 MB in the beginning and 233.3 MB in the end (delta: 85.5 MB). Free memory was 102.8 MB in the beginning and 199.0 MB in the end (delta: -96.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:59,292 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:59,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.21 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 183.4 MB in the end (delta: -81.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:59,294 INFO L168 Benchmark]: Boogie Preprocessor took 51.13 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 181.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:59,295 INFO L168 Benchmark]: RCFGBuilder took 489.46 ms. Allocated memory is still 204.5 MB. Free memory was 181.1 MB in the beginning and 162.2 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:59,296 INFO L168 Benchmark]: TraceAbstraction took 1127.91 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 161.5 MB in the beginning and 199.0 MB in the end (delta: -37.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:59,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 468.21 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 183.4 MB in the end (delta: -81.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.13 ms. Allocated memory is still 204.5 MB. Free memory was 183.4 MB in the beginning and 181.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 489.46 ms. Allocated memory is still 204.5 MB. Free memory was 181.1 MB in the beginning and 162.2 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1127.91 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 161.5 MB in the beginning and 199.0 MB in the end (delta: -37.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 0 [L30] i=0 [L30] COND TRUE i