/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 --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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_mul_init.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 03:59:53,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 03:59:53,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 03:59:53,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 03:59:53,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 03:59:53,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 03:59:53,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 03:59:53,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 03:59:53,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 03:59:53,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 03:59:53,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 03:59:53,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 03:59:53,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 03:59:53,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 03:59:53,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 03:59:53,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 03:59:53,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 03:59:53,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 03:59:53,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 03:59:53,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 03:59:53,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 03:59:53,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 03:59:53,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 03:59:53,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 03:59:53,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 03:59:53,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 03:59:53,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 03:59:53,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 03:59:53,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 03:59:53,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 03:59:53,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 03:59:53,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 03:59:53,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 03:59:53,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 03:59:53,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 03:59:53,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 03:59:53,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 03:59:53,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 03:59:53,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 03:59:53,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 03:59:53,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 03:59:53,858 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 [2020-10-29 03:59:53,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 03:59:53,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 03:59:53,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 03:59:53,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 03:59:53,920 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 03:59:53,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 03:59:53,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 03:59:53,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 03:59:53,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 03:59:53,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 03:59:53,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 03:59:53,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 03:59:53,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 03:59:53,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 03:59:53,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 03:59:53,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 03:59:53,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 03:59:53,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 03:59:53,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 03:59:53,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 03:59:53,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 03:59:53,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:59:53,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 03:59:53,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 03:59:53,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 03:59:53,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 03:59:53,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 03:59:53,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 03:59:53,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 03:59:53,928 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 03:59:54,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 03:59:54,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 03:59:54,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 03:59:54,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 03:59:54,421 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 03:59:54,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_mul_init.i [2020-10-29 03:59:54,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6650847a1/1f365a81a97c418a90f94c0d9f0a84ce/FLAGffad90a3e [2020-10-29 03:59:55,204 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 03:59:55,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_mul_init.i [2020-10-29 03:59:55,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6650847a1/1f365a81a97c418a90f94c0d9f0a84ce/FLAGffad90a3e [2020-10-29 03:59:55,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6650847a1/1f365a81a97c418a90f94c0d9f0a84ce [2020-10-29 03:59:55,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 03:59:55,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 03:59:55,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 03:59:55,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 03:59:55,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 03:59:55,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:59:55" (1/1) ... [2020-10-29 03:59:55,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5062ec77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:55, skipping insertion in model container [2020-10-29 03:59:55,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:59:55" (1/1) ... [2020-10-29 03:59:55,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 03:59:55,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 03:59:55,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:59:58,151 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 03:59:58,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:59:58,252 INFO L208 MainTranslator]: Completed translation [2020-10-29 03:59:58,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58 WrapperNode [2020-10-29 03:59:58,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 03:59:58,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 03:59:58,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 03:59:58,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 03:59:58,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (1/1) ... [2020-10-29 03:59:58,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 03:59:58,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 03:59:58,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 03:59:58,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 03:59:58,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (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 [2020-10-29 03:59:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 03:59:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 03:59:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 03:59:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-29 03:59:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 03:59:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 03:59:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 03:59:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 03:59:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 03:59:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 03:59:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 03:59:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 03:59:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-29 03:59:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-29 03:59:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 03:59:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 03:59:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 03:59:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 03:59:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 03:59:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 03:59:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 03:59:59,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 03:59:59,098 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-29 03:59:59,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:59:59 BoogieIcfgContainer [2020-10-29 03:59:59,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 03:59:59,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 03:59:59,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 03:59:59,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 03:59:59,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:59:55" (1/3) ... [2020-10-29 03:59:59,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aed4495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:59:59, skipping insertion in model container [2020-10-29 03:59:59,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:59:58" (2/3) ... [2020-10-29 03:59:59,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aed4495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:59:59, skipping insertion in model container [2020-10-29 03:59:59,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:59:59" (3/3) ... [2020-10-29 03:59:59,111 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_mul_init.i [2020-10-29 03:59:59,126 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 03:59:59,132 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 03:59:59,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 03:59:59,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 03:59:59,179 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 03:59:59,179 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 03:59:59,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 03:59:59,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 03:59:59,180 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 03:59:59,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 03:59:59,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 03:59:59,198 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-29 03:59:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-29 03:59:59,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:59:59,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:59:59,206 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:59:59,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:59:59,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1981251521, now seen corresponding path program 1 times [2020-10-29 03:59:59,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:59:59,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906737117] [2020-10-29 03:59:59,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:59:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:59:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:59:59,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:59:59,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:59:59,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:00:00,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:00:00,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 04:00:00,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:00:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-29 04:00:00,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:00:00,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:00:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 04:00:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:00:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 04:00:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:00:00,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:00:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:00:00,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:00:00,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:00:00,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:00:00,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:00:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 04:00:00,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:00:00,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:00:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:00:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:00:00,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:00:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:00:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:00:00,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906737117] [2020-10-29 04:00:00,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:00:00,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 04:00:00,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963366910] [2020-10-29 04:00:00,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:00:00,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:00:00,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:00:00,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:00:00,713 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 7 states. [2020-10-29 04:00:01,349 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-10-29 04:00:01,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:00:01,595 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2020-10-29 04:00:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 04:00:01,597 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-29 04:00:01,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:00:01,605 INFO L225 Difference]: With dead ends: 83 [2020-10-29 04:00:01,605 INFO L226 Difference]: Without dead ends: 37 [2020-10-29 04:00:01,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 04:00:01,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-29 04:00:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-29 04:00:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 04:00:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2020-10-29 04:00:01,658 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 18 [2020-10-29 04:00:01,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:00:01,658 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2020-10-29 04:00:01,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:00:01,659 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2020-10-29 04:00:01,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-29 04:00:01,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:00:01,660 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] [2020-10-29 04:00:01,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:00:01,661 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:00:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:00:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash -62151596, now seen corresponding path program 1 times [2020-10-29 04:00:01,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:00:01,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596619506] [2020-10-29 04:00:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:00:01,681 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-29 04:00:01,681 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-10-29 04:00:01,681 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 04:00:01,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:00:01,703 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-29 04:00:01,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:00:01 BoogieIcfgContainer [2020-10-29 04:00:01,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:00:01,706 INFO L168 Benchmark]: Toolchain (without parser) took 6168.98 ms. Allocated memory was 157.3 MB in the beginning and 853.5 MB in the end (delta: 696.3 MB). Free memory was 139.2 MB in the beginning and 525.9 MB in the end (delta: -386.7 MB). Peak memory consumption was 310.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:00:01,707 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 157.3 MB. Free memory is still 128.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:00:01,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2713.26 ms. Allocated memory was 157.3 MB in the beginning and 853.5 MB in the end (delta: 696.3 MB). Free memory was 138.6 MB in the beginning and 595.6 MB in the end (delta: -457.0 MB). Peak memory consumption was 297.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:00:01,709 INFO L168 Benchmark]: Boogie Preprocessor took 121.28 ms. Allocated memory is still 853.5 MB. Free memory was 595.6 MB in the beginning and 600.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:00:01,710 INFO L168 Benchmark]: RCFGBuilder took 720.55 ms. Allocated memory is still 853.5 MB. Free memory was 600.8 MB in the beginning and 584.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:00:01,711 INFO L168 Benchmark]: TraceAbstraction took 2601.64 ms. Allocated memory is still 853.5 MB. Free memory was 584.1 MB in the beginning and 525.9 MB in the end (delta: 58.2 MB). Peak memory consumption was 60.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:00:01,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 157.3 MB. Free memory is still 128.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2713.26 ms. Allocated memory was 157.3 MB in the beginning and 853.5 MB in the end (delta: 696.3 MB). Free memory was 138.6 MB in the beginning and 595.6 MB in the end (delta: -457.0 MB). Peak memory consumption was 297.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.28 ms. Allocated memory is still 853.5 MB. Free memory was 595.6 MB in the beginning and 600.8 MB in the end (delta: -5.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 720.55 ms. Allocated memory is still 853.5 MB. Free memory was 600.8 MB in the beginning and 584.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2601.64 ms. Allocated memory is still 853.5 MB. Free memory was 584.1 MB in the beginning and 525.9 MB in the end (delta: 58.2 MB). Peak memory consumption was 60.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: 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: [L14-L17] struct S { unsigned short p; unsigned short q; } a[100000]; [L22] unsigned char k; [L23] int i; [L24] i = 0 [L24] COND TRUE i < 100000 [L26] a[i].p = i [L27] a[i].q = i [L24] i++ [L24] COND FALSE !(i < 100000) [L29] i = 0 [L29] COND FALSE !(i < 100000) [L38] i = 0 [L38] COND TRUE i < 100000 [L40] EXPR a[i].p [L40] EXPR a[i].q [L40] EXPR a[i].p == a[i].q || a[i].q == a[i].p * a[i].p [L40] EXPR a[i].q [L40] EXPR a[i].p [L40] EXPR a[i].p [L40] EXPR a[i].p == a[i].q || a[i].q == a[i].p * a[i].p [L40] CALL __VERIFIER_assert(a[i].p == a[i].q || a[i].q == a[i].p * a[i].p) [L13] COND TRUE !(cond) [L13] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "array_of_struct_ptr_mul_init.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 54 SDslu, 50 SDs, 0 SdLazy, 125 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 1717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...