/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:31:41,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:31:41,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:31:41,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:31:41,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:31:41,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:31:41,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:31:41,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:31:41,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:31:41,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:31:41,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:31:41,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:31:41,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:31:41,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:31:41,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:31:41,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:31:41,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:31:41,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:31:41,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:31:41,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:31:41,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:31:41,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:31:41,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:31:41,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:31:41,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:31:41,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:31:41,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:31:41,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:31:41,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:31:41,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:31:41,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:31:41,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:31:41,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:31:41,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:31:41,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:31:41,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:31:41,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:31:41,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:31:41,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:31:41,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:31:41,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:31:41,789 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 [2020-09-25 12:31:41,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:31:41,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:31:41,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:31:41,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:31:41,838 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:31:41,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:31:41,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:31:41,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:31:41,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:31:41,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:31:41,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:31:41,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:31:41,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:31:41,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:31:41,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:31:41,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:31:41,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:31:41,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:31:41,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:31:41,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:31:41,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:31:41,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:31:41,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:31:41,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:31:41,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:31:41,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:31:41,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:31:41,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:31:41,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:31:41,844 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.rcfgbuilder: Size of a code block -> SingleStatement 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; 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; 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; 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; 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; 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; [2020-09-25 12:31:42,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:31:42,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:31:42,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:31:42,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:31:42,374 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:31:42,376 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 12:31:42,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de072f284/30534d1e28284867bf4ceaaef21fa8cc/FLAG9f687c123 [2020-09-25 12:31:43,059 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:31:43,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 12:31:43,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de072f284/30534d1e28284867bf4ceaaef21fa8cc/FLAG9f687c123 [2020-09-25 12:31:43,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de072f284/30534d1e28284867bf4ceaaef21fa8cc [2020-09-25 12:31:43,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:31:43,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:31:43,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:31:43,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:31:43,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:31:43,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b610eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43, skipping insertion in model container [2020-09-25 12:31:43,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:31:43,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:31:43,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:31:43,737 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:31:43,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:31:43,875 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:31:43,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43 WrapperNode [2020-09-25 12:31:43,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:31:43,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:31:43,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:31:43,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:31:43,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (1/1) ... [2020-09-25 12:31:43,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:31:43,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:31:43,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:31:43,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:31:43,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (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 [2020-09-25 12:31:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:31:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:31:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 12:31:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2020-09-25 12:31:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2020-09-25 12:31:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:31:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:31:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 12:31:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 12:31:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-09-25 12:31:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-09-25 12:31:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-09-25 12:31:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-09-25 12:31:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2020-09-25 12:31:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-09-25 12:31:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-25 12:31:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-09-25 12:31:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-25 12:31:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-09-25 12:31:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 12:31:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-09-25 12:31:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-09-25 12:31:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 12:31:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2020-09-25 12:31:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2020-09-25 12:31:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2020-09-25 12:31:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2020-09-25 12:31:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2020-09-25 12:31:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2020-09-25 12:31:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2020-09-25 12:31:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2020-09-25 12:31:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2020-09-25 12:31:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2020-09-25 12:31:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2020-09-25 12:31:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2020-09-25 12:31:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:31:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:31:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:31:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:31:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:31:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:31:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:31:44,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:31:44,506 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 12:31:44,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:44 BoogieIcfgContainer [2020-09-25 12:31:44,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:31:44,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:31:44,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:31:44,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:31:44,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:31:43" (1/3) ... [2020-09-25 12:31:44,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1025bb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:31:44, skipping insertion in model container [2020-09-25 12:31:44,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:43" (2/3) ... [2020-09-25 12:31:44,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1025bb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:31:44, skipping insertion in model container [2020-09-25 12:31:44,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:44" (3/3) ... [2020-09-25 12:31:44,534 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2020-09-25 12:31:44,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:31:44,559 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:31:44,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:31:44,619 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:31:44,620 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:31:44,620 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:31:44,620 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:31:44,620 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:31:44,621 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:31:44,621 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:31:44,621 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:31:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-09-25 12:31:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-25 12:31:44,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:31:44,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:31:44,657 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:31:44,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:31:44,664 INFO L82 PathProgramCache]: Analyzing trace with hash 593727157, now seen corresponding path program 1 times [2020-09-25 12:31:44,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:31:44,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196163753] [2020-09-25 12:31:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:31:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:31:44,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:44,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:45,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:47,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:31:47,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-25 12:31:47,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 12:31:47,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2904 [2020-09-25 12:31:47,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:31:47,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:31:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:31:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 12:31:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 12:31:47,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:31:47,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:31:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:31:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:47,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:31:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:31:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:31:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:31:47,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:31:47,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:31:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:31:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:31:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:31:47,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:31:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:31:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:31:47,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:31:47,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:31:47,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:31:47,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:31:47,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:31:47,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:31:47,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:31:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:31:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:31:47,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 12:31:47,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:31:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:31:48,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196163753] [2020-09-25 12:31:48,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:31:48,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:31:48,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52646673] [2020-09-25 12:31:48,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:31:48,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:31:48,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:31:48,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:31:48,041 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 8 states. [2020-09-25 12:31:49,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:31:49,004 INFO L93 Difference]: Finished difference Result 348 states and 405 transitions. [2020-09-25 12:31:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 12:31:49,007 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-25 12:31:49,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:31:49,024 INFO L225 Difference]: With dead ends: 348 [2020-09-25 12:31:49,026 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:31:49,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-09-25 12:31:49,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:31:49,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:31:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:31:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:31:49,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-09-25 12:31:49,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:31:49,102 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:31:49,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:31:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:31:49,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:31:49,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:31:49,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:31:49,277 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,277 INFO L268 CegarLoopResult]: For program point L60-1(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,277 INFO L268 CegarLoopResult]: For program point L60-2(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,277 INFO L268 CegarLoopResult]: For program point L60-4(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,277 INFO L268 CegarLoopResult]: For program point L60-5(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,278 INFO L268 CegarLoopResult]: For program point L60-6(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,278 INFO L268 CegarLoopResult]: For program point L60-7(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,278 INFO L268 CegarLoopResult]: For program point L60-8(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,278 INFO L268 CegarLoopResult]: For program point L60-9(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,278 INFO L268 CegarLoopResult]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2020-09-25 12:31:49,278 INFO L268 CegarLoopResult]: For program point L60-11(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,279 INFO L271 CegarLoopResult]: At program point L52-3(lines 52 73) the Hoare annotation is: true [2020-09-25 12:31:49,279 INFO L268 CegarLoopResult]: For program point L60-12(line 60) no Hoare annotation was computed. [2020-09-25 12:31:49,279 INFO L268 CegarLoopResult]: For program point L52-4(lines 52 73) no Hoare annotation was computed. [2020-09-25 12:31:49,279 INFO L268 CegarLoopResult]: For program point L60-13(lines 54 72) no Hoare annotation was computed. [2020-09-25 12:31:49,279 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-09-25 12:31:49,280 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-25 12:31:49,280 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-09-25 12:31:49,280 INFO L268 CegarLoopResult]: For program point L62(lines 62 64) no Hoare annotation was computed. [2020-09-25 12:31:49,280 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 12:31:49,280 INFO L268 CegarLoopResult]: For program point L54-1(line 54) no Hoare annotation was computed. [2020-09-25 12:31:49,280 INFO L268 CegarLoopResult]: For program point L54-2(lines 54 72) no Hoare annotation was computed. [2020-09-25 12:31:49,281 INFO L268 CegarLoopResult]: For program point L54-3(lines 54 72) no Hoare annotation was computed. [2020-09-25 12:31:49,281 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-25 12:31:49,281 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 12:31:49,281 INFO L268 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,281 INFO L268 CegarLoopResult]: For program point L56-2(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,281 INFO L268 CegarLoopResult]: For program point L56-4(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,282 INFO L268 CegarLoopResult]: For program point L56-5(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,282 INFO L268 CegarLoopResult]: For program point L56-6(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,282 INFO L268 CegarLoopResult]: For program point L56-7(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,282 INFO L268 CegarLoopResult]: For program point L56-8(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,282 INFO L268 CegarLoopResult]: For program point L56-9(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,282 INFO L268 CegarLoopResult]: For program point L56-11(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L56-12(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L56-13(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L56-14(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L56-15(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L73(lines 52 73) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L56-16(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,283 INFO L268 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2020-09-25 12:31:49,284 INFO L271 CegarLoopResult]: At program point L56-17(line 56) the Hoare annotation is: true [2020-09-25 12:31:49,284 INFO L268 CegarLoopResult]: For program point L73-2(line 73) no Hoare annotation was computed. [2020-09-25 12:31:49,284 INFO L268 CegarLoopResult]: For program point L56-18(line 56) no Hoare annotation was computed. [2020-09-25 12:31:49,284 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (<= parse_expression_list_~j~0 parse_expression_list_~start~0) [2020-09-25 12:31:49,284 INFO L268 CegarLoopResult]: For program point L65-1(line 65) no Hoare annotation was computed. [2020-09-25 12:31:49,285 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,285 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,285 INFO L268 CegarLoopResult]: For program point L57-2(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,285 INFO L268 CegarLoopResult]: For program point L57-3(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,285 INFO L268 CegarLoopResult]: For program point L57-4(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,285 INFO L268 CegarLoopResult]: For program point L57-6(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,286 INFO L268 CegarLoopResult]: For program point L57-7(line 57) no Hoare annotation was computed. [2020-09-25 12:31:49,286 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 12:31:49,286 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-09-25 12:31:49,286 INFO L268 CegarLoopResult]: For program point L49-2(line 49) no Hoare annotation was computed. [2020-09-25 12:31:49,286 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (<= parse_expression_list_~j~0 parse_expression_list_~start~0) [2020-09-25 12:31:49,286 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-09-25 12:31:49,287 INFO L268 CegarLoopResult]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2020-09-25 12:31:49,287 INFO L264 CegarLoopResult]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 12:31:49,287 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,287 INFO L268 CegarLoopResult]: For program point L50-1(lines 48 75) no Hoare annotation was computed. [2020-09-25 12:31:49,287 INFO L268 CegarLoopResult]: For program point L50-2(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,288 INFO L268 CegarLoopResult]: For program point L50-3(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,288 INFO L268 CegarLoopResult]: For program point L50-4(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,288 INFO L268 CegarLoopResult]: For program point L50-5(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,288 INFO L268 CegarLoopResult]: For program point L50-6(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,288 INFO L268 CegarLoopResult]: For program point L50-7(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,288 INFO L268 CegarLoopResult]: For program point L50-8(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,289 INFO L268 CegarLoopResult]: For program point L50-9(line 50) no Hoare annotation was computed. [2020-09-25 12:31:49,289 INFO L268 CegarLoopResult]: For program point L67(lines 61 70) no Hoare annotation was computed. [2020-09-25 12:31:49,289 INFO L268 CegarLoopResult]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2020-09-25 12:31:49,289 INFO L268 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,289 INFO L268 CegarLoopResult]: For program point L59-2(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,289 INFO L268 CegarLoopResult]: For program point L59-3(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,290 INFO L268 CegarLoopResult]: For program point L59-4(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,290 INFO L268 CegarLoopResult]: For program point L59-6(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,290 INFO L268 CegarLoopResult]: For program point L59-7(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,290 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 12:31:49,290 INFO L268 CegarLoopResult]: For program point L59-8(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,290 INFO L268 CegarLoopResult]: For program point L59-10(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,291 INFO L268 CegarLoopResult]: For program point L59-11(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,291 INFO L268 CegarLoopResult]: For program point L59-12(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,291 INFO L268 CegarLoopResult]: For program point L59-13(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,291 INFO L268 CegarLoopResult]: For program point L59-14(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,291 INFO L268 CegarLoopResult]: For program point L59-16(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,292 INFO L268 CegarLoopResult]: For program point L59-17(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,292 INFO L268 CegarLoopResult]: For program point L59-18(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,292 INFO L268 CegarLoopResult]: For program point L59-19(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,292 INFO L268 CegarLoopResult]: For program point L59-20(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,292 INFO L268 CegarLoopResult]: For program point L59-21(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,293 INFO L268 CegarLoopResult]: For program point L59-22(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,293 INFO L271 CegarLoopResult]: At program point L59-23(line 59) the Hoare annotation is: true [2020-09-25 12:31:49,293 INFO L268 CegarLoopResult]: For program point L59-24(line 59) no Hoare annotation was computed. [2020-09-25 12:31:49,293 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 12:31:49,293 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 12:31:49,294 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 12:31:49,294 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 12:31:49,294 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 12:31:49,294 INFO L268 CegarLoopResult]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,294 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,295 INFO L268 CegarLoopResult]: For program point L31-1(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,295 INFO L268 CegarLoopResult]: For program point L31-2(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,295 INFO L268 CegarLoopResult]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,295 INFO L268 CegarLoopResult]: For program point L31-3(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,295 INFO L268 CegarLoopResult]: For program point L31-4(line 31) no Hoare annotation was computed. [2020-09-25 12:31:49,295 INFO L271 CegarLoopResult]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2020-09-25 12:31:49,296 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 12:31:49,296 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 12:31:49,296 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 12:31:49,296 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 12:31:49,296 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2020-09-25 12:31:49,296 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 12:31:49,297 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-09-25 12:31:49,297 INFO L268 CegarLoopResult]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2020-09-25 12:31:49,297 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2020-09-25 12:31:49,297 INFO L268 CegarLoopResult]: For program point L79-3(line 79) no Hoare annotation was computed. [2020-09-25 12:31:49,297 INFO L268 CegarLoopResult]: For program point L79-4(line 79) no Hoare annotation was computed. [2020-09-25 12:31:49,297 INFO L271 CegarLoopResult]: At program point L79-5(lines 79 81) the Hoare annotation is: true [2020-09-25 12:31:49,298 INFO L268 CegarLoopResult]: For program point L79-6(lines 79 81) no Hoare annotation was computed. [2020-09-25 12:31:49,298 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 76 85) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 12:31:49,298 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-25 12:31:49,298 INFO L271 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: true [2020-09-25 12:31:49,298 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 12:31:49,298 INFO L268 CegarLoopResult]: For program point L80-1(line 80) no Hoare annotation was computed. [2020-09-25 12:31:49,299 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 12:31:49,299 INFO L268 CegarLoopResult]: For program point L80-2(line 80) no Hoare annotation was computed. [2020-09-25 12:31:49,299 INFO L268 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-09-25 12:31:49,299 INFO L268 CegarLoopResult]: For program point L78-2(line 78) no Hoare annotation was computed. [2020-09-25 12:31:49,299 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2020-09-25 12:31:49,299 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2020-09-25 12:31:49,300 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 12:31:49,300 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-09-25 12:31:49,300 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-09-25 12:31:49,300 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2020-09-25 12:31:49,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:31:49 BoogieIcfgContainer [2020-09-25 12:31:49,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 12:31:49,317 INFO L168 Benchmark]: Toolchain (without parser) took 5921.54 ms. Allocated memory was 141.6 MB in the beginning and 244.3 MB in the end (delta: 102.8 MB). Free memory was 104.7 MB in the beginning and 187.6 MB in the end (delta: -83.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-09-25 12:31:49,318 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 12:31:49,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.61 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 104.0 MB in the beginning and 179.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-09-25 12:31:49,320 INFO L168 Benchmark]: Boogie Preprocessor took 55.37 ms. Allocated memory is still 202.9 MB. Free memory was 179.1 MB in the beginning and 177.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-25 12:31:49,321 INFO L168 Benchmark]: RCFGBuilder took 585.30 ms. Allocated memory is still 202.9 MB. Free memory was 177.1 MB in the beginning and 142.5 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-09-25 12:31:49,322 INFO L168 Benchmark]: TraceAbstraction took 4791.10 ms. Allocated memory was 202.9 MB in the beginning and 244.3 MB in the end (delta: 41.4 MB). Free memory was 141.9 MB in the beginning and 187.6 MB in the end (delta: -45.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 12:31:49,326 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 476.61 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 104.0 MB in the beginning and 179.1 MB in the end (delta: -75.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.37 ms. Allocated memory is still 202.9 MB. Free memory was 179.1 MB in the beginning and 177.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 585.30 ms. Allocated memory is still 202.9 MB. Free memory was 177.1 MB in the beginning and 142.5 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4791.10 ms. Allocated memory was 202.9 MB in the beginning and 244.3 MB in the end (delta: 41.4 MB). Free memory was 141.9 MB in the beginning and 187.6 MB in the end (delta: -45.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 128 SDtfs, 243 SDslu, 436 SDs, 0 SdLazy, 270 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 35 NumberOfFragments, 31 HoareAnnotationTreeSize, 24 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 14 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 5850 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 proved your program to be correct! Received shutdown request...