/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:23:57,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:23:57,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:23:57,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:23:57,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:23:57,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:23:57,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:23:57,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:23:57,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:23:57,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:23:57,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:23:57,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:23:57,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:23:57,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:23:57,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:23:57,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:23:57,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:23:57,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:23:57,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:23:57,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:23:57,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:23:57,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:23:57,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:23:57,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:23:57,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:23:57,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:23:57,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:23:57,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:23:57,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:23:57,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:23:57,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:23:57,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:23:57,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:23:57,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:23:57,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:23:57,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:23:57,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:23:57,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:23:57,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:23:57,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:23:57,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:23:57,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:23:57,674 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:23:57,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:23:57,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:23:57,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:23:57,678 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:23:57,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:23:57,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:23:57,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:23:57,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:23:57,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:23:57,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:23:57,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:23:57,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:23:57,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:23:57,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:23:57,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:23:57,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:23:57,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:23:57,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:23:57,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:23:57,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:23:57,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:23:57,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:23:57,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:23:57,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:23:57,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:23:57,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:23:57,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:23:57,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:23:57,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:23:58,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:23:58,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:23:58,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:23:58,192 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:23:58,192 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:23:58,194 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_overflow.i [2020-09-21 11:23:58,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4c9f259/f9ec1c2042304f57b15d17e6290d196f/FLAG8d9c0c4f8 [2020-09-21 11:23:58,915 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:23:58,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_overflow.i [2020-09-21 11:23:58,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4c9f259/f9ec1c2042304f57b15d17e6290d196f/FLAG8d9c0c4f8 [2020-09-21 11:23:59,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf4c9f259/f9ec1c2042304f57b15d17e6290d196f [2020-09-21 11:23:59,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:23:59,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:23:59,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:23:59,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:23:59,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:23:59,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:23:59" (1/1) ... [2020-09-21 11:23:59,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7636aefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:59, skipping insertion in model container [2020-09-21 11:23:59,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:23:59" (1/1) ... [2020-09-21 11:23:59,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:23:59,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:23:59,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:23:59,842 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:23:59,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:00,052 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:24:00,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00 WrapperNode [2020-09-21 11:24:00,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:00,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:24:00,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:24:00,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:24:00,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... [2020-09-21 11:24:00,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:24:00,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:24:00,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:24:00,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:24:00,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:24:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:24:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-21 11:24:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:24:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2020-09-21 11:24:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:24:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-21 11:24:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-21 11:24:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-21 11:24:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-21 11:24:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-21 11:24:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-21 11:24:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-21 11:24:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-21 11:24:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-21 11:24:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-21 11:24:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-21 11:24:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-21 11:24:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-21 11:24:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-21 11:24:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-21 11:24:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-21 11:24:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-21 11:24:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-21 11:24:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-21 11:24:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-21 11:24:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-21 11:24:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-21 11:24:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-21 11:24:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-21 11:24:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-21 11:24:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-21 11:24:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-21 11:24:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-21 11:24:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-21 11:24:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-21 11:24:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-21 11:24:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-21 11:24:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-21 11:24:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-21 11:24:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-21 11:24:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-21 11:24:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-21 11:24:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-21 11:24:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-21 11:24:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-21 11:24:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-21 11:24:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-21 11:24:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-21 11:24:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-21 11:24:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:24:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 11:24:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 11:24:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:24:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 11:24:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-21 11:24:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 11:24:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-21 11:24:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:24:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-21 11:24:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-21 11:24:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:24:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-21 11:24:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-21 11:24:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2020-09-21 11:24:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-21 11:24:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-21 11:24:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-21 11:24:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-21 11:24:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-21 11:24:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-21 11:24:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-21 11:24:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-21 11:24:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-21 11:24:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-21 11:24:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-21 11:24:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-21 11:24:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-21 11:24:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-21 11:24:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-21 11:24:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-21 11:24:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-21 11:24:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-21 11:24:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-21 11:24:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-21 11:24:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-21 11:24:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-21 11:24:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-21 11:24:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-21 11:24:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-21 11:24:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-21 11:24:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-21 11:24:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-21 11:24:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-21 11:24:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-21 11:24:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-21 11:24:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-21 11:24:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-21 11:24:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-21 11:24:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-21 11:24:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-21 11:24:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-21 11:24:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-21 11:24:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-21 11:24:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-21 11:24:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-21 11:24:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-21 11:24:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-21 11:24:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-21 11:24:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-21 11:24:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-21 11:24:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-21 11:24:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-21 11:24:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-21 11:24:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-21 11:24:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-21 11:24:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-21 11:24:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-21 11:24:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-21 11:24:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-21 11:24:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-21 11:24:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-21 11:24:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-21 11:24:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-21 11:24:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-21 11:24:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-21 11:24:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-21 11:24:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-21 11:24:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-21 11:24:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-21 11:24:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-21 11:24:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-21 11:24:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-21 11:24:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:24:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-21 11:24:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-21 11:24:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-21 11:24:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-21 11:24:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-21 11:24:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-21 11:24:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-21 11:24:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-21 11:24:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-21 11:24:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-21 11:24:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-21 11:24:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-21 11:24:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-21 11:24:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-21 11:24:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-21 11:24:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-21 11:24:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-21 11:24:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-21 11:24:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-21 11:24:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-21 11:24:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-21 11:24:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-21 11:24:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-21 11:24:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-21 11:24:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-21 11:24:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-21 11:24:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-21 11:24:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-21 11:24:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-21 11:24:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-21 11:24:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-21 11:24:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-21 11:24:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-21 11:24:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-21 11:24:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-21 11:24:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-21 11:24:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-21 11:24:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-21 11:24:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-21 11:24:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-21 11:24:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-21 11:24:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-21 11:24:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-21 11:24:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-21 11:24:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-21 11:24:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-21 11:24:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-21 11:24:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-21 11:24:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-21 11:24:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-21 11:24:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-21 11:24:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-21 11:24:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-21 11:24:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-21 11:24:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-21 11:24:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-21 11:24:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-21 11:24:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-21 11:24:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-21 11:24:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-21 11:24:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-21 11:24:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-21 11:24:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-21 11:24:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2020-09-21 11:24:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:24:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:24:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:24:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:24:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:24:00,825 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:24:00,825 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:24:00,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:00 BoogieIcfgContainer [2020-09-21 11:24:00,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:24:00,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:24:00,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:24:00,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:24:00,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:23:59" (1/3) ... [2020-09-21 11:24:00,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4dbbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:00, skipping insertion in model container [2020-09-21 11:24:00,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:00" (2/3) ... [2020-09-21 11:24:00,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4dbbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:00, skipping insertion in model container [2020-09-21 11:24:00,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:00" (3/3) ... [2020-09-21 11:24:00,842 INFO L109 eAbstractionObserver]: Analyzing ICFG test_overflow.i [2020-09-21 11:24:00,856 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:24:00,866 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:24:00,889 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:24:00,928 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:24:00,929 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:24:00,929 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:24:00,929 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:24:00,929 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:24:00,929 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:24:00,929 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:24:00,929 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:24:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-09-21 11:24:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 11:24:00,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:00,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:00,956 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:00,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:00,963 INFO L82 PathProgramCache]: Analyzing trace with hash -334787034, now seen corresponding path program 1 times [2020-09-21 11:24:00,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:00,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613194238] [2020-09-21 11:24:00,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:01,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:01,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:01,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:01,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:24:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:01,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:24:01,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:24:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:24:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:01,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:01,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:01,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:01,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:01,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:01,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:01,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:01,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:01,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:24:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:01,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:01,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:01,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:01,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:01,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:01,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:01,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:01,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:01,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:01,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:01,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613194238] [2020-09-21 11:24:01,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:01,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:24:01,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193940393] [2020-09-21 11:24:01,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:01,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:01,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:01,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:01,364 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2020-09-21 11:24:01,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:01,456 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-09-21 11:24:01,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:24:01,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 11:24:01,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:01,468 INFO L225 Difference]: With dead ends: 27 [2020-09-21 11:24:01,468 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:24:01,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:24:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:24:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:24:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:24:01,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-09-21 11:24:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:01,507 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:24:01,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:24:01,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:24:01,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:24:01,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:24:01,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:24:01,701 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#length)| |#length|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~globalSize~0 |old(~globalSize~0)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:24:01,701 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:24:01,702 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1605) no Hoare annotation was computed. [2020-09-21 11:24:01,702 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 1603 1606) no Hoare annotation was computed. [2020-09-21 11:24:01,702 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 1603 1606) no Hoare annotation was computed. [2020-09-21 11:24:01,702 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 1603 1606) the Hoare annotation is: true [2020-09-21 11:24:01,702 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:24:01,702 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-21 11:24:01,702 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:24:01,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:24:01,703 INFO L264 CegarLoopResult]: At program point L1617(line 1617) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-09-21 11:24:01,703 INFO L268 CegarLoopResult]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2020-09-21 11:24:01,703 INFO L264 CegarLoopResult]: At program point L1618-2(line 1618) the Hoare annotation is: false [2020-09-21 11:24:01,703 INFO L268 CegarLoopResult]: For program point L1618-3(line 1618) no Hoare annotation was computed. [2020-09-21 11:24:01,703 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1614 1621) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-09-21 11:24:01,704 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1614 1621) no Hoare annotation was computed. [2020-09-21 11:24:01,704 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1614 1621) no Hoare annotation was computed. [2020-09-21 11:24:01,704 INFO L268 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-09-21 11:24:01,704 INFO L268 CegarLoopResult]: For program point getServiceEXIT(lines 1624 1629) no Hoare annotation was computed. [2020-09-21 11:24:01,704 INFO L264 CegarLoopResult]: At program point getServiceENTRY(lines 1624 1629) the Hoare annotation is: (= |old(~globalSize~0)| ~globalSize~0) [2020-09-21 11:24:01,705 INFO L268 CegarLoopResult]: For program point getServiceFINAL(lines 1624 1629) no Hoare annotation was computed. [2020-09-21 11:24:01,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:24:01 BoogieIcfgContainer [2020-09-21 11:24:01,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:24:01,717 INFO L168 Benchmark]: Toolchain (without parser) took 2521.58 ms. Allocated memory was 140.0 MB in the beginning and 236.5 MB in the end (delta: 96.5 MB). Free memory was 101.5 MB in the beginning and 158.2 MB in the end (delta: -56.7 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:01,719 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:24:01,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.74 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 153.8 MB in the end (delta: -52.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:01,722 INFO L168 Benchmark]: Boogie Preprocessor took 92.05 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 150.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:01,723 INFO L168 Benchmark]: RCFGBuilder took 684.28 ms. Allocated memory is still 202.9 MB. Free memory was 150.3 MB in the beginning and 92.8 MB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:24:01,725 INFO L168 Benchmark]: TraceAbstraction took 881.26 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 92.8 MB in the beginning and 158.2 MB in the end (delta: -65.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:24:01,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 855.74 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 153.8 MB in the end (delta: -52.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.05 ms. Allocated memory is still 202.9 MB. Free memory was 153.8 MB in the beginning and 150.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 684.28 ms. Allocated memory is still 202.9 MB. Free memory was 150.3 MB in the beginning and 92.8 MB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 881.26 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 92.8 MB in the beginning and 158.2 MB in the end (delta: -65.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1605]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 6 SDslu, 14 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 41 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 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...