/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:28:18,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:28:18,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:28:18,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:28:18,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:28:18,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:28:18,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:28:18,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:28:18,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:28:18,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:28:18,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:28:18,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:28:18,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:28:18,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:28:18,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:28:18,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:28:18,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:28:18,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:28:18,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:28:18,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:28:18,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:28:18,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:28:18,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:28:18,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:28:18,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:28:18,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:28:18,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:28:18,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:28:18,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:28:18,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:28:18,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:28:18,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:28:18,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:28:18,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:28:18,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:28:18,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:28:18,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:28:18,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:28:18,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:28:18,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:28:18,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:28:18,206 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 13:28:18,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:28:18,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:28:18,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:28:18,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:28:18,260 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:28:18,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:28:18,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:28:18,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:28:18,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:28:18,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:28:18,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:28:18,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:28:18,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:28:18,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:28:18,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:28:18,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:28:18,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:28:18,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:28:18,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:28:18,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:28:18,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:28:18,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:28:18,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:28:18,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:28:18,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:28:18,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:28:18,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:28:18,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:28:18,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:28:18,267 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:28:18,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:28:18,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:28:18,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:28:18,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:28:18,764 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:28:18,765 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-09-25 13:28:18,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a04d5e97a/f2021d2a8ec4435ab52b3e83bbcf7431/FLAG571c1031d [2020-09-25 13:28:19,527 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:28:19,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-09-25 13:28:19,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a04d5e97a/f2021d2a8ec4435ab52b3e83bbcf7431/FLAG571c1031d [2020-09-25 13:28:19,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a04d5e97a/f2021d2a8ec4435ab52b3e83bbcf7431 [2020-09-25 13:28:19,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:28:19,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:28:19,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:28:19,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:28:19,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:28:19,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:28:19" (1/1) ... [2020-09-25 13:28:19,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:19, skipping insertion in model container [2020-09-25 13:28:19,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:28:19" (1/1) ... [2020-09-25 13:28:19,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:28:19,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:28:20,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:28:20,423 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:28:20,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:28:20,551 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:28:20,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20 WrapperNode [2020-09-25 13:28:20,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:28:20,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:28:20,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:28:20,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:28:20,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (1/1) ... [2020-09-25 13:28:20,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:28:20,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:28:20,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:28:20,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:28:20,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (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 13:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 13:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 13:28:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2020-09-25 13:28:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2020-09-25 13:28:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:28:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 13:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 13:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 13:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 13:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 13:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 13:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 13:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 13:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 13:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 13:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 13:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 13:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 13:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 13:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 13:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 13:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 13:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 13:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 13:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 13:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 13:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 13:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 13:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 13:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 13:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 13:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 13:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 13:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 13:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 13:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 13:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 13:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 13:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 13:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 13:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 13:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 13:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 13:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 13:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 13:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 13:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 13:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 13:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 13:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 13:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 13:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 13:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 13:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 13:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 13:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 13:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 13:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 13:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 13:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 13:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 13:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 13:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 13:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 13:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 13:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 13:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 13:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 13:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 13:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 13:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 13:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 13:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 13:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 13:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 13:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 13:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 13:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 13:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 13:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2020-09-25 13:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 13:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:28:21,325 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:28:21,325 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 13:28:21,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:28:21 BoogieIcfgContainer [2020-09-25 13:28:21,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:28:21,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:28:21,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:28:21,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:28:21,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:28:19" (1/3) ... [2020-09-25 13:28:21,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6a0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:28:21, skipping insertion in model container [2020-09-25 13:28:21,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:28:20" (2/3) ... [2020-09-25 13:28:21,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae6a0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:28:21, skipping insertion in model container [2020-09-25 13:28:21,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:28:21" (3/3) ... [2020-09-25 13:28:21,341 INFO L109 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2020-09-25 13:28:21,354 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:28:21,366 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-25 13:28:21,390 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-09-25 13:28:21,424 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:28:21,424 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:28:21,424 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:28:21,425 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:28:21,425 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:28:21,425 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:28:21,425 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:28:21,425 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:28:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2020-09-25 13:28:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-25 13:28:21,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:21,464 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] [2020-09-25 13:28:21,465 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:21,473 INFO L82 PathProgramCache]: Analyzing trace with hash 958208796, now seen corresponding path program 1 times [2020-09-25 13:28:21,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:21,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026219645] [2020-09-25 13:28:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:21,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:21,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:21,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:21,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 13:28:21,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:28:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-09-25 13:28:21,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:21,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:28:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:28:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:28:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:22,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:22,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:28:22,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:22,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:28:22,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:22,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:22,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:22,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:22,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 13:28:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:22,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:22,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:28:22,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:28:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 13:28:22,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:22,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:22,252 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 13:28:22,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026219645] [2020-09-25 13:28:22,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:28:22,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:28:22,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003530696] [2020-09-25 13:28:22,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:28:22,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:28:22,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:28:22,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:28:22,288 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 5 states. [2020-09-25 13:28:22,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:28:22,524 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2020-09-25 13:28:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:28:22,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-09-25 13:28:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:28:22,544 INFO L225 Difference]: With dead ends: 124 [2020-09-25 13:28:22,544 INFO L226 Difference]: Without dead ends: 70 [2020-09-25 13:28:22,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:28:22,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-25 13:28:22,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-25 13:28:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 13:28:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2020-09-25 13:28:22,613 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 29 [2020-09-25 13:28:22,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:28:22,613 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2020-09-25 13:28:22,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:28:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2020-09-25 13:28:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-25 13:28:22,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:28:22,617 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] [2020-09-25 13:28:22,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:28:22,618 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:28:22,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:28:22,618 INFO L82 PathProgramCache]: Analyzing trace with hash 663231917, now seen corresponding path program 1 times [2020-09-25 13:28:22,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:28:22,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411680668] [2020-09-25 13:28:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:28:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:22,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:22,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 13:28:22,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 13:28:22,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:22,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:28:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 13:28:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:28:22,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:28:22,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:28:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:22,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:22,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:28:22,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:28:22,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:22,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:22,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:22,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 13:28:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:28:22,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:28:22,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:28:22,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 13:28:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:28:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 13:28:22,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:28:22,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:28:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:28:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:28:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:28:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:28:22,849 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 13:28:22,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411680668] [2020-09-25 13:28:22,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:28:22,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:28:22,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345988245] [2020-09-25 13:28:22,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:28:22,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:28:22,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:28:22,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:28:22,853 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 5 states. [2020-09-25 13:28:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:28:23,032 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2020-09-25 13:28:23,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:28:23,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-09-25 13:28:23,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:28:23,033 INFO L225 Difference]: With dead ends: 71 [2020-09-25 13:28:23,033 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:28:23,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:28:23,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:28:23,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:28:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:28:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:28:23,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-09-25 13:28:23,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:28:23,036 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:28:23,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:28:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:28:23,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:28:23,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:28:23,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:28:23,202 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-09-25 13:28:23,202 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-09-25 13:28:23,202 INFO L271 CegarLoopResult]: At program point L576-1(lines 570 577) the Hoare annotation is: true [2020-09-25 13:28:23,202 INFO L271 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: true [2020-09-25 13:28:23,203 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-25 13:28:23,203 INFO L268 CegarLoopResult]: For program point L572-1(line 572) no Hoare annotation was computed. [2020-09-25 13:28:23,203 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-25 13:28:23,203 INFO L268 CegarLoopResult]: For program point L572-2(line 572) no Hoare annotation was computed. [2020-09-25 13:28:23,203 INFO L268 CegarLoopResult]: For program point L570-2(line 570) no Hoare annotation was computed. [2020-09-25 13:28:23,203 INFO L268 CegarLoopResult]: For program point L570-3(line 570) no Hoare annotation was computed. [2020-09-25 13:28:23,204 INFO L268 CegarLoopResult]: For program point create_listEXIT(lines 569 579) no Hoare annotation was computed. [2020-09-25 13:28:23,204 INFO L268 CegarLoopResult]: For program point L573(lines 573 576) no Hoare annotation was computed. [2020-09-25 13:28:23,204 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-09-25 13:28:23,204 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-09-25 13:28:23,204 INFO L268 CegarLoopResult]: For program point L571-3(line 571) no Hoare annotation was computed. [2020-09-25 13:28:23,204 INFO L268 CegarLoopResult]: For program point L571-4(lines 571 577) no Hoare annotation was computed. [2020-09-25 13:28:23,205 INFO L264 CegarLoopResult]: At program point create_listENTRY(lines 569 579) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 13:28:23,205 INFO L268 CegarLoopResult]: For program point create_listFINAL(lines 569 579) no Hoare annotation was computed. [2020-09-25 13:28:23,205 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-09-25 13:28:23,205 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 13:28:23,205 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 13:28:23,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 13:28:23,206 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 13:28:23,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 13:28:23,206 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 64 68) no Hoare annotation was computed. [2020-09-25 13:28:23,206 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 64 68) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 64 68) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 69 73) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 69 73) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-25 13:28:23,207 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-09-25 13:28:23,208 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 69 73) no Hoare annotation was computed. [2020-09-25 13:28:23,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 13:28:23,208 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 13:28:23,208 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 13:28:23,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 13:28:23,208 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 580 602) no Hoare annotation was computed. [2020-09-25 13:28:23,209 INFO L268 CegarLoopResult]: For program point L597-1(lines 580 602) no Hoare annotation was computed. [2020-09-25 13:28:23,209 INFO L268 CegarLoopResult]: For program point L597-2(lines 580 602) no Hoare annotation was computed. [2020-09-25 13:28:23,209 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-09-25 13:28:23,209 INFO L268 CegarLoopResult]: For program point L593-1(lines 593 594) no Hoare annotation was computed. [2020-09-25 13:28:23,209 INFO L268 CegarLoopResult]: For program point L593-2(line 593) no Hoare annotation was computed. [2020-09-25 13:28:23,209 INFO L268 CegarLoopResult]: For program point L593-4(line 593) no Hoare annotation was computed. [2020-09-25 13:28:23,210 INFO L268 CegarLoopResult]: For program point L593-5(lines 593 594) no Hoare annotation was computed. [2020-09-25 13:28:23,210 INFO L264 CegarLoopResult]: At program point L585-2(lines 585 591) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2020-09-25 13:28:23,210 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-09-25 13:28:23,210 INFO L268 CegarLoopResult]: For program point L581-1(line 581) no Hoare annotation was computed. [2020-09-25 13:28:23,210 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-09-25 13:28:23,211 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 599) no Hoare annotation was computed. [2020-09-25 13:28:23,211 INFO L268 CegarLoopResult]: For program point L598-2(line 598) no Hoare annotation was computed. [2020-09-25 13:28:23,211 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-09-25 13:28:23,211 INFO L268 CegarLoopResult]: For program point L598-4(line 598) no Hoare annotation was computed. [2020-09-25 13:28:23,211 INFO L268 CegarLoopResult]: For program point L598-5(lines 598 599) no Hoare annotation was computed. [2020-09-25 13:28:23,211 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L586-2(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L586-4(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L586-5(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,212 INFO L268 CegarLoopResult]: For program point L586-6(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,213 INFO L268 CegarLoopResult]: For program point L586-7(line 586) no Hoare annotation was computed. [2020-09-25 13:28:23,213 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 599) no Hoare annotation was computed. [2020-09-25 13:28:23,213 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-09-25 13:28:23,213 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-25 13:28:23,213 INFO L268 CegarLoopResult]: For program point L595-1(line 595) no Hoare annotation was computed. [2020-09-25 13:28:23,214 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-25 13:28:23,214 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-09-25 13:28:23,214 INFO L268 CegarLoopResult]: For program point L587-2(line 587) no Hoare annotation was computed. [2020-09-25 13:28:23,214 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-25 13:28:23,214 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 594) no Hoare annotation was computed. [2020-09-25 13:28:23,215 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 580 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 13:28:23,215 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-09-25 13:28:23,215 INFO L268 CegarLoopResult]: For program point L600-1(line 600) no Hoare annotation was computed. [2020-09-25 13:28:23,215 INFO L268 CegarLoopResult]: For program point L592-1(lines 580 602) no Hoare annotation was computed. [2020-09-25 13:28:23,215 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-25 13:28:23,215 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-25 13:28:23,216 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-09-25 13:28:23,216 INFO L268 CegarLoopResult]: For program point append_to_listEXIT(lines 562 568) no Hoare annotation was computed. [2020-09-25 13:28:23,216 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-25 13:28:23,216 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-25 13:28:23,216 INFO L264 CegarLoopResult]: At program point append_to_listENTRY(lines 562 568) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 13:28:23,217 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-09-25 13:28:23,217 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-09-25 13:28:23,217 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-25 13:28:23,217 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-09-25 13:28:23,217 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-09-25 13:28:23,218 INFO L268 CegarLoopResult]: For program point L563-1(line 563) no Hoare annotation was computed. [2020-09-25 13:28:23,218 INFO L268 CegarLoopResult]: For program point L564-2(line 564) no Hoare annotation was computed. [2020-09-25 13:28:23,218 INFO L268 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-09-25 13:28:23,218 INFO L268 CegarLoopResult]: For program point append_to_listFINAL(lines 562 568) no Hoare annotation was computed. [2020-09-25 13:28:23,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:28:23 BoogieIcfgContainer [2020-09-25 13:28:23,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 13:28:23,246 INFO L168 Benchmark]: Toolchain (without parser) took 3435.61 ms. Allocated memory was 137.9 MB in the beginning and 231.7 MB in the end (delta: 93.8 MB). Free memory was 100.2 MB in the beginning and 88.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:23,247 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 13:28:23,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.63 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.5 MB in the beginning and 167.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:23,249 INFO L168 Benchmark]: Boogie Preprocessor took 82.09 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 164.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:23,250 INFO L168 Benchmark]: RCFGBuilder took 695.79 ms. Allocated memory is still 201.3 MB. Free memory was 164.4 MB in the beginning and 114.6 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:23,251 INFO L168 Benchmark]: TraceAbstraction took 1910.12 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 113.9 MB in the beginning and 88.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. [2020-09-25 13:28:23,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.63 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.5 MB in the beginning and 167.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.09 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 164.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 695.79 ms. Allocated memory is still 201.3 MB. Free memory was 164.4 MB in the beginning and 114.6 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1910.12 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 113.9 MB in the beginning and 88.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 594]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((0 == high && low == 0) && high == 0) && low == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 93 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 135 SDtfs, 57 SDslu, 178 SDs, 0 SdLazy, 178 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 76 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 4577 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...