/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=0.1 --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 10:05:40,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:05:40,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:05:40,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:05:40,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:05:40,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:05:40,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:05:40,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:05:40,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:05:40,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:05:40,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:05:40,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:05:40,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:05:40,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:05:40,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:05:40,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:05:40,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:05:40,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:05:40,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:05:40,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:05:40,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:05:40,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:05:40,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:05:40,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:05:40,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:05:40,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:05:40,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:05:40,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:05:40,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:05:40,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:05:40,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:05:40,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:05:40,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:05:40,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:05:40,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:05:40,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:05:40,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:05:40,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:05:40,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:05:40,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:05:40,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:05:40,310 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 10:05:40,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:05:40,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:05:40,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:05:40,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:05:40,355 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:05:40,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:05:40,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:05:40,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:05:40,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:05:40,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:05:40,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:05:40,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:05:40,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:05:40,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:05:40,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:05:40,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:05:40,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:05:40,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:05:40,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:05:40,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:05:40,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:05:40,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:05:40,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:05:40,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:05:40,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:05:40,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:05:40,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:05:40,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:05:40,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:05:40,362 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 10:05:40,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:05:40,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:05:40,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:05:40,830 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:05:40,831 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:05:40,832 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-09-25 10:05:40,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b3d1ebc1/af3be07743f94ca094c026c5ea3cec16/FLAGe59b1cb38 [2020-09-25 10:05:41,523 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:05:41,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-09-25 10:05:41,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b3d1ebc1/af3be07743f94ca094c026c5ea3cec16/FLAGe59b1cb38 [2020-09-25 10:05:41,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b3d1ebc1/af3be07743f94ca094c026c5ea3cec16 [2020-09-25 10:05:41,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:05:41,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:05:41,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:05:41,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:05:41,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:05:41,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:05:41" (1/1) ... [2020-09-25 10:05:41,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657b60e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:41, skipping insertion in model container [2020-09-25 10:05:41,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:05:41" (1/1) ... [2020-09-25 10:05:41,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:05:41,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:05:42,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:05:42,356 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:05:42,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:05:42,466 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:05:42,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42 WrapperNode [2020-09-25 10:05:42,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:05:42,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:05:42,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:05:42,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:05:42,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (1/1) ... [2020-09-25 10:05:42,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:05:42,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:05:42,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:05:42,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:05:42,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (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 10:05:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:05:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:05:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 10:05:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 10:05:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2020-09-25 10:05:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2020-09-25 10:05:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:05:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:05:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:05:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 10:05:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 10:05:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 10:05:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 10:05:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 10:05:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 10:05:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 10:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 10:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 10:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 10:05:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 10:05:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 10:05:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 10:05:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 10:05:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 10:05:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 10:05:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 10:05:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 10:05:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 10:05:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 10:05:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 10:05:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 10:05:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 10:05:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 10:05:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 10:05:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 10:05:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 10:05:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 10:05:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 10:05:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 10:05:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 10:05:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 10:05:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 10:05:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 10:05:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 10:05:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 10:05:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 10:05:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 10:05:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 10:05:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 10:05:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 10:05:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 10:05:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 10:05:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 10:05:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 10:05:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 10:05:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 10:05:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 10:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 10:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 10:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 10:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 10:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 10:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 10:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 10:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 10:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 10:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 10:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 10:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 10:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 10:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 10:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 10:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 10:05:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 10:05:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 10:05:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 10:05:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 10:05:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 10:05:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 10:05:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 10:05:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 10:05:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 10:05:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 10:05:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 10:05:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 10:05:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 10:05:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:05:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:05:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2020-09-25 10:05:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:05:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 10:05:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:05:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:05:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:05:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:05:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:05:43,197 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:05:43,197 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 10:05:43,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:05:43 BoogieIcfgContainer [2020-09-25 10:05:43,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:05:43,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:05:43,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:05:43,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:05:43,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:05:41" (1/3) ... [2020-09-25 10:05:43,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e736a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:05:43, skipping insertion in model container [2020-09-25 10:05:43,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:05:42" (2/3) ... [2020-09-25 10:05:43,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e736a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:05:43, skipping insertion in model container [2020-09-25 10:05:43,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:05:43" (3/3) ... [2020-09-25 10:05:43,212 INFO L109 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2020-09-25 10:05:43,223 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:05:43,234 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-25 10:05:43,257 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-09-25 10:05:43,289 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:05:43,289 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:05:43,289 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:05:43,289 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:05:43,289 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:05:43,290 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:05:43,290 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:05:43,290 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:05:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2020-09-25 10:05:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-25 10:05:43,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:05:43,326 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 10:05:43,326 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:05:43,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:05:43,334 INFO L82 PathProgramCache]: Analyzing trace with hash 958208796, now seen corresponding path program 1 times [2020-09-25 10:05:43,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:05:43,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137914509] [2020-09-25 10:05:43,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:05:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:05:43,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:43,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:43,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:05:43,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 10:05:43,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:05:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-25 10:05:43,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:05:43,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:05:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:05:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 10:05:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:05:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:05:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:05:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:05:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:44,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:05:44,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:05:44,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:05:44,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 10:05:44,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:05:44,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:05:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:05:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:05:44,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:05:44,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:05:44,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:05:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:05:44,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:44,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:44,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:05:44,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:05:44,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:05:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 10:05:44,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:05:44,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:05:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:05:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:05:44,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:05:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:05:44,090 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 10:05:44,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137914509] [2020-09-25 10:05:44,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:05:44,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:05:44,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132656117] [2020-09-25 10:05:44,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:05:44,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:05:44,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:05:44,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:05:44,121 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 5 states. [2020-09-25 10:05:44,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:05:44,359 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2020-09-25 10:05:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 10:05:44,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-09-25 10:05:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:05:44,378 INFO L225 Difference]: With dead ends: 124 [2020-09-25 10:05:44,378 INFO L226 Difference]: Without dead ends: 70 [2020-09-25 10:05:44,383 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 10:05:44,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-25 10:05:44,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-25 10:05:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-25 10:05:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2020-09-25 10:05:44,443 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 29 [2020-09-25 10:05:44,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:05:44,444 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2020-09-25 10:05:44,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:05:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2020-09-25 10:05:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-25 10:05:44,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:05:44,447 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 10:05:44,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:05:44,448 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:05:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:05:44,448 INFO L82 PathProgramCache]: Analyzing trace with hash 663231917, now seen corresponding path program 1 times [2020-09-25 10:05:44,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:05:44,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089280021] [2020-09-25 10:05:44,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:05:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:05:44,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:44,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:05:44,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:05:44,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:05:44,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 10:05:44,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:05:44,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:05:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:05:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 10:05:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:05:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:05:44,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:05:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:05:44,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:44,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:05:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:05:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:05:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:05:44,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:05:44,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:05:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:05:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:05:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:05:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:05:44,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:05:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:05:44,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:05:44,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:05:44,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 10:05:44,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:05:44,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:05:44,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:05:44,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:05:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:05:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:05:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:05:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:05:44,696 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 10:05:44,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089280021] [2020-09-25 10:05:44,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:05:44,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:05:44,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902375753] [2020-09-25 10:05:44,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:05:44,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:05:44,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:05:44,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:05:44,701 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 5 states. [2020-09-25 10:05:44,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:05:44,867 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2020-09-25 10:05:44,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 10:05:44,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-09-25 10:05:44,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:05:44,869 INFO L225 Difference]: With dead ends: 71 [2020-09-25 10:05:44,869 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:05:44,871 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 10:05:44,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:05:44,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:05:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:05:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:05:44,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-09-25 10:05:44,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:05:44,872 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:05:44,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:05:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:05:44,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:05:44,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:05:44,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:05:45,034 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-09-25 10:05:45,035 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-09-25 10:05:45,035 INFO L271 CegarLoopResult]: At program point L576-1(lines 570 577) the Hoare annotation is: true [2020-09-25 10:05:45,035 INFO L271 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: true [2020-09-25 10:05:45,036 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-25 10:05:45,036 INFO L268 CegarLoopResult]: For program point L572-1(line 572) no Hoare annotation was computed. [2020-09-25 10:05:45,036 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-25 10:05:45,036 INFO L268 CegarLoopResult]: For program point L572-2(line 572) no Hoare annotation was computed. [2020-09-25 10:05:45,037 INFO L268 CegarLoopResult]: For program point L570-2(line 570) no Hoare annotation was computed. [2020-09-25 10:05:45,037 INFO L268 CegarLoopResult]: For program point L570-3(line 570) no Hoare annotation was computed. [2020-09-25 10:05:45,037 INFO L268 CegarLoopResult]: For program point create_listEXIT(lines 569 579) no Hoare annotation was computed. [2020-09-25 10:05:45,037 INFO L268 CegarLoopResult]: For program point L573(lines 573 576) no Hoare annotation was computed. [2020-09-25 10:05:45,037 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-09-25 10:05:45,037 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-09-25 10:05:45,038 INFO L268 CegarLoopResult]: For program point L571-3(line 571) no Hoare annotation was computed. [2020-09-25 10:05:45,038 INFO L268 CegarLoopResult]: For program point L571-4(lines 571 577) no Hoare annotation was computed. [2020-09-25 10:05:45,038 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 10:05:45,038 INFO L268 CegarLoopResult]: For program point create_listFINAL(lines 569 579) no Hoare annotation was computed. [2020-09-25 10:05:45,039 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-09-25 10:05:45,039 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 10:05:45,039 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 10:05:45,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 10:05:45,039 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 10:05:45,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 10:05:45,040 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 64 68) no Hoare annotation was computed. [2020-09-25 10:05:45,040 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 64 68) no Hoare annotation was computed. [2020-09-25 10:05:45,040 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 64 68) no Hoare annotation was computed. [2020-09-25 10:05:45,040 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 10:05:45,040 INFO L268 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2020-09-25 10:05:45,040 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 69 73) no Hoare annotation was computed. [2020-09-25 10:05:45,041 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 69 73) no Hoare annotation was computed. [2020-09-25 10:05:45,041 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-25 10:05:45,041 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-09-25 10:05:45,041 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 69 73) no Hoare annotation was computed. [2020-09-25 10:05:45,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 10:05:45,042 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 10:05:45,042 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 10:05:45,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 10:05:45,042 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 580 602) no Hoare annotation was computed. [2020-09-25 10:05:45,042 INFO L268 CegarLoopResult]: For program point L597-1(lines 580 602) no Hoare annotation was computed. [2020-09-25 10:05:45,042 INFO L268 CegarLoopResult]: For program point L597-2(lines 580 602) no Hoare annotation was computed. [2020-09-25 10:05:45,043 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-09-25 10:05:45,043 INFO L268 CegarLoopResult]: For program point L593-1(lines 593 594) no Hoare annotation was computed. [2020-09-25 10:05:45,043 INFO L268 CegarLoopResult]: For program point L593-2(line 593) no Hoare annotation was computed. [2020-09-25 10:05:45,043 INFO L268 CegarLoopResult]: For program point L593-4(line 593) no Hoare annotation was computed. [2020-09-25 10:05:45,043 INFO L268 CegarLoopResult]: For program point L593-5(lines 593 594) no Hoare annotation was computed. [2020-09-25 10:05:45,044 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 10:05:45,044 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-09-25 10:05:45,044 INFO L268 CegarLoopResult]: For program point L581-1(line 581) no Hoare annotation was computed. [2020-09-25 10:05:45,044 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-09-25 10:05:45,044 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 599) no Hoare annotation was computed. [2020-09-25 10:05:45,045 INFO L268 CegarLoopResult]: For program point L598-2(line 598) no Hoare annotation was computed. [2020-09-25 10:05:45,045 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-09-25 10:05:45,045 INFO L268 CegarLoopResult]: For program point L598-4(line 598) no Hoare annotation was computed. [2020-09-25 10:05:45,045 INFO L268 CegarLoopResult]: For program point L598-5(lines 598 599) no Hoare annotation was computed. [2020-09-25 10:05:45,045 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-25 10:05:45,045 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,046 INFO L268 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,046 INFO L268 CegarLoopResult]: For program point L586-2(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,046 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-09-25 10:05:45,046 INFO L268 CegarLoopResult]: For program point L586-4(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,046 INFO L268 CegarLoopResult]: For program point L586-5(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,046 INFO L268 CegarLoopResult]: For program point L586-6(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,047 INFO L268 CegarLoopResult]: For program point L586-7(line 586) no Hoare annotation was computed. [2020-09-25 10:05:45,047 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 599) no Hoare annotation was computed. [2020-09-25 10:05:45,047 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-09-25 10:05:45,047 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-25 10:05:45,047 INFO L268 CegarLoopResult]: For program point L595-1(line 595) no Hoare annotation was computed. [2020-09-25 10:05:45,048 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-25 10:05:45,048 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-09-25 10:05:45,048 INFO L268 CegarLoopResult]: For program point L587-2(line 587) no Hoare annotation was computed. [2020-09-25 10:05:45,048 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-25 10:05:45,048 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 594) no Hoare annotation was computed. [2020-09-25 10:05:45,049 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 10:05:45,049 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-09-25 10:05:45,049 INFO L268 CegarLoopResult]: For program point L600-1(line 600) no Hoare annotation was computed. [2020-09-25 10:05:45,049 INFO L268 CegarLoopResult]: For program point L592-1(lines 580 602) no Hoare annotation was computed. [2020-09-25 10:05:45,049 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-25 10:05:45,050 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-25 10:05:45,050 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-09-25 10:05:45,050 INFO L268 CegarLoopResult]: For program point append_to_listEXIT(lines 562 568) no Hoare annotation was computed. [2020-09-25 10:05:45,050 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-25 10:05:45,050 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-25 10:05:45,051 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 10:05:45,051 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-09-25 10:05:45,051 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-09-25 10:05:45,051 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-25 10:05:45,051 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-09-25 10:05:45,051 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-09-25 10:05:45,052 INFO L268 CegarLoopResult]: For program point L563-1(line 563) no Hoare annotation was computed. [2020-09-25 10:05:45,052 INFO L268 CegarLoopResult]: For program point L564-2(line 564) no Hoare annotation was computed. [2020-09-25 10:05:45,052 INFO L268 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-09-25 10:05:45,052 INFO L268 CegarLoopResult]: For program point append_to_listFINAL(lines 562 568) no Hoare annotation was computed. [2020-09-25 10:05:45,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 10:05:45 BoogieIcfgContainer [2020-09-25 10:05:45,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 10:05:45,080 INFO L168 Benchmark]: Toolchain (without parser) took 3307.74 ms. Allocated memory was 147.8 MB in the beginning and 234.4 MB in the end (delta: 86.5 MB). Free memory was 101.2 MB in the beginning and 87.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 100.0 MB. Max. memory is 7.1 GB. [2020-09-25 10:05:45,081 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 10:05:45,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.61 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 170.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-09-25 10:05:45,083 INFO L168 Benchmark]: Boogie Preprocessor took 69.26 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 167.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-25 10:05:45,084 INFO L168 Benchmark]: RCFGBuilder took 665.57 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 117.9 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-09-25 10:05:45,086 INFO L168 Benchmark]: TraceAbstraction took 1872.50 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 117.9 MB in the beginning and 87.7 MB in the end (delta: 30.2 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2020-09-25 10:05:45,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.61 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 170.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.26 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 167.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 665.57 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 117.9 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1872.50 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 117.9 MB in the beginning and 87.7 MB in the end (delta: 30.2 MB). Peak memory consumption was 59.6 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: 1.5s, 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s 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...