/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:51:00,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:51:00,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:51:00,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:51:00,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:51:00,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:51:00,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:51:00,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:51:00,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:51:00,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:51:00,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:51:00,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:51:00,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:51:00,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:51:00,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:51:00,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:51:00,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:51:00,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:51:00,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:51:00,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:51:00,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:51:00,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:51:00,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:51:00,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:51:00,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:51:00,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:51:00,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:51:00,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:51:00,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:51:00,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:51:00,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:51:00,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:51:00,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:51:00,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:51:00,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:51:00,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:51:00,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:51:00,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:51:00,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:51:00,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:51:00,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:51:00,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 10:51:00,924 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:51:00,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:51:00,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:51:00,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:51:00,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:51:00,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:51:00,928 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:51:00,928 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:51:00,928 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:51:00,928 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:51:00,929 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:51:00,929 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:51:00,929 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:51:00,929 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:51:00,930 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:51:00,930 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:51:00,930 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:51:00,930 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:51:00,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:51:00,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:51:00,932 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:51:00,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:51:00,932 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:51:00,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:51:00,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:51:00,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:51:00,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:51:00,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:51:00,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:51:00,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:51:01,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:51:01,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:51:01,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:51:01,184 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:51:01,184 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:51:01,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-04-01 10:51:02,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:51:02,694 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:51:02,695 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-04-01 10:51:02,721 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb570566/debb689472a14bbeb5179536af1eebc9/FLAG526f17158 [2023-04-01 10:51:02,742 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb570566/debb689472a14bbeb5179536af1eebc9 [2023-04-01 10:51:02,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:51:02,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:51:02,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:51:02,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:51:02,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:51:02,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:51:02" (1/1) ... [2023-04-01 10:51:02,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd5ba83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:02, skipping insertion in model container [2023-04-01 10:51:02,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:51:02" (1/1) ... [2023-04-01 10:51:02,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:51:02,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:51:03,148 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2023-04-01 10:51:03,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:51:03,213 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:51:03,260 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2023-04-01 10:51:03,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:51:03,339 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:51:03,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03 WrapperNode [2023-04-01 10:51:03,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:51:03,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:51:03,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:51:03,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:51:03,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,440 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:51:03,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:51:03,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:51:03,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:51:03,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (1/1) ... [2023-04-01 10:51:03,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:51:03,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:51:03,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 10:51:03,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-04-01 10:51:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2023-04-01 10:51:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2023-04-01 10:51:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2023-04-01 10:51:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:51:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-01 10:51:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-01 10:51:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-01 10:51:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-01 10:51:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-01 10:51:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-01 10:51:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-01 10:51:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-01 10:51:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-01 10:51:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-01 10:51:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-01 10:51:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-01 10:51:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-01 10:51:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-01 10:51:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-01 10:51:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-01 10:51:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-01 10:51:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2023-04-01 10:51:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2023-04-01 10:51:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2023-04-01 10:51:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 10:51:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2023-04-01 10:51:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2023-04-01 10:51:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2023-04-01 10:51:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-04-01 10:51:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2023-04-01 10:51:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2023-04-01 10:51:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:51:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 10:51:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:51:03,881 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:51:03,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:51:04,217 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:51:04,254 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:51:04,254 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-04-01 10:51:04,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:51:04 BoogieIcfgContainer [2023-04-01 10:51:04,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:51:04,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:51:04,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:51:04,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:51:04,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:51:02" (1/3) ... [2023-04-01 10:51:04,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abf2a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:51:04, skipping insertion in model container [2023-04-01 10:51:04,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:03" (2/3) ... [2023-04-01 10:51:04,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abf2a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:51:04, skipping insertion in model container [2023-04-01 10:51:04,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:51:04" (3/3) ... [2023-04-01 10:51:04,264 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-2.i [2023-04-01 10:51:04,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:51:04,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:51:04,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:51:04,346 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28003165, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:51:04,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:51:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 85 states have (on average 1.7411764705882353) internal successors, (148), 106 states have internal predecessors, (148), 33 states have call successors, (33), 14 states have call predecessors, (33), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-01 10:51:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-04-01 10:51:04,357 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:04,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:04,359 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:04,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:04,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2004553619, now seen corresponding path program 1 times [2023-04-01 10:51:04,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:04,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364894008] [2023-04-01 10:51:04,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:04,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364894008] [2023-04-01 10:51:04,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364894008] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:04,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:04,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 10:51:04,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125351732] [2023-04-01 10:51:04,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:04,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 10:51:04,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:04,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 10:51:04,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 10:51:04,638 INFO L87 Difference]: Start difference. First operand has 133 states, 85 states have (on average 1.7411764705882353) internal successors, (148), 106 states have internal predecessors, (148), 33 states have call successors, (33), 14 states have call predecessors, (33), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 10:51:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:04,725 INFO L93 Difference]: Finished difference Result 258 states and 425 transitions. [2023-04-01 10:51:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 10:51:04,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-04-01 10:51:04,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:04,740 INFO L225 Difference]: With dead ends: 258 [2023-04-01 10:51:04,740 INFO L226 Difference]: Without dead ends: 120 [2023-04-01 10:51:04,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 10:51:04,748 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:04,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 10:51:04,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-01 10:51:04,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-04-01 10:51:04,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 96 states have internal predecessors, (98), 30 states have call successors, (30), 13 states have call predecessors, (30), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-01 10:51:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-04-01 10:51:04,787 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 13 [2023-04-01 10:51:04,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:04,788 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-04-01 10:51:04,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 10:51:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-04-01 10:51:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-01 10:51:04,789 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:04,789 INFO L195 NwaCegarLoop]: 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] [2023-04-01 10:51:04,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 10:51:04,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:04,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:04,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1002277789, now seen corresponding path program 1 times [2023-04-01 10:51:04,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:04,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952195538] [2023-04-01 10:51:04,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:04,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:05,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:05,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952195538] [2023-04-01 10:51:05,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952195538] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:05,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:05,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 10:51:05,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449229954] [2023-04-01 10:51:05,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:05,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 10:51:05,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:05,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 10:51:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 10:51:05,076 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 10:51:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:05,229 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2023-04-01 10:51:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 10:51:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2023-04-01 10:51:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:05,232 INFO L225 Difference]: With dead ends: 122 [2023-04-01 10:51:05,232 INFO L226 Difference]: Without dead ends: 119 [2023-04-01 10:51:05,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-01 10:51:05,233 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 194 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:05,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 272 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 10:51:05,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-04-01 10:51:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-04-01 10:51:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 95 states have internal predecessors, (97), 29 states have call successors, (29), 13 states have call predecessors, (29), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-01 10:51:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2023-04-01 10:51:05,259 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 28 [2023-04-01 10:51:05,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:05,260 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2023-04-01 10:51:05,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 10:51:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2023-04-01 10:51:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-01 10:51:05,261 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:05,261 INFO L195 NwaCegarLoop]: 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] [2023-04-01 10:51:05,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 10:51:05,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:05,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:05,262 INFO L85 PathProgramCache]: Analyzing trace with hash -22072565, now seen corresponding path program 1 times [2023-04-01 10:51:05,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:05,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751296812] [2023-04-01 10:51:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:06,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:06,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751296812] [2023-04-01 10:51:06,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751296812] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:06,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:06,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-01 10:51:06,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426529593] [2023-04-01 10:51:06,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:06,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 10:51:06,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:06,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 10:51:06,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-01 10:51:06,348 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:07,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:07,811 INFO L93 Difference]: Finished difference Result 217 states and 259 transitions. [2023-04-01 10:51:07,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 10:51:07,812 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2023-04-01 10:51:07,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:07,815 INFO L225 Difference]: With dead ends: 217 [2023-04-01 10:51:07,816 INFO L226 Difference]: Without dead ends: 211 [2023-04-01 10:51:07,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2023-04-01 10:51:07,818 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 512 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:07,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 112 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 10:51:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-04-01 10:51:07,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2023-04-01 10:51:07,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 137 states have (on average 1.2554744525547445) internal successors, (172), 154 states have internal predecessors, (172), 33 states have call successors, (33), 16 states have call predecessors, (33), 14 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2023-04-01 10:51:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2023-04-01 10:51:07,851 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 31 [2023-04-01 10:51:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:07,852 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2023-04-01 10:51:07,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2023-04-01 10:51:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-01 10:51:07,853 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:07,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:07,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 10:51:07,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:07,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash -686454838, now seen corresponding path program 1 times [2023-04-01 10:51:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:07,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659411558] [2023-04-01 10:51:07,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:09,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:09,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659411558] [2023-04-01 10:51:09,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659411558] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:09,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:09,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-01 10:51:09,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573090749] [2023-04-01 10:51:09,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:09,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 10:51:09,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:09,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 10:51:09,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-01 10:51:09,269 INFO L87 Difference]: Start difference. First operand 185 states and 223 transitions. Second operand has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:10,731 INFO L93 Difference]: Finished difference Result 303 states and 372 transitions. [2023-04-01 10:51:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 10:51:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 34 [2023-04-01 10:51:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:10,734 INFO L225 Difference]: With dead ends: 303 [2023-04-01 10:51:10,734 INFO L226 Difference]: Without dead ends: 300 [2023-04-01 10:51:10,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2023-04-01 10:51:10,736 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 579 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:10,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 167 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 10:51:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-04-01 10:51:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 272. [2023-04-01 10:51:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2583732057416268) internal successors, (263), 227 states have internal predecessors, (263), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 335 transitions. [2023-04-01 10:51:10,790 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 335 transitions. Word has length 34 [2023-04-01 10:51:10,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:10,791 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 335 transitions. [2023-04-01 10:51:10,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 335 transitions. [2023-04-01 10:51:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-04-01 10:51:10,792 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:10,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:10,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 10:51:10,792 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:10,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:10,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2075132773, now seen corresponding path program 1 times [2023-04-01 10:51:10,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:10,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410430617] [2023-04-01 10:51:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:11,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410430617] [2023-04-01 10:51:11,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410430617] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:11,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:11,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-01 10:51:11,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968515010] [2023-04-01 10:51:11,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:11,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 10:51:11,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:11,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 10:51:11,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-01 10:51:11,871 INFO L87 Difference]: Start difference. First operand 272 states and 335 transitions. Second operand has 16 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:13,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:13,314 INFO L93 Difference]: Finished difference Result 302 states and 370 transitions. [2023-04-01 10:51:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 10:51:13,315 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 37 [2023-04-01 10:51:13,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:13,317 INFO L225 Difference]: With dead ends: 302 [2023-04-01 10:51:13,318 INFO L226 Difference]: Without dead ends: 299 [2023-04-01 10:51:13,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2023-04-01 10:51:13,327 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 536 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:13,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 157 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 10:51:13,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-01 10:51:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 272. [2023-04-01 10:51:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2535885167464116) internal successors, (262), 227 states have internal predecessors, (262), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2023-04-01 10:51:13,384 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 37 [2023-04-01 10:51:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:13,385 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2023-04-01 10:51:13,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2023-04-01 10:51:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-01 10:51:13,387 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:13,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:13,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 10:51:13,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:13,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:13,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1255856565, now seen corresponding path program 1 times [2023-04-01 10:51:13,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:13,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949365823] [2023-04-01 10:51:13,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:13,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:14,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949365823] [2023-04-01 10:51:14,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949365823] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:14,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:14,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-01 10:51:14,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818790616] [2023-04-01 10:51:14,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:14,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-01 10:51:14,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:14,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-01 10:51:14,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-04-01 10:51:14,849 INFO L87 Difference]: Start difference. First operand 272 states and 334 transitions. Second operand has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:16,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:16,408 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-01 10:51:16,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 10:51:16,409 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2023-04-01 10:51:16,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:16,411 INFO L225 Difference]: With dead ends: 300 [2023-04-01 10:51:16,411 INFO L226 Difference]: Without dead ends: 297 [2023-04-01 10:51:16,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2023-04-01 10:51:16,412 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 366 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:16,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 198 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 10:51:16,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-01 10:51:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-01 10:51:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2488038277511961) internal successors, (261), 227 states have internal predecessors, (261), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 333 transitions. [2023-04-01 10:51:16,451 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 333 transitions. Word has length 40 [2023-04-01 10:51:16,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:16,452 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 333 transitions. [2023-04-01 10:51:16,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 333 transitions. [2023-04-01 10:51:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 10:51:16,453 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:16,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:16,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 10:51:16,453 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:16,454 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:16,454 INFO L85 PathProgramCache]: Analyzing trace with hash -445773496, now seen corresponding path program 1 times [2023-04-01 10:51:16,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:16,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801999482] [2023-04-01 10:51:16,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:18,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:18,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801999482] [2023-04-01 10:51:18,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801999482] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:18,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:18,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-01 10:51:18,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992366177] [2023-04-01 10:51:18,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:18,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 10:51:18,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:18,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 10:51:18,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-04-01 10:51:18,066 INFO L87 Difference]: Start difference. First operand 272 states and 333 transitions. Second operand has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:19,850 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-01 10:51:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-01 10:51:19,851 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 43 [2023-04-01 10:51:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:19,852 INFO L225 Difference]: With dead ends: 300 [2023-04-01 10:51:19,852 INFO L226 Difference]: Without dead ends: 297 [2023-04-01 10:51:19,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2023-04-01 10:51:19,853 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 361 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:19,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 192 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 10:51:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-01 10:51:19,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-01 10:51:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.244019138755981) internal successors, (260), 227 states have internal predecessors, (260), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:19,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2023-04-01 10:51:19,889 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 43 [2023-04-01 10:51:19,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:19,890 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2023-04-01 10:51:19,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2023-04-01 10:51:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 10:51:19,891 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:19,891 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:19,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 10:51:19,891 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:19,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:19,891 INFO L85 PathProgramCache]: Analyzing trace with hash -379097290, now seen corresponding path program 1 times [2023-04-01 10:51:19,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:19,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810451006] [2023-04-01 10:51:19,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:19,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:22,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:22,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810451006] [2023-04-01 10:51:22,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810451006] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 10:51:22,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901302343] [2023-04-01 10:51:22,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:22,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 10:51:22,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:51:22,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 10:51:22,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 10:51:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:22,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 154 conjunts are in the unsatisfiable core [2023-04-01 10:51:22,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 10:51:22,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-04-01 10:51:22,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-04-01 10:51:22,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2023-04-01 10:51:23,074 INFO L321 Elim1Store]: treesize reduction 49, result has 31.0 percent of original size [2023-04-01 10:51:23,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 68 [2023-04-01 10:51:23,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2023-04-01 10:51:23,478 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-01 10:51:23,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 479 treesize of output 479 [2023-04-01 10:51:23,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 134 [2023-04-01 10:51:23,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-04-01 10:51:23,624 INFO L321 Elim1Store]: treesize reduction 42, result has 25.0 percent of original size [2023-04-01 10:51:23,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 88 [2023-04-01 10:51:23,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-04-01 10:51:23,671 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-04-01 10:51:23,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 7 [2023-04-01 10:51:23,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-04-01 10:51:23,697 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-04-01 10:51:23,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 7 [2023-04-01 10:51:23,714 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-04-01 10:51:23,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 18 [2023-04-01 10:51:23,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-04-01 10:51:23,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-04-01 10:51:23,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:23,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:25,647 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-04-01 10:51:25,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2023-04-01 10:51:25,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-04-01 10:51:25,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-04-01 10:51:25,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-04-01 10:51:25,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:25,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:25,766 INFO L321 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-04-01 10:51:25,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 96 treesize of output 97 [2023-04-01 10:51:25,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:25,813 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:25,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:25,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2023-04-01 10:51:25,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:25,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:26,007 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-04-01 10:51:26,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 23 [2023-04-01 10:51:26,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:26,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2023-04-01 10:51:27,062 INFO L321 Elim1Store]: treesize reduction 49, result has 53.3 percent of original size [2023-04-01 10:51:27,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 894 treesize of output 894 [2023-04-01 10:51:27,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:27,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:27,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:27,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:27,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:27,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:43,028 WARN L223 SmtUtils]: Spent 15.05s on a formula simplification. DAG size of input: 164 DAG size of output: 100 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-04-01 10:51:43,029 INFO L321 Elim1Store]: treesize reduction 362, result has 41.2 percent of original size [2023-04-01 10:51:43,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 29 case distinctions, treesize of input 1435 treesize of output 4411 [2023-04-01 10:51:43,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2364 treesize of output 2155 [2023-04-01 10:51:45,151 INFO L321 Elim1Store]: treesize reduction 30, result has 60.0 percent of original size [2023-04-01 10:51:45,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2390 treesize of output 2191 [2023-04-01 10:51:45,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 207 [2023-04-01 10:51:46,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2023-04-01 10:51:48,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:48,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:48,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:48,992 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-01 10:51:52,958 INFO L173 IndexEqualityManager]: detected equality via solver