/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/heap-data/shared_mem2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 02:10:34,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 02:10:34,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 02:10:34,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 02:10:34,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 02:10:34,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 02:10:34,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 02:10:34,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 02:10:34,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 02:10:34,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 02:10:34,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 02:10:34,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 02:10:34,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 02:10:34,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 02:10:34,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 02:10:34,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 02:10:34,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 02:10:34,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 02:10:34,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 02:10:34,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 02:10:34,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 02:10:34,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 02:10:34,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 02:10:34,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 02:10:34,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 02:10:34,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 02:10:34,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 02:10:34,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 02:10:34,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 02:10:34,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 02:10:34,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 02:10:34,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 02:10:34,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 02:10:34,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 02:10:34,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 02:10:34,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 02:10:34,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 02:10:34,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 02:10:34,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 02:10:34,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 02:10:34,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 02:10:34,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 02:10:34,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 02:10:34,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 02:10:34,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 02:10:34,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 02:10:34,682 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 02:10:34,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 02:10:34,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 02:10:34,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 02:10:34,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 02:10:34,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 02:10:34,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 02:10:34,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 02:10:34,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 02:10:34,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 02:10:34,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 02:10:34,686 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 02:10:34,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 02:10:34,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 02:10:34,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 02:10:34,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 02:10:34,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 02:10:34,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:10:34,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 02:10:34,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 02:10:34,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 02:10:34,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 02:10:34,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 02:10:34,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 02:10:34,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 02:10:35,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 02:10:35,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 02:10:35,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 02:10:35,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 02:10:35,035 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 02:10:35,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/shared_mem2.i [2019-11-07 02:10:35,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d541a6f8d/9f521001db0c4f7582add2c2b1a20740/FLAGec333e14f [2019-11-07 02:10:35,664 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 02:10:35,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/shared_mem2.i [2019-11-07 02:10:35,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d541a6f8d/9f521001db0c4f7582add2c2b1a20740/FLAGec333e14f [2019-11-07 02:10:35,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d541a6f8d/9f521001db0c4f7582add2c2b1a20740 [2019-11-07 02:10:35,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 02:10:35,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 02:10:35,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 02:10:35,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 02:10:35,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 02:10:35,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:10:35" (1/1) ... [2019-11-07 02:10:35,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7bee3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:35, skipping insertion in model container [2019-11-07 02:10:35,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:10:35" (1/1) ... [2019-11-07 02:10:35,976 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 02:10:36,024 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 02:10:36,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:10:36,482 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 02:10:36,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 02:10:36,593 INFO L192 MainTranslator]: Completed translation [2019-11-07 02:10:36,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36 WrapperNode [2019-11-07 02:10:36,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 02:10:36,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 02:10:36,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 02:10:36,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 02:10:36,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... [2019-11-07 02:10:36,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 02:10:36,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 02:10:36,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 02:10:36,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 02:10:36,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 02:10:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 02:10:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 02:10:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 02:10:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 02:10:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 02:10:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 02:10:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 02:10:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 02:10:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 02:10:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 02:10:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 02:10:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 02:10:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 02:10:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 02:10:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 02:10:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 02:10:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 02:10:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 02:10:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 02:10:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 02:10:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 02:10:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 02:10:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 02:10:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 02:10:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 02:10:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 02:10:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 02:10:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 02:10:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 02:10:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 02:10:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 02:10:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 02:10:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 02:10:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 02:10:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 02:10:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 02:10:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 02:10:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 02:10:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 02:10:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 02:10:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 02:10:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 02:10:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 02:10:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 02:10:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 02:10:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 02:10:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 02:10:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 02:10:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 02:10:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 02:10:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 02:10:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 02:10:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 02:10:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 02:10:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 02:10:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 02:10:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 02:10:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 02:10:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 02:10:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 02:10:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 02:10:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 02:10:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 02:10:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 02:10:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 02:10:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 02:10:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 02:10:37,415 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 02:10:37,416 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-07 02:10:37,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:10:37 BoogieIcfgContainer [2019-11-07 02:10:37,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 02:10:37,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 02:10:37,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 02:10:37,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 02:10:37,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:10:35" (1/3) ... [2019-11-07 02:10:37,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca67365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:10:37, skipping insertion in model container [2019-11-07 02:10:37,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:10:36" (2/3) ... [2019-11-07 02:10:37,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca67365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:10:37, skipping insertion in model container [2019-11-07 02:10:37,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:10:37" (3/3) ... [2019-11-07 02:10:37,430 INFO L109 eAbstractionObserver]: Analyzing ICFG shared_mem2.i [2019-11-07 02:10:37,444 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 02:10:37,454 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 02:10:37,468 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 02:10:37,507 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 02:10:37,507 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 02:10:37,507 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 02:10:37,508 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 02:10:37,510 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 02:10:37,510 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 02:10:37,510 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 02:10:37,511 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 02:10:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-07 02:10:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-07 02:10:37,537 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:10:37,538 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:10:37,541 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:10:37,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:10:37,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1997086019, now seen corresponding path program 1 times [2019-11-07 02:10:37,558 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:10:37,558 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237896767] [2019-11-07 02:10:37,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:10:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:10:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:10:37,741 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237896767] [2019-11-07 02:10:37,742 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:10:37,742 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 02:10:37,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904184761] [2019-11-07 02:10:37,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 02:10:37,749 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:10:37,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 02:10:37,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 02:10:37,767 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-07 02:10:37,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:10:37,789 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-11-07 02:10:37,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 02:10:37,791 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-07 02:10:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:10:37,801 INFO L225 Difference]: With dead ends: 29 [2019-11-07 02:10:37,801 INFO L226 Difference]: Without dead ends: 14 [2019-11-07 02:10:37,805 INFO L630 BasicCegarLoop]: 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 [2019-11-07 02:10:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-07 02:10:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-07 02:10:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-07 02:10:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-11-07 02:10:37,846 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2019-11-07 02:10:37,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:10:37,847 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-11-07 02:10:37,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 02:10:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-11-07 02:10:37,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-07 02:10:37,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:10:37,848 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:10:37,849 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:10:37,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:10:37,849 INFO L82 PathProgramCache]: Analyzing trace with hash -156766380, now seen corresponding path program 1 times [2019-11-07 02:10:37,850 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:10:37,850 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329877253] [2019-11-07 02:10:37,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:10:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:10:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:10:38,074 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329877253] [2019-11-07 02:10:38,074 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 02:10:38,074 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 02:10:38,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204281560] [2019-11-07 02:10:38,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 02:10:38,077 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 02:10:38,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 02:10:38,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-07 02:10:38,078 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 5 states. [2019-11-07 02:10:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 02:10:38,162 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2019-11-07 02:10:38,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 02:10:38,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-07 02:10:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 02:10:38,163 INFO L225 Difference]: With dead ends: 23 [2019-11-07 02:10:38,163 INFO L226 Difference]: Without dead ends: 19 [2019-11-07 02:10:38,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-07 02:10:38,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-07 02:10:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-07 02:10:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-07 02:10:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2019-11-07 02:10:38,170 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 13 [2019-11-07 02:10:38,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 02:10:38,170 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2019-11-07 02:10:38,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 02:10:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-11-07 02:10:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-07 02:10:38,171 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 02:10:38,172 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 02:10:38,172 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 02:10:38,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 02:10:38,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1881400114, now seen corresponding path program 1 times [2019-11-07 02:10:38,172 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 02:10:38,173 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042085162] [2019-11-07 02:10:38,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 02:10:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:10:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:10:38,410 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042085162] [2019-11-07 02:10:38,415 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272678323] [2019-11-07 02:10:38,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 02:10:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 02:10:38,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-07 02:10:38,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 02:10:38,668 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-11-07 02:10:38,669 INFO L375 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 19 treesize of output 18 [2019-11-07 02:10:38,670 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:38,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:38,713 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_44|], 2=[|v_#memory_int_41|]} [2019-11-07 02:10:38,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 02:10:38,728 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 15 [2019-11-07 02:10:38,729 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:38,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:38,761 INFO L341 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2019-11-07 02:10:38,762 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2019-11-07 02:10:38,763 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:38,776 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:38,777 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-07 02:10:38,777 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:78, output treesize:32 [2019-11-07 02:10:38,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:10:38,823 INFO L392 ElimStorePlain]: Different costs {1=[|#valid|], 3=[|v_#valid_21|]} [2019-11-07 02:10:38,834 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 29 treesize of output 25 [2019-11-07 02:10:38,835 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:38,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:38,968 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:38,969 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 136 [2019-11-07 02:10:38,971 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:39,074 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-07 02:10:39,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,080 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_37|, |v_#memory_$Pointer$.base_36|, |v_#memory_$Pointer$.offset_37|, |v_#memory_$Pointer$.offset_36|, |v_#memory_int_43|], 2=[|v_#memory_int_42|], 10=[|v_#memory_int_45|]} [2019-11-07 02:10:39,099 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 104 [2019-11-07 02:10:39,100 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:39,177 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,177 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_36| vanished before elimination [2019-11-07 02:10:39,189 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 89 [2019-11-07 02:10:39,189 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:39,251 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,252 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_36| vanished before elimination [2019-11-07 02:10:39,261 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 02:10:39,324 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,330 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 02:10:39,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,434 INFO L341 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2019-11-07 02:10:39,435 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 70 [2019-11-07 02:10:39,438 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:39,521 INFO L567 ElimStorePlain]: treesize reduction 8, result has 90.5 percent of original size [2019-11-07 02:10:39,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, 7 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-11-07 02:10:39,524 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 14 variables, input treesize:156, output treesize:50 [2019-11-07 02:10:39,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:10:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:10:39,671 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 02:10:39,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 02:10:39,703 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_36|, |#memory_$Pointer$.base|, |v_#memory_$Pointer$.offset_36|, |#memory_$Pointer$.offset|, |v_#memory_int_43|], 2=[|v_#memory_int_46|, |v_#memory_int_42|]} [2019-11-07 02:10:39,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:39,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,765 INFO L464 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2019-11-07 02:10:39,770 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 02:10:39,811 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,811 INFO L464 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2019-11-07 02:10:39,816 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 02:10:39,848 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,853 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 02:10:39,879 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,883 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 02:10:39,905 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 02:10:39,906 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 7 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2019-11-07 02:10:39,907 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 10 variables, input treesize:120, output treesize:71 [2019-11-07 02:10:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 02:10:39,960 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1766650825] [2019-11-07 02:10:39,985 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-11-07 02:10:39,985 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 02:10:39,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 02:10:39,998 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 02:10:39,998 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 02:10:40,096 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-11-07 02:10:42,523 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-11-07 02:10:43,072 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-11-07 02:10:43,555 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-11-07 02:10:44,069 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-11-07 02:10:51,108 WARN L191 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2019-11-07 02:10:59,551 WARN L191 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 170 DAG size of output: 162