/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:01:36,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:01:36,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:01:36,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:01:36,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:01:36,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:01:36,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:01:36,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:01:36,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:01:36,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:01:36,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:01:36,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:01:36,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:01:36,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:01:36,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:01:36,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:01:36,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:01:36,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:01:36,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:01:36,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:01:36,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:01:36,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:01:36,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:01:36,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:01:36,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:01:36,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:01:36,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:01:36,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:01:36,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:01:36,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:01:36,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:01:36,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:01:36,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:01:36,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:01:36,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:01:36,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:01:36,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:01:36,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:01:36,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:01:36,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:01:36,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:01:36,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:01:36,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:01:36,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:01:36,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:01:36,125 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:01:36,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:01:36,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:01:36,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:01:36,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:01:36,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:01:36,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:01:36,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:01:36,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:01:36,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:01:36,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:01:36,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:01:36,128 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:01:36,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:01:36,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:01:36,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:01:36,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:01:36,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:01:36,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:01:36,130 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:01:36,130 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:01:36,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:01:36,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:01:36,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:01:36,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:01:36,520 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:01:36,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2021-02-22 02:01:36,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8bd131e/31d39d3d107247c4a9bdfd4ddafa8582/FLAGc7f6b7ea1 [2021-02-22 02:01:37,369 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:01:37,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2021-02-22 02:01:37,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8bd131e/31d39d3d107247c4a9bdfd4ddafa8582/FLAGc7f6b7ea1 [2021-02-22 02:01:37,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8bd131e/31d39d3d107247c4a9bdfd4ddafa8582 [2021-02-22 02:01:37,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:01:37,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:01:37,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:37,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:01:37,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:01:37,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:37" (1/1) ... [2021-02-22 02:01:37,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebee5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:37, skipping insertion in model container [2021-02-22 02:01:37,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:37" (1/1) ... [2021-02-22 02:01:37,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:01:37,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:01:38,181 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2021-02-22 02:01:38,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:38,209 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:01:38,274 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2021-02-22 02:01:38,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:38,339 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:01:38,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38 WrapperNode [2021-02-22 02:01:38,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:38,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:01:38,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:01:38,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:01:38,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (1/1) ... [2021-02-22 02:01:38,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:01:38,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:01:38,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:01:38,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:01:38,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (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 [2021-02-22 02:01:38,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:01:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:01:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:01:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 02:01:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 02:01:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-22 02:01:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2021-02-22 02:01:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2021-02-22 02:01:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2021-02-22 02:01:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2021-02-22 02:01:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2021-02-22 02:01:38,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:01:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:01:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:01:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:01:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:01:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:01:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:01:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:01:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 02:01:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 02:01:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:01:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:01:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:01:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:01:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:01:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:01:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:01:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:01:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:01:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:01:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:01:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:01:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:01:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:01:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:01:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:01:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:01:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:01:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:01:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:01:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:01:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:01:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:01:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:01:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:01:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:01:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:01:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:01:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:01:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:01:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:01:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:01:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:01:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:01:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:01:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:01:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:01:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:01:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:01:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:01:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:01:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:01:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:01:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:01:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:01:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:01:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:01:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:01:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:01:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:01:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:01:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:01:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:01:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:01:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:01:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:01:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:01:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:01:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:01:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:01:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:01:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:01:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:01:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:01:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:01:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:01:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:01:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:01:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:01:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:01:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:01:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:01:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:01:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:01:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-22 02:01:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2021-02-22 02:01:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:01:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:01:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2021-02-22 02:01:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:01:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2021-02-22 02:01:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:01:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:01:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:01:39,090 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-22 02:01:39,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:01:39,469 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-22 02:01:39,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:39 BoogieIcfgContainer [2021-02-22 02:01:39,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:01:39,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:01:39,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:01:39,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:01:39,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:01:37" (1/3) ... [2021-02-22 02:01:39,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0075ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:39, skipping insertion in model container [2021-02-22 02:01:39,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:38" (2/3) ... [2021-02-22 02:01:39,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0075ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:39, skipping insertion in model container [2021-02-22 02:01:39,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:39" (3/3) ... [2021-02-22 02:01:39,498 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2021-02-22 02:01:39,509 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:01:39,516 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:01:39,543 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:01:39,576 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:01:39,576 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:01:39,577 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:01:39,577 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:01:39,577 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:01:39,577 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:01:39,578 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:01:39,578 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:01:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2021-02-22 02:01:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-22 02:01:39,639 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:39,641 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-02-22 02:01:39,641 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:39,659 INFO L82 PathProgramCache]: Analyzing trace with hash -671159745, now seen corresponding path program 1 times [2021-02-22 02:01:39,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:39,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038640903] [2021-02-22 02:01:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:39,798 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:39,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:39,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:39,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:39,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:40,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-22 02:01:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:40,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-22 02:01:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:40,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-22 02:01:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:40,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-22 02:01:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:40,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-22 02:01:40,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038640903] [2021-02-22 02:01:40,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:40,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:01:40,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973885271] [2021-02-22 02:01:40,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:01:40,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:40,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:01:40,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:01:40,135 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2021-02-22 02:01:40,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:40,620 INFO L93 Difference]: Finished difference Result 294 states and 342 transitions. [2021-02-22 02:01:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 02:01:40,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2021-02-22 02:01:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:40,640 INFO L225 Difference]: With dead ends: 294 [2021-02-22 02:01:40,641 INFO L226 Difference]: Without dead ends: 127 [2021-02-22 02:01:40,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:01:40,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-02-22 02:01:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2021-02-22 02:01:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-22 02:01:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 127 transitions. [2021-02-22 02:01:40,771 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 127 transitions. Word has length 58 [2021-02-22 02:01:40,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:40,772 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 127 transitions. [2021-02-22 02:01:40,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:01:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2021-02-22 02:01:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-02-22 02:01:40,784 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:40,785 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-02-22 02:01:40,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:01:40,786 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:40,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:40,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1231344721, now seen corresponding path program 1 times [2021-02-22 02:01:40,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:40,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745530140] [2021-02-22 02:01:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:40,802 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:40,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:40,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:40,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:40,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:40,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:41,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-22 02:01:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:41,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:41,076 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-22 02:01:41,078 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-22 02:01:41,097 WARN L141 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-02-22 02:01:41,098 WARN L147 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size 19 [2021-02-22 02:01:41,123 WARN L141 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-02-22 02:01:41,124 WARN L147 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size 19 [2021-02-22 02:01:41,150 WARN L141 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-02-22 02:01:41,153 WARN L147 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size 17 [2021-02-22 02:01:41,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:01:41,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-22 02:01:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:41,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:41,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:41,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-22 02:01:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:41,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-02-22 02:01:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:41,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:41,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-22 02:01:41,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745530140] [2021-02-22 02:01:41,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:41,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-22 02:01:41,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822629659] [2021-02-22 02:01:41,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-22 02:01:41,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:41,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-22 02:01:41,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-02-22 02:01:41,312 INFO L87 Difference]: Start difference. First operand 118 states and 127 transitions. Second operand 15 states. [2021-02-22 02:01:41,689 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-02-22 02:01:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:42,975 INFO L93 Difference]: Finished difference Result 279 states and 305 transitions. [2021-02-22 02:01:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 02:01:42,976 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 73 [2021-02-22 02:01:42,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:42,978 INFO L225 Difference]: With dead ends: 279 [2021-02-22 02:01:42,979 INFO L226 Difference]: Without dead ends: 173 [2021-02-22 02:01:42,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2021-02-22 02:01:42,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-02-22 02:01:43,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 138. [2021-02-22 02:01:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-02-22 02:01:43,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2021-02-22 02:01:43,013 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 73 [2021-02-22 02:01:43,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:43,013 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2021-02-22 02:01:43,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-22 02:01:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2021-02-22 02:01:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-22 02:01:43,027 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:43,027 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-02-22 02:01:43,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:01:43,028 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:43,029 INFO L82 PathProgramCache]: Analyzing trace with hash -647964724, now seen corresponding path program 1 times [2021-02-22 02:01:43,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:43,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729096048] [2021-02-22 02:01:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:43,035 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:43,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:43,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:43,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:43,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:43,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:43,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:43,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-22 02:01:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:43,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:43,210 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-22 02:01:43,211 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-22 02:01:43,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:01:43,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-22 02:01:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:43,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:43,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:43,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:43,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-22 02:01:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:43,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:43,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-22 02:01:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:43,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:43,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:43,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729096048] [2021-02-22 02:01:43,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:43,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-22 02:01:43,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555572608] [2021-02-22 02:01:43,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-22 02:01:43,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:43,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-22 02:01:43,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-02-22 02:01:43,383 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand 12 states. [2021-02-22 02:01:44,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:44,802 INFO L93 Difference]: Finished difference Result 317 states and 352 transitions. [2021-02-22 02:01:44,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-22 02:01:44,803 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 75 [2021-02-22 02:01:44,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:44,806 INFO L225 Difference]: With dead ends: 317 [2021-02-22 02:01:44,806 INFO L226 Difference]: Without dead ends: 210 [2021-02-22 02:01:44,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2021-02-22 02:01:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-02-22 02:01:44,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 158. [2021-02-22 02:01:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2021-02-22 02:01:44,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 171 transitions. [2021-02-22 02:01:44,848 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 171 transitions. Word has length 75 [2021-02-22 02:01:44,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:44,849 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 171 transitions. [2021-02-22 02:01:44,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-22 02:01:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2021-02-22 02:01:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-22 02:01:44,851 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:44,851 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 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] [2021-02-22 02:01:44,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 02:01:44,852 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:44,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:44,852 INFO L82 PathProgramCache]: Analyzing trace with hash -758130634, now seen corresponding path program 1 times [2021-02-22 02:01:44,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:44,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1705077000] [2021-02-22 02:01:44,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:44,858 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:44,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:44,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:44,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:44,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:44,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:44,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:44,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:44,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-22 02:01:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:44,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:44,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:44,962 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-22 02:01:44,963 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-22 02:01:44,977 WARN L141 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-02-22 02:01:44,979 WARN L147 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size 19 [2021-02-22 02:01:44,998 WARN L141 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-02-22 02:01:44,999 WARN L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-02-22 02:01:45,022 WARN L141 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-02-22 02:01:45,025 WARN L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-02-22 02:01:45,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:45,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 02:01:45,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:45,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-22 02:01:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-22 02:01:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:45,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:45,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-22 02:01:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:45,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:45,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-22 02:01:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:45,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:45,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:45,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1705077000] [2021-02-22 02:01:45,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:45,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 02:01:45,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186980248] [2021-02-22 02:01:45,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 02:01:45,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:45,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 02:01:45,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 02:01:45,150 INFO L87 Difference]: Start difference. First operand 158 states and 171 transitions. Second operand 11 states. [2021-02-22 02:01:45,655 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2021-02-22 02:01:45,803 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-02-22 02:01:46,168 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-02-22 02:01:46,619 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-22 02:01:46,737 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-22 02:01:46,896 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-02-22 02:01:47,052 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-02-22 02:01:47,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:47,336 INFO L93 Difference]: Finished difference Result 346 states and 379 transitions. [2021-02-22 02:01:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 02:01:47,337 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2021-02-22 02:01:47,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:47,339 INFO L225 Difference]: With dead ends: 346 [2021-02-22 02:01:47,339 INFO L226 Difference]: Without dead ends: 208 [2021-02-22 02:01:47,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2021-02-22 02:01:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-02-22 02:01:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 165. [2021-02-22 02:01:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2021-02-22 02:01:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2021-02-22 02:01:47,387 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 83 [2021-02-22 02:01:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:47,388 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2021-02-22 02:01:47,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 02:01:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2021-02-22 02:01:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-02-22 02:01:47,389 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:47,390 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-02-22 02:01:47,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:01:47,390 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1367874093, now seen corresponding path program 1 times [2021-02-22 02:01:47,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:47,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891275885] [2021-02-22 02:01:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:47,500 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2021-02-22 02:01:47,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-22 02:01:47,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:47,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:47,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:01:47,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:01:47,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:47,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 02:01:47,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-22 02:01:47,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:01:47,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:47,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:47,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:47,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:47,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:47,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:01:47,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:01:47,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-22 02:01:47,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:15 [2021-02-22 02:01:47,707 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form, |v_sll_create_#t~malloc6.base_3| has two outvars in equality [(= v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.offset_5), (= |v_#length_19| (store |v_#length_20| |v_sll_create_#t~malloc6.base_3| 4)), (= v_sll_create_~new_head~0.offset_6 |v_sll_create_#t~malloc6.offset_3|), (< 0 (+ v_sll_create_~len_4 1)), (= (select |v_#valid_30| |v_sll_create_#t~malloc6.base_3|) 0), (= (store |v_#valid_30| |v_sll_create_#t~malloc6.base_3| 1) |v_#valid_29|), (= (+ v_sll_create_~len_4 1) v_sll_create_~len_5), (= |v_#memory_int_17| (store |v_#memory_int_18| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_int_18| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 (select (select |v_#memory_int_17| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6)))), (< |v_sll_create_#t~malloc6.base_3| |v_#StackHeapBarrier_7|), (= |v_sll_create_#t~malloc6.base_3| v_sll_create_~new_head~0.base_6), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_6), (< v_sll_create_~new_head~0.base_6 0), (= (store |v_#memory_$Pointer$.base_23| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_$Pointer$.base_23| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.base_6)) |v_#memory_$Pointer$.base_22|), (= (store |v_#memory_$Pointer$.offset_23| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_$Pointer$.offset_23| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.offset_6)) |v_#memory_$Pointer$.offset_22|), (= |v_sll_create_#t~malloc6.offset_3| 0)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.extractUpdateRhs(SimultaneousUpdate.java:154) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.extractUpdateRhs(SimultaneousUpdate.java:154) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:104) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.accelerateNestedLoops(AcceleratedInterpolationCore.java:430) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:165) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 02:01:47,712 INFO L168 Benchmark]: Toolchain (without parser) took 10040.83 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 126.1 MB in the beginning and 184.9 MB in the end (delta: -58.7 MB). Peak memory consumption was 53.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:47,713 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 115.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:01:47,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.39 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 101.8 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:47,714 INFO L168 Benchmark]: Boogie Preprocessor took 211.79 ms. Allocated memory is still 151.0 MB. Free memory was 101.8 MB in the beginning and 131.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:47,715 INFO L168 Benchmark]: RCFGBuilder took 920.73 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 76.1 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:47,715 INFO L168 Benchmark]: TraceAbstraction took 8230.75 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 75.6 MB in the beginning and 184.9 MB in the end (delta: -109.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:47,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 115.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 652.39 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 101.8 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 211.79 ms. Allocated memory is still 151.0 MB. Free memory was 101.8 MB in the beginning and 131.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 920.73 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 76.1 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8230.75 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 75.6 MB in the beginning and 184.9 MB in the end (delta: -109.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, |v_sll_create_#t~malloc6.base_3| has two outvars in equality [(= v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.offset_5), (= |v_#length_19| (store |v_#length_20| |v_sll_create_#t~malloc6.base_3| 4)), (= v_sll_create_~new_head~0.offset_6 |v_sll_create_#t~malloc6.offset_3|), (< 0 (+ v_sll_create_~len_4 1)), (= (select |v_#valid_30| |v_sll_create_#t~malloc6.base_3|) 0), (= (store |v_#valid_30| |v_sll_create_#t~malloc6.base_3| 1) |v_#valid_29|), (= (+ v_sll_create_~len_4 1) v_sll_create_~len_5), (= |v_#memory_int_17| (store |v_#memory_int_18| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_int_18| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 (select (select |v_#memory_int_17| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6)))), (< |v_sll_create_#t~malloc6.base_3| |v_#StackHeapBarrier_7|), (= |v_sll_create_#t~malloc6.base_3| v_sll_create_~new_head~0.base_6), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_6), (< v_sll_create_~new_head~0.base_6 0), (= (store |v_#memory_$Pointer$.base_23| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_$Pointer$.base_23| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.base_6)) |v_#memory_$Pointer$.base_22|), (= (store |v_#memory_$Pointer$.offset_23| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_$Pointer$.offset_23| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.offset_6)) |v_#memory_$Pointer$.offset_22|), (= |v_sll_create_#t~malloc6.offset_3| 0)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_sll_create_#t~malloc6.base_3| has two outvars in equality [(= v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.offset_5), (= |v_#length_19| (store |v_#length_20| |v_sll_create_#t~malloc6.base_3| 4)), (= v_sll_create_~new_head~0.offset_6 |v_sll_create_#t~malloc6.offset_3|), (< 0 (+ v_sll_create_~len_4 1)), (= (select |v_#valid_30| |v_sll_create_#t~malloc6.base_3|) 0), (= (store |v_#valid_30| |v_sll_create_#t~malloc6.base_3| 1) |v_#valid_29|), (= (+ v_sll_create_~len_4 1) v_sll_create_~len_5), (= |v_#memory_int_17| (store |v_#memory_int_18| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_int_18| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 (select (select |v_#memory_int_17| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6)))), (< |v_sll_create_#t~malloc6.base_3| |v_#StackHeapBarrier_7|), (= |v_sll_create_#t~malloc6.base_3| v_sll_create_~new_head~0.base_6), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_6), (< v_sll_create_~new_head~0.base_6 0), (= (store |v_#memory_$Pointer$.base_23| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_$Pointer$.base_23| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.base_6)) |v_#memory_$Pointer$.base_22|), (= (store |v_#memory_$Pointer$.offset_23| v_sll_create_~new_head~0.base_6 (store (select |v_#memory_$Pointer$.offset_23| v_sll_create_~new_head~0.base_6) v_sll_create_~new_head~0.offset_6 v_sll_create_~head~0.offset_6)) |v_#memory_$Pointer$.offset_22|), (= |v_sll_create_#t~malloc6.offset_3| 0)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...