/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-36cd7be [2021-02-24 04:26:29,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:26:29,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:26:29,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:26:29,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:26:29,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:26:29,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:26:29,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:26:29,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:26:29,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:26:29,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:26:29,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:26:29,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:26:29,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:26:29,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:26:29,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:26:29,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:26:29,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:26:29,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:26:29,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:26:29,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:26:29,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:26:29,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:26:29,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:26:29,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:26:29,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:26:29,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:26:29,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:26:29,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:26:29,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:26:29,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:26:29,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:26:29,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:26:29,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:26:29,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:26:29,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:26:29,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:26:29,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:26:29,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:26:29,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:26:29,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:26:29,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:26:29,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:26:29,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:26:29,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:26:29,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:26:29,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:26:29,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:26:29,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:26:29,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:26:29,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:26:29,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:26:29,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:26:29,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:26:29,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:26:29,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:26:29,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:26:29,199 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:26:29,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:26:29,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:26:29,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:26:29,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:26:29,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:26:29,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:26:29,201 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:26:29,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:26:29,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:26:29,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:26:29,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:26:29,611 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:26:29,612 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:26:29,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2021-02-24 04:26:29,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9644b2405/157612b5562247959d01a3ce0a54bf62/FLAGcf2496847 [2021-02-24 04:26:30,318 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:26:30,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_nondet_insert-1.i [2021-02-24 04:26:30,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9644b2405/157612b5562247959d01a3ce0a54bf62/FLAGcf2496847 [2021-02-24 04:26:30,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9644b2405/157612b5562247959d01a3ce0a54bf62 [2021-02-24 04:26:30,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:26:30,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:26:30,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:26:30,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:26:30,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:26:30,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:26:30" (1/1) ... [2021-02-24 04:26:30,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dec02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:30, skipping insertion in model container [2021-02-24 04:26:30,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:26:30" (1/1) ... [2021-02-24 04:26:30,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:26:30,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:26:31,204 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] [2021-02-24 04:26:31,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:26:31,229 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:26:31,319 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] [2021-02-24 04:26:31,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:26:31,412 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:26:31,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31 WrapperNode [2021-02-24 04:26:31,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:26:31,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:26:31,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:26:31,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:26:31,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (1/1) ... [2021-02-24 04:26:31,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:26:31,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:26:31,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:26:31,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:26:31,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (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 [2021-02-24 04:26:31,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:26:31,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:26:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:26:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-24 04:26:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-24 04:26:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-24 04:26:31,618 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2021-02-24 04:26:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2021-02-24 04:26:31,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2021-02-24 04:26:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2021-02-24 04:26:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2021-02-24 04:26:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:26:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:26:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:26:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:26:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:26:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:26:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:26:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:26:31,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-24 04:26:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-24 04:26:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:26:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:26:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:26:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:26:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:26:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:26:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:26:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:26:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:26:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:26:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:26:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:26:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:26:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:26:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:26:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:26:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:26:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:26:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:26:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:26:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:26:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:26:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:26:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:26:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:26:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:26:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:26:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:26:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:26:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:26:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:26:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:26:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:26:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:26:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:26:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:26:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:26:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:26:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:26:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:26:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:26:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:26:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:26:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:26:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:26:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:26:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:26:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:26:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:26:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:26:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:26:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:26:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:26:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:26:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:26:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:26:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:26:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:26:31,638 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:26:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:26:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:26:31,639 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:26:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:26:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:26:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:26:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:26:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:26:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:26:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:26:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:26:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:26:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:26:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:26:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:26:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:26:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:26:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:26:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:26:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:26:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:26:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:26:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:26:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2021-02-24 04:26:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2021-02-24 04:26:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:26:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-24 04:26:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:26:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:26:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:26:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:26:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:26:32,116 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-24 04:26:32,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:26:32,355 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-24 04:26:32,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:26:32 BoogieIcfgContainer [2021-02-24 04:26:32,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:26:32,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:26:32,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:26:32,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:26:32,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:26:30" (1/3) ... [2021-02-24 04:26:32,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d98a30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:26:32, skipping insertion in model container [2021-02-24 04:26:32,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:31" (2/3) ... [2021-02-24 04:26:32,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d98a30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:26:32, skipping insertion in model container [2021-02-24 04:26:32,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:26:32" (3/3) ... [2021-02-24 04:26:32,367 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2021-02-24 04:26:32,375 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:26:32,381 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:26:32,403 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:26:32,428 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:26:32,429 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:26:32,429 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:26:32,429 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:26:32,429 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:26:32,429 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:26:32,430 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:26:32,430 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:26:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2021-02-24 04:26:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-24 04:26:32,463 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:32,464 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] [2021-02-24 04:26:32,465 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:32,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:32,472 INFO L82 PathProgramCache]: Analyzing trace with hash -671159745, now seen corresponding path program 1 times [2021-02-24 04:26:32,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:32,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371312193] [2021-02-24 04:26:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:32,580 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:32,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:32,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:26:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:32,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-24 04:26:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:32,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-24 04:26:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:32,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-24 04:26:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:32,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:32,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-24 04:26:32,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371312193] [2021-02-24 04:26:32,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:32,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:26:32,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205784417] [2021-02-24 04:26:32,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:26:32,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:32,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:26:32,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:26:32,857 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2021-02-24 04:26:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:33,359 INFO L93 Difference]: Finished difference Result 294 states and 342 transitions. [2021-02-24 04:26:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 04:26:33,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2021-02-24 04:26:33,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:33,373 INFO L225 Difference]: With dead ends: 294 [2021-02-24 04:26:33,373 INFO L226 Difference]: Without dead ends: 127 [2021-02-24 04:26:33,378 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 [2021-02-24 04:26:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-02-24 04:26:33,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2021-02-24 04:26:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-24 04:26:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 127 transitions. [2021-02-24 04:26:33,445 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 127 transitions. Word has length 58 [2021-02-24 04:26:33,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:33,445 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 127 transitions. [2021-02-24 04:26:33,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:26:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2021-02-24 04:26:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-02-24 04:26:33,450 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:33,450 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] [2021-02-24 04:26:33,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:26:33,451 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:33,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:33,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1231344721, now seen corresponding path program 1 times [2021-02-24 04:26:33,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:33,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064775739] [2021-02-24 04:26:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:33,462 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:33,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:33,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:33,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:33,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:33,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:33,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:26:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:33,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:33,659 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-24 04:26:33,661 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-24 04:26:33,681 WARN L141 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-02-24 04:26:33,682 WARN L147 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size 19 [2021-02-24 04:26:33,709 WARN L141 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size [2021-02-24 04:26:33,710 WARN L147 QuantifierPusher]: treesize reduction 12, result has 61.3 percent of original size 19 [2021-02-24 04:26:33,737 WARN L141 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size [2021-02-24 04:26:33,738 WARN L147 QuantifierPusher]: treesize reduction 12, result has 58.6 percent of original size 17 [2021-02-24 04:26:33,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:26:33,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-02-24 04:26:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:33,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:33,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:33,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-24 04:26:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:33,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:33,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-02-24 04:26:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:33,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:33,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-24 04:26:33,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064775739] [2021-02-24 04:26:33,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:33,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 04:26:33,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522774821] [2021-02-24 04:26:33,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 04:26:33,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:33,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 04:26:33,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-02-24 04:26:33,902 INFO L87 Difference]: Start difference. First operand 118 states and 127 transitions. Second operand 15 states. [2021-02-24 04:26:35,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:35,530 INFO L93 Difference]: Finished difference Result 279 states and 305 transitions. [2021-02-24 04:26:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-24 04:26:35,531 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 73 [2021-02-24 04:26:35,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:35,534 INFO L225 Difference]: With dead ends: 279 [2021-02-24 04:26:35,534 INFO L226 Difference]: Without dead ends: 173 [2021-02-24 04:26:35,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2021-02-24 04:26:35,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-02-24 04:26:35,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 138. [2021-02-24 04:26:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-02-24 04:26:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2021-02-24 04:26:35,567 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 73 [2021-02-24 04:26:35,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:35,568 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2021-02-24 04:26:35,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 04:26:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2021-02-24 04:26:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-24 04:26:35,571 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:35,571 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] [2021-02-24 04:26:35,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:26:35,571 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:35,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:35,572 INFO L82 PathProgramCache]: Analyzing trace with hash -647964724, now seen corresponding path program 1 times [2021-02-24 04:26:35,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:35,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054892631] [2021-02-24 04:26:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:35,578 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:35,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:35,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:35,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:35,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:35,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:35,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:35,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:26:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:35,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:35,685 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 04:26:35,686 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 04:26:35,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:26:35,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 04:26:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:35,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:35,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:35,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:35,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 04:26:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:35,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-24 04:26:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:35,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:35,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:26:35,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054892631] [2021-02-24 04:26:35,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:35,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-24 04:26:35,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131831744] [2021-02-24 04:26:35,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 04:26:35,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:35,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 04:26:35,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-02-24 04:26:35,802 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand 12 states. [2021-02-24 04:26:37,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:37,105 INFO L93 Difference]: Finished difference Result 317 states and 352 transitions. [2021-02-24 04:26:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-24 04:26:37,107 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 75 [2021-02-24 04:26:37,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:37,111 INFO L225 Difference]: With dead ends: 317 [2021-02-24 04:26:37,111 INFO L226 Difference]: Without dead ends: 210 [2021-02-24 04:26:37,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2021-02-24 04:26:37,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-02-24 04:26:37,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 158. [2021-02-24 04:26:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2021-02-24 04:26:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 171 transitions. [2021-02-24 04:26:37,159 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 171 transitions. Word has length 75 [2021-02-24 04:26:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:37,159 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 171 transitions. [2021-02-24 04:26:37,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 04:26:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2021-02-24 04:26:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-02-24 04:26:37,165 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:37,165 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] [2021-02-24 04:26:37,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 04:26:37,166 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:37,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:37,168 INFO L82 PathProgramCache]: Analyzing trace with hash -758130634, now seen corresponding path program 1 times [2021-02-24 04:26:37,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:37,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271122651] [2021-02-24 04:26:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:37,180 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:37,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:37,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:37,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-24 04:26:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:37,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:37,327 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-24 04:26:37,328 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-24 04:26:37,340 WARN L141 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size [2021-02-24 04:26:37,341 WARN L147 QuantifierPusher]: treesize reduction 16, result has 54.3 percent of original size 19 [2021-02-24 04:26:37,358 WARN L141 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-02-24 04:26:37,361 WARN L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-02-24 04:26:37,385 WARN L141 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-02-24 04:26:37,387 WARN L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-02-24 04:26:37,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 04:26:37,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 04:26:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-24 04:26:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:37,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-24 04:26:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:37,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:37,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-24 04:26:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:37,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:37,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:26:37,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271122651] [2021-02-24 04:26:37,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:37,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 04:26:37,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896716723] [2021-02-24 04:26:37,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 04:26:37,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:37,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 04:26:37,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 04:26:37,506 INFO L87 Difference]: Start difference. First operand 158 states and 171 transitions. Second operand 11 states. [2021-02-24 04:26:38,012 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2021-02-24 04:26:38,145 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-02-24 04:26:38,390 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-02-24 04:26:38,520 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-02-24 04:26:38,938 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-02-24 04:26:39,091 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-24 04:26:39,232 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-02-24 04:26:39,379 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-02-24 04:26:39,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:39,626 INFO L93 Difference]: Finished difference Result 346 states and 379 transitions. [2021-02-24 04:26:39,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-24 04:26:39,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2021-02-24 04:26:39,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:39,629 INFO L225 Difference]: With dead ends: 346 [2021-02-24 04:26:39,629 INFO L226 Difference]: Without dead ends: 208 [2021-02-24 04:26:39,631 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 [2021-02-24 04:26:39,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-02-24 04:26:39,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 165. [2021-02-24 04:26:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2021-02-24 04:26:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2021-02-24 04:26:39,670 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 83 [2021-02-24 04:26:39,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:39,671 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2021-02-24 04:26:39,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 04:26:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2021-02-24 04:26:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-02-24 04:26:39,672 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:39,673 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] [2021-02-24 04:26:39,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:26:39,673 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:39,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:39,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1367874093, now seen corresponding path program 1 times [2021-02-24 04:26:39,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:39,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936344306] [2021-02-24 04:26:39,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:39,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-24 04:26:39,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:39,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:39,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:26:39,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:26:39,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:39,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 04:26:39,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-02-24 04:26:39,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:26:39,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:39,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:39,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-24 04:26:39,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:39,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:39,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:26:39,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:26:39,947 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. [2021-02-24 04:26:39,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:15 [2021-02-24 04:26:39,952 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) [2021-02-24 04:26:39,956 INFO L168 Benchmark]: Toolchain (without parser) took 9342.40 ms. Allocated memory was 181.4 MB in the beginning and 308.3 MB in the end (delta: 126.9 MB). Free memory was 155.7 MB in the beginning and 161.0 MB in the end (delta: -5.3 MB). Peak memory consumption was 122.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:39,956 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 181.4 MB. Free memory is still 154.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:26:39,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.71 ms. Allocated memory is still 181.4 MB. Free memory was 154.6 MB in the beginning and 130.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:39,957 INFO L168 Benchmark]: Boogie Preprocessor took 106.60 ms. Allocated memory is still 181.4 MB. Free memory was 130.8 MB in the beginning and 162.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:39,958 INFO L168 Benchmark]: RCFGBuilder took 834.87 ms. Allocated memory is still 181.4 MB. Free memory was 162.6 MB in the beginning and 107.0 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:39,959 INFO L168 Benchmark]: TraceAbstraction took 7594.76 ms. Allocated memory was 181.4 MB in the beginning and 308.3 MB in the end (delta: 126.9 MB). Free memory was 106.5 MB in the beginning and 161.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:39,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 181.4 MB. Free memory is still 154.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 786.71 ms. Allocated memory is still 181.4 MB. Free memory was 154.6 MB in the beginning and 130.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.60 ms. Allocated memory is still 181.4 MB. Free memory was 130.8 MB in the beginning and 162.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 834.87 ms. Allocated memory is still 181.4 MB. Free memory was 162.6 MB in the beginning and 107.0 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7594.76 ms. Allocated memory was 181.4 MB in the beginning and 308.3 MB in the end (delta: 126.9 MB). Free memory was 106.5 MB in the beginning and 161.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 72.4 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...