/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:06:03,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:06:03,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:06:03,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 18:06:03,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 18:06:03,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 18:06:03,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 18:06:03,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 18:06:03,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 18:06:03,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 18:06:03,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 18:06:03,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 18:06:03,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:06:03,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:06:03,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:06:03,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:06:03,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:06:03,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:06:03,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:06:03,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:06:03,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:06:03,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:06:03,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:06:03,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:06:03,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 18:06:03,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 18:06:03,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 18:06:03,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 18:06:03,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 18:06:03,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 18:06:03,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 18:06:03,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 18:06:03,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 18:06:03,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 18:06:03,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 18:06:03,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 18:06:03,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 18:06:03,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 18:06:03,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 18:06:03,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 18:06:03,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 18:06:03,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:06:03,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:06:03,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:06:03,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:06:03,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:06:03,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:06:03,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:06:03,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:06:03,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:06:03,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:06:03,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:06:03,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:06:03,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:06:03,586 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:06:03,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:06:03,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:06:03,587 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:06:03,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:06:03,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:06:03,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:06:03,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:06:03,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:06:03,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:06:03,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:06:03,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:06:04,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:06:04,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:06:04,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:06:04,019 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:06:04,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2021-02-23 18:06:04,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ac73621/8aa11ed2ea074c0dadf367e1db8b293d/FLAGbb0b89163 [2021-02-23 18:06:04,955 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:06:04,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2021-02-23 18:06:04,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ac73621/8aa11ed2ea074c0dadf367e1db8b293d/FLAGbb0b89163 [2021-02-23 18:06:05,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ac73621/8aa11ed2ea074c0dadf367e1db8b293d [2021-02-23 18:06:05,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:06:05,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:06:05,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:06:05,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:06:05,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:06:05,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64aacbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05, skipping insertion in model container [2021-02-23 18:06:05,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:06:05,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:06:05,480 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i[292,305] [2021-02-23 18:06:05,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:06:05,734 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:06:05,749 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i[292,305] [2021-02-23 18:06:05,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:06:05,902 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:06:05,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05 WrapperNode [2021-02-23 18:06:05,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:06:05,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:06:05,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:06:05,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:06:05,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:05,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (1/1) ... [2021-02-23 18:06:06,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:06:06,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:06:06,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:06:06,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:06:06,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (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 [2021-02-23 18:06:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:06:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:06:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:06:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-23 18:06:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 18:06:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 18:06:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-23 18:06:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-23 18:06:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-23 18:06:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2021-02-23 18:06:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2021-02-23 18:06:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-02-23 18:06:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-02-23 18:06:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:06:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:06:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:06:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:06:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:06:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-23 18:06:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 18:06:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 18:06:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 18:06:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 18:06:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 18:06:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 18:06:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 18:06:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 18:06:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 18:06:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 18:06:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 18:06:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 18:06:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-23 18:06:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-23 18:06:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-23 18:06:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 18:06:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 18:06:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 18:06:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 18:06:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 18:06:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 18:06:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 18:06:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 18:06:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 18:06:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 18:06:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 18:06:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 18:06:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 18:06:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 18:06:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 18:06:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 18:06:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 18:06:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 18:06:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 18:06:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 18:06:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 18:06:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 18:06:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 18:06:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 18:06:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 18:06:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 18:06:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 18:06:06,170 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 18:06:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 18:06:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 18:06:06,171 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 18:06:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 18:06:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 18:06:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 18:06:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 18:06:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 18:06:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 18:06:06,174 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 18:06:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 18:06:06,176 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 18:06:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 18:06:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 18:06:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 18:06:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 18:06:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 18:06:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 18:06:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 18:06:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 18:06:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 18:06:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 18:06:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 18:06:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 18:06:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 18:06:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 18:06:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2021-02-23 18:06:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-02-23 18:06:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-02-23 18:06:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:06:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:06:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:06:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 18:06:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:06:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 18:06:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 18:06:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:06:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:06:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:06:06,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:06:06,756 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 18:06:06,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:06:06 BoogieIcfgContainer [2021-02-23 18:06:06,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:06:06,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:06:06,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:06:06,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:06:06,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:06:05" (1/3) ... [2021-02-23 18:06:06,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4607167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:06:06, skipping insertion in model container [2021-02-23 18:06:06,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:06:05" (2/3) ... [2021-02-23 18:06:06,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4607167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:06:06, skipping insertion in model container [2021-02-23 18:06:06,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:06:06" (3/3) ... [2021-02-23 18:06:06,768 INFO L111 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2021-02-23 18:06:06,775 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:06:06,779 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:06:06,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:06:06,820 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:06:06,821 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:06:06,821 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:06:06,821 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:06:06,821 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:06:06,821 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:06:06,821 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:06:06,821 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:06:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2021-02-23 18:06:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-23 18:06:06,847 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:06,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:06,849 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:06,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:06,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1772381528, now seen corresponding path program 1 times [2021-02-23 18:06:06,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:06,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426843817] [2021-02-23 18:06:06,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:06,965 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:07,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:07,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:07,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:07,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:07,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:07,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:07,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:07,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:06:07,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426843817] [2021-02-23 18:06:07,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:07,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 18:06:07,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016228144] [2021-02-23 18:06:07,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 18:06:07,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:07,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 18:06:07,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 18:06:07,536 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 7 states. [2021-02-23 18:06:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:08,186 INFO L93 Difference]: Finished difference Result 132 states and 157 transitions. [2021-02-23 18:06:08,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 18:06:08,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2021-02-23 18:06:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:08,199 INFO L225 Difference]: With dead ends: 132 [2021-02-23 18:06:08,199 INFO L226 Difference]: Without dead ends: 71 [2021-02-23 18:06:08,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-02-23 18:06:08,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-02-23 18:06:08,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2021-02-23 18:06:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-02-23 18:06:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-02-23 18:06:08,265 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 26 [2021-02-23 18:06:08,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:08,266 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-02-23 18:06:08,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 18:06:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-02-23 18:06:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-02-23 18:06:08,269 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:08,269 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:08,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:06:08,270 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:08,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:08,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1109674261, now seen corresponding path program 1 times [2021-02-23 18:06:08,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:08,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442220393] [2021-02-23 18:06:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:08,278 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:08,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:08,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:08,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:08,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:08,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 18:06:08,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 18:06:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:08,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 18:06:08,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:08,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:08,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:08,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-02-23 18:06:08,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442220393] [2021-02-23 18:06:08,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:08,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 18:06:08,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193610309] [2021-02-23 18:06:08,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 18:06:08,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:08,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 18:06:08,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 18:06:08,670 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 9 states. [2021-02-23 18:06:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:08,984 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2021-02-23 18:06:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 18:06:08,985 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2021-02-23 18:06:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:08,988 INFO L225 Difference]: With dead ends: 105 [2021-02-23 18:06:08,988 INFO L226 Difference]: Without dead ends: 77 [2021-02-23 18:06:08,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-23 18:06:08,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-23 18:06:09,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2021-02-23 18:06:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-02-23 18:06:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2021-02-23 18:06:09,010 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 66 [2021-02-23 18:06:09,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:09,011 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2021-02-23 18:06:09,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 18:06:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2021-02-23 18:06:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-02-23 18:06:09,014 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:09,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:09,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 18:06:09,014 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:09,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:09,015 INFO L82 PathProgramCache]: Analyzing trace with hash -499508081, now seen corresponding path program 1 times [2021-02-23 18:06:09,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:09,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299311596] [2021-02-23 18:06:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:09,021 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:09,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,125 WARN L141 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size [2021-02-23 18:06:09,126 WARN L147 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size 8 [2021-02-23 18:06:09,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:09,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:09,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:09,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:09,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:09,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:09,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:09,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:09,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:09,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:09,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:09,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:09,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:09,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-02-23 18:06:09,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299311596] [2021-02-23 18:06:09,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:09,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 18:06:09,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330416663] [2021-02-23 18:06:09,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 18:06:09,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:09,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 18:06:09,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-02-23 18:06:09,399 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand 17 states. [2021-02-23 18:06:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:11,008 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2021-02-23 18:06:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-23 18:06:11,009 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 66 [2021-02-23 18:06:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:11,014 INFO L225 Difference]: With dead ends: 126 [2021-02-23 18:06:11,014 INFO L226 Difference]: Without dead ends: 121 [2021-02-23 18:06:11,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2021-02-23 18:06:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-02-23 18:06:11,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 106. [2021-02-23 18:06:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-23 18:06:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2021-02-23 18:06:11,048 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 66 [2021-02-23 18:06:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:11,049 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2021-02-23 18:06:11,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 18:06:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2021-02-23 18:06:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-02-23 18:06:11,052 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:11,052 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:11,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 18:06:11,052 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:11,053 INFO L82 PathProgramCache]: Analyzing trace with hash -36617582, now seen corresponding path program 1 times [2021-02-23 18:06:11,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:11,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043748235] [2021-02-23 18:06:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:11,059 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 18:06:11,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 18:06:11,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 18:06:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 18:06:11,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043748235] [2021-02-23 18:06:11,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:11,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 18:06:11,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581894320] [2021-02-23 18:06:11,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 18:06:11,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:11,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 18:06:11,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 18:06:11,347 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand 9 states. [2021-02-23 18:06:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:11,709 INFO L93 Difference]: Finished difference Result 139 states and 156 transitions. [2021-02-23 18:06:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 18:06:11,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2021-02-23 18:06:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:11,712 INFO L225 Difference]: With dead ends: 139 [2021-02-23 18:06:11,712 INFO L226 Difference]: Without dead ends: 85 [2021-02-23 18:06:11,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-02-23 18:06:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-02-23 18:06:11,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2021-02-23 18:06:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-23 18:06:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2021-02-23 18:06:11,736 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 66 [2021-02-23 18:06:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:11,736 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2021-02-23 18:06:11,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 18:06:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2021-02-23 18:06:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 18:06:11,738 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:11,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:11,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 18:06:11,739 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:11,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:11,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1317118349, now seen corresponding path program 1 times [2021-02-23 18:06:11,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:11,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564189268] [2021-02-23 18:06:11,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:11,744 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,822 WARN L141 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size [2021-02-23 18:06:11,823 WARN L147 QuantifierPusher]: treesize reduction 9, result has 57.1 percent of original size 12 [2021-02-23 18:06:11,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:11,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:11,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:11,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:11,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:11,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:11,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:11,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:11,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:12,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:12,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:12,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:12,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:12,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:12,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:12,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 18:06:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:12,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:12,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 18:06:12,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564189268] [2021-02-23 18:06:12,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:12,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-02-23 18:06:12,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164409876] [2021-02-23 18:06:12,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-23 18:06:12,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:12,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-23 18:06:12,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-02-23 18:06:12,143 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 18 states. [2021-02-23 18:06:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:13,353 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2021-02-23 18:06:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-23 18:06:13,355 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 75 [2021-02-23 18:06:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:13,357 INFO L225 Difference]: With dead ends: 94 [2021-02-23 18:06:13,357 INFO L226 Difference]: Without dead ends: 91 [2021-02-23 18:06:13,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2021-02-23 18:06:13,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-23 18:06:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 81. [2021-02-23 18:06:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-23 18:06:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2021-02-23 18:06:13,382 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 75 [2021-02-23 18:06:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:13,383 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2021-02-23 18:06:13,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-02-23 18:06:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2021-02-23 18:06:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-02-23 18:06:13,384 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:13,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:13,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 18:06:13,385 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:13,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:13,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1546910366, now seen corresponding path program 1 times [2021-02-23 18:06:13,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:13,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675245458] [2021-02-23 18:06:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:13,389 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:13,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:06:13,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:13,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:13,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:13,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 18:06:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:13,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:13,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 18:06:13,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675245458] [2021-02-23 18:06:13,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:13,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-23 18:06:13,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529501184] [2021-02-23 18:06:13,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 18:06:13,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:13,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 18:06:13,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=459, Unknown=0, NotChecked=0, Total=506 [2021-02-23 18:06:13,866 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand 23 states. [2021-02-23 18:06:15,227 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2021-02-23 18:06:15,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:15,654 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2021-02-23 18:06:15,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-23 18:06:15,654 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 76 [2021-02-23 18:06:15,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:15,658 INFO L225 Difference]: With dead ends: 98 [2021-02-23 18:06:15,659 INFO L226 Difference]: Without dead ends: 90 [2021-02-23 18:06:15,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=210, Invalid=1682, Unknown=0, NotChecked=0, Total=1892 [2021-02-23 18:06:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-02-23 18:06:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2021-02-23 18:06:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-02-23 18:06:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2021-02-23 18:06:15,706 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 76 [2021-02-23 18:06:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:15,706 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2021-02-23 18:06:15,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 18:06:15,707 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2021-02-23 18:06:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-02-23 18:06:15,708 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:15,709 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:15,709 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 18:06:15,709 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:15,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:15,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1420644118, now seen corresponding path program 1 times [2021-02-23 18:06:15,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:15,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96510199] [2021-02-23 18:06:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:15,719 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:15,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:15,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:15,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:15,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:15,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:15,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:15,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:15,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:15,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:06:15,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:15,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:15,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:15,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:15,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:15,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:15,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:15,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:15,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:15,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:15,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:15,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:16,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:16,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:16,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:16,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:16,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:16,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:16,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:16,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 18:06:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:16,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:16,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-23 18:06:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:16,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:16,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 18:06:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:16,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:16,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 18:06:16,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96510199] [2021-02-23 18:06:16,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:16,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-23 18:06:16,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259096102] [2021-02-23 18:06:16,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 18:06:16,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:16,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 18:06:16,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-02-23 18:06:16,283 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 24 states. [2021-02-23 18:06:17,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:17,962 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2021-02-23 18:06:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-23 18:06:17,963 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 90 [2021-02-23 18:06:17,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:17,965 INFO L225 Difference]: With dead ends: 94 [2021-02-23 18:06:17,966 INFO L226 Difference]: Without dead ends: 87 [2021-02-23 18:06:17,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=232, Invalid=1748, Unknown=0, NotChecked=0, Total=1980 [2021-02-23 18:06:17,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-02-23 18:06:17,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-02-23 18:06:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-02-23 18:06:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2021-02-23 18:06:17,991 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 90 [2021-02-23 18:06:17,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:17,991 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2021-02-23 18:06:17,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 18:06:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2021-02-23 18:06:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-02-23 18:06:17,994 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:17,994 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:17,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 18:06:17,994 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:17,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:17,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1561940976, now seen corresponding path program 2 times [2021-02-23 18:06:17,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:17,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885163624] [2021-02-23 18:06:17,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:17,999 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:18,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:18,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:18,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:06:18,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:06:18,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,137 WARN L141 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-02-23 18:06:18,140 WARN L147 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size 21 [2021-02-23 18:06:18,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:18,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 18:06:18,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 18:06:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 18:06:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:18,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 18:06:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:18,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 18:06:18,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:18,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 18:06:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-02-23 18:06:18,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885163624] [2021-02-23 18:06:18,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:18,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-23 18:06:18,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393980286] [2021-02-23 18:06:18,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 18:06:18,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:18,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 18:06:18,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2021-02-23 18:06:18,619 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand 24 states. [2021-02-23 18:06:20,454 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-02-23 18:06:20,775 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-02-23 18:06:20,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:20,928 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2021-02-23 18:06:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 18:06:20,929 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 90 [2021-02-23 18:06:20,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:20,931 INFO L225 Difference]: With dead ends: 111 [2021-02-23 18:06:20,931 INFO L226 Difference]: Without dead ends: 102 [2021-02-23 18:06:20,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=309, Invalid=2447, Unknown=0, NotChecked=0, Total=2756 [2021-02-23 18:06:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-02-23 18:06:20,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2021-02-23 18:06:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-02-23 18:06:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 104 transitions. [2021-02-23 18:06:20,956 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 104 transitions. Word has length 90 [2021-02-23 18:06:20,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:20,956 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 104 transitions. [2021-02-23 18:06:20,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 18:06:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 104 transitions. [2021-02-23 18:06:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-02-23 18:06:20,958 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:20,958 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:20,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 18:06:20,959 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:20,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash 176174744, now seen corresponding path program 1 times [2021-02-23 18:06:20,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:20,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298820922] [2021-02-23 18:06:20,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:20,963 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:21,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:06:21,051 WARN L141 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size [2021-02-23 18:06:21,052 WARN L147 QuantifierPusher]: treesize reduction 13, result has 38.1 percent of original size 8 [2021-02-23 18:06:21,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:21,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:21,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 18:06:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:21,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:21,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 18:06:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:21,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:21,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 18:06:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:21,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 18:06:21,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 18:06:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-23 18:06:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:21,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 18:06:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:21,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:21,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:21,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:06:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:06:21,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298820922] [2021-02-23 18:06:21,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:21,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-23 18:06:21,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284331505] [2021-02-23 18:06:21,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 18:06:21,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:21,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 18:06:21,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2021-02-23 18:06:21,373 INFO L87 Difference]: Start difference. First operand 101 states and 104 transitions. Second operand 19 states. [2021-02-23 18:06:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:22,818 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2021-02-23 18:06:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-23 18:06:22,818 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 91 [2021-02-23 18:06:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:22,819 INFO L225 Difference]: With dead ends: 105 [2021-02-23 18:06:22,819 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 18:06:22,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=253, Invalid=1469, Unknown=0, NotChecked=0, Total=1722 [2021-02-23 18:06:22,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 18:06:22,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 18:06:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 18:06:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 18:06:22,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-02-23 18:06:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:22,822 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 18:06:22,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 18:06:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 18:06:22,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 18:06:22,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 18:06:22,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 18:06:24,116 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-02-23 18:06:24,383 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-02-23 18:06:24,661 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2021-02-23 18:06:24,971 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2021-02-23 18:06:25,145 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-02-23 18:06:25,525 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2021-02-23 18:06:25,823 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 45 [2021-02-23 18:06:26,082 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2021-02-23 18:06:26,402 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2021-02-23 18:06:26,930 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 45 [2021-02-23 18:06:27,144 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2021-02-23 18:06:27,337 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2021-02-23 18:06:27,585 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-02-23 18:06:27,771 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2021-02-23 18:06:28,022 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2021-02-23 18:06:28,345 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2021-02-23 18:06:28,589 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-02-23 18:06:28,729 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2021-02-23 18:06:28,876 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2021-02-23 18:06:29,290 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-02-23 18:06:29,669 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 45 [2021-02-23 18:06:30,013 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2021-02-23 18:06:30,315 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 30 [2021-02-23 18:06:30,416 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2021-02-23 18:06:30,634 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-02-23 18:06:30,903 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 45 [2021-02-23 18:06:31,009 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 18:06:31,009 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 18:06:31,009 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 18:06:31,009 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 166 170) no Hoare annotation was computed. [2021-02-23 18:06:31,009 INFO L189 CegarLoopUtils]: For program point L169(line 169) no Hoare annotation was computed. [2021-02-23 18:06:31,009 INFO L189 CegarLoopUtils]: For program point L169-1(line 169) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 166 170) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 166 170) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L189 CegarLoopUtils]: For program point __uint64_identityFINAL(lines 186 190) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L189 CegarLoopUtils]: For program point L189(line 189) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L189 CegarLoopUtils]: For program point __uint64_identityENTRY(lines 186 190) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L189 CegarLoopUtils]: For program point __uint64_identityEXIT(lines 186 190) no Hoare annotation was computed. [2021-02-23 18:06:31,010 INFO L192 CegarLoopUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2021-02-23 18:06:31,010 INFO L192 CegarLoopUtils]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2021-02-23 18:06:31,011 INFO L192 CegarLoopUtils]: At program point L6(line 6) the Hoare annotation is: true [2021-02-23 18:06:31,011 INFO L192 CegarLoopUtils]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2021-02-23 18:06:31,011 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2021-02-23 18:06:31,011 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 171 175) no Hoare annotation was computed. [2021-02-23 18:06:31,011 INFO L189 CegarLoopUtils]: For program point L174(line 174) no Hoare annotation was computed. [2021-02-23 18:06:31,011 INFO L189 CegarLoopUtils]: For program point L174-1(line 174) no Hoare annotation was computed. [2021-02-23 18:06:31,011 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 171 175) no Hoare annotation was computed. [2021-02-23 18:06:31,011 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 171 175) no Hoare annotation was computed. [2021-02-23 18:06:31,011 INFO L185 CegarLoopUtils]: At program point L547-2(line 547) the Hoare annotation is: (or (and (<= ~guard_malloc_counter~0.offset (+ |old(~guard_malloc_counter~0.offset)| 1)) (<= 1 |main_#t~ret13.offset|) (<= 1 main_~dev1~0.offset) (<= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (<= |main_#t~ret13.offset| ~guard_malloc_counter~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (and (= main_~dev1~0.base 0) (= |main_#t~ret13.offset| 0) (= main_~dev1~0.offset 0) (= |main_#t~ret13.base| 0)) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0))) [2021-02-23 18:06:31,012 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 545 556) the Hoare annotation is: (or (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base) (= ~guard_malloc_counter~0.offset 0))) [2021-02-23 18:06:31,012 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 545 556) the Hoare annotation is: true [2021-02-23 18:06:31,012 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 545 556) the Hoare annotation is: true [2021-02-23 18:06:31,012 INFO L185 CegarLoopUtils]: At program point L552(line 552) the Hoare annotation is: (let ((.cse1 (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset)) (.cse0 (<= 2 main_~dev2~0.offset)) (.cse2 (<= (+ main_~dev1~0.offset 1) main_~dev2~0.offset))) (or (and .cse0 (= ~elem~0.offset 0) (<= 1 ~guard_malloc_counter~0.offset)) (and .cse1 (<= (+ ~elem~0.offset 1) main_~dev2~0.offset) (<= main_~dev1~0.offset ~guard_malloc_counter~0.offset) .cse2) (and .cse1 (<= main_~dev2~0.offset 2) (not (= 2 ~elem~0.offset)) .cse0 (= main_~dev2~0.base ~elem~0.base) .cse2) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0)))) [2021-02-23 18:06:31,012 INFO L185 CegarLoopUtils]: At program point L551(line 551) the Hoare annotation is: (let ((.cse0 (<= 2 main_~dev2~0.offset)) (.cse1 (<= 1 ~guard_malloc_counter~0.offset))) (or (and .cse0 (= ~elem~0.offset 0) .cse1) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0)) (and (let ((.cse2 (<= main_~dev2~0.offset 2)) (.cse3 (<= (+ main_~dev1~0.offset 1) main_~dev2~0.offset))) (or (and .cse2 .cse0 (= main_~dev2~0.base ~elem~0.base) .cse3) (and .cse2 .cse0 (<= (+ ~elem~0.offset 1) main_~dev2~0.offset) .cse3))) .cse1))) [2021-02-23 18:06:31,013 INFO L185 CegarLoopUtils]: At program point L550(line 550) the Hoare annotation is: (or (and (<= main_~dev2~0.offset 2) (<= 1 main_~dev1~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset) (<= (+ main_~dev1~0.offset 1) main_~dev2~0.offset) (<= 1 ~guard_malloc_counter~0.offset)) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0))) [2021-02-23 18:06:31,013 INFO L185 CegarLoopUtils]: At program point L549(lines 549 554) the Hoare annotation is: (let ((.cse0 (<= 1 ~guard_malloc_counter~0.offset))) (or (and (= main_~dev2~0.offset 0) (= ~elem~0.offset 0) (= main_~dev2~0.base 0) .cse0) (and (<= main_~dev2~0.offset 2) (<= 1 main_~dev1~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset) (<= (+ main_~dev1~0.offset 1) main_~dev2~0.offset) .cse0) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0)))) [2021-02-23 18:06:31,013 INFO L185 CegarLoopUtils]: At program point L550-1(line 550) the Hoare annotation is: (let ((.cse1 (+ main_~dev1~0.offset 1))) (let ((.cse0 (<= main_~dev2~0.offset 2)) (.cse2 (<= .cse1 main_~dev2~0.offset)) (.cse3 (<= 1 ~guard_malloc_counter~0.offset))) (or (and .cse0 (<= 2 main_~dev2~0.offset) (= main_~dev2~0.base ~elem~0.base) (<= .cse1 ~elem~0.offset) .cse2 .cse3) (and .cse0 (<= 1 main_~dev1~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset) .cse2 .cse3) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0))))) [2021-02-23 18:06:31,013 INFO L185 CegarLoopUtils]: At program point L548(line 548) the Hoare annotation is: (or (and (<= ~guard_malloc_counter~0.offset (+ |old(~guard_malloc_counter~0.offset)| 1)) (<= 1 main_~dev1~0.offset) (<= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0))) [2021-02-23 18:06:31,013 INFO L192 CegarLoopUtils]: At program point L549-1(lines 549 554) the Hoare annotation is: true [2021-02-23 18:06:31,013 INFO L185 CegarLoopUtils]: At program point L547(line 547) the Hoare annotation is: (or (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base) (= ~guard_malloc_counter~0.offset 0))) [2021-02-23 18:06:31,014 INFO L185 CegarLoopUtils]: At program point L548-1(line 548) the Hoare annotation is: (let ((.cse0 (<= 1 ~guard_malloc_counter~0.offset))) (or (not (= |old(~guard_malloc_counter~0.offset)| 0)) (and (<= (+ main_~dev1~0.offset 1) |main_#t~ret14.offset|) (<= 1 main_~dev1~0.offset) (<= |main_#t~ret14.offset| 2) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset) .cse0) (and (= |main_#t~ret14.offset| 0) (= |main_#t~ret14.base| 0) (= ~elem~0.offset 0) .cse0) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0)))) [2021-02-23 18:06:31,014 INFO L185 CegarLoopUtils]: At program point L546(line 546) the Hoare annotation is: (or (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base) (= ~guard_malloc_counter~0.offset 0))) [2021-02-23 18:06:31,014 INFO L185 CegarLoopUtils]: At program point L547-1(line 547) the Hoare annotation is: (or (and (= |main_#t~ret13.offset| 0) (= |main_#t~ret13.base| 0)) (and (<= ~guard_malloc_counter~0.offset (+ |old(~guard_malloc_counter~0.offset)| 1)) (<= 1 |main_#t~ret13.offset|) (<= |main_#t~ret13.offset| ~guard_malloc_counter~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (not (= |old(~elem~0.offset)| 0))) [2021-02-23 18:06:31,014 INFO L185 CegarLoopUtils]: At program point L548-2(line 548) the Hoare annotation is: (let ((.cse0 (= ~elem~0.offset 0)) (.cse1 (<= 1 ~guard_malloc_counter~0.offset))) (or (and (<= main_~dev2~0.offset 2) (<= 1 main_~dev1~0.offset) .cse0 (<= |main_#t~ret14.offset| 2) (= |old(~elem~0.base)| ~elem~0.base) (<= 2 |main_#t~ret14.offset|) (<= (+ main_~dev1~0.offset 1) main_~dev2~0.offset) .cse1) (and (= |main_#t~ret14.offset| 0) (= main_~dev2~0.offset 0) (= |main_#t~ret14.base| 0) .cse0 (= main_~dev2~0.base 0) .cse1) (not (= |old(~guard_malloc_counter~0.offset)| 0)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0)))) [2021-02-23 18:06:31,014 INFO L185 CegarLoopUtils]: At program point __getMemoryENTRY(lines 520 527) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,014 INFO L185 CegarLoopUtils]: At program point __getMemoryEXIT(lines 520 527) the Hoare annotation is: (let ((.cse3 (+ |old(~guard_malloc_counter~0.offset)| 1))) (let ((.cse0 (<= .cse3 ~guard_malloc_counter~0.offset)) (.cse1 (= 8 __getMemory_~size))) (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (and (<= |__getMemory_#res.offset| 0) .cse0 (<= |__getMemory_#res.base| 0) .cse1 (<= 0 |__getMemory_#res.offset|) (<= 0 |__getMemory_#res.base|)) (let ((.cse2 (not (= |__getMemory_#in~size| 8)))) (and (or .cse2 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse2 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (and (<= ~guard_malloc_counter~0.offset .cse3) .cse0 (<= .cse3 |__getMemory_#res.offset|) .cse1 (<= |__getMemory_#res.offset| .cse3)) (not (= ~elem~0.offset 0))))) [2021-02-23 18:06:31,015 INFO L185 CegarLoopUtils]: At program point __getMemoryFINAL(lines 520 527) the Hoare annotation is: (let ((.cse3 (+ |old(~guard_malloc_counter~0.offset)| 1))) (let ((.cse0 (<= .cse3 ~guard_malloc_counter~0.offset)) (.cse1 (= 8 __getMemory_~size))) (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (and (<= |__getMemory_#res.offset| 0) .cse0 (<= |__getMemory_#res.base| 0) .cse1 (<= 0 |__getMemory_#res.offset|) (<= 0 |__getMemory_#res.base|)) (let ((.cse2 (not (= |__getMemory_#in~size| 8)))) (and (or .cse2 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse2 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (and (<= ~guard_malloc_counter~0.offset .cse3) .cse0 (<= .cse3 |__getMemory_#res.offset|) .cse1 (<= |__getMemory_#res.offset| .cse3)) (not (= ~elem~0.offset 0))))) [2021-02-23 18:06:31,015 INFO L185 CegarLoopUtils]: At program point L526(line 526) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (+ |old(~guard_malloc_counter~0.offset)| 1))) (and (<= ~guard_malloc_counter~0.offset .cse0) (<= .cse0 ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) (let ((.cse1 (not (= |__getMemory_#in~size| 8)))) (and (or .cse1 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse1 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,015 INFO L185 CegarLoopUtils]: At program point L525(line 525) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0)) (and (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) [2021-02-23 18:06:31,015 INFO L185 CegarLoopUtils]: At program point L524(line 524) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (+ |old(~guard_malloc_counter~0.offset)| 1))) (and (<= ~guard_malloc_counter~0.offset .cse0) (<= .cse0 ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) (let ((.cse1 (not (= |__getMemory_#in~size| 8)))) (and (or .cse1 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse1 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,015 INFO L185 CegarLoopUtils]: At program point L523(line 523) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |__getMemory_#t~post9.offset| |old(~guard_malloc_counter~0.offset)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= 8 __getMemory_~size)) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,016 INFO L185 CegarLoopUtils]: At program point L524-1(lines 524 525) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (+ |old(~guard_malloc_counter~0.offset)| 1))) (and (<= ~guard_malloc_counter~0.offset .cse0) (<= .cse0 ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) (let ((.cse1 (not (= |__getMemory_#in~size| 8)))) (and (or .cse1 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse1 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,016 INFO L185 CegarLoopUtils]: At program point L522(line 522) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= 8 __getMemory_~size)) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,016 INFO L185 CegarLoopUtils]: At program point L523-1(line 523) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (let ((.cse1 (+ |old(~guard_malloc_counter~0.offset)| 1))) (and (= |__getMemory_#t~post9.offset| |old(~guard_malloc_counter~0.offset)|) (<= ~guard_malloc_counter~0.offset .cse1) (<= .cse1 ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,016 INFO L185 CegarLoopUtils]: At program point L524-2(line 524) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0)) (and (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) [2021-02-23 18:06:31,016 INFO L185 CegarLoopUtils]: At program point L524-3(line 524) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (+ |old(~guard_malloc_counter~0.offset)| 1))) (and (<= ~guard_malloc_counter~0.offset .cse0) (<= .cse0 ~guard_malloc_counter~0.offset) (= 8 __getMemory_~size))) (let ((.cse1 (not (= |__getMemory_#in~size| 8)))) (and (or .cse1 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse1 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,016 INFO L185 CegarLoopUtils]: At program point L522-2(line 522) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,017 INFO L185 CegarLoopUtils]: At program point L522-3(line 522) the Hoare annotation is: (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (let ((.cse0 (not (= |__getMemory_#in~size| 8)))) (and (or .cse0 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (or .cse0 (not (= |old(~guard_malloc_counter~0.offset)| 0))))) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= 8 __getMemory_~size)) (not (= ~elem~0.offset 0))) [2021-02-23 18:06:31,017 INFO L189 CegarLoopUtils]: For program point __uint32_identityFINAL(lines 181 185) no Hoare annotation was computed. [2021-02-23 18:06:31,017 INFO L189 CegarLoopUtils]: For program point __uint32_identityENTRY(lines 181 185) no Hoare annotation was computed. [2021-02-23 18:06:31,017 INFO L189 CegarLoopUtils]: For program point L184(line 184) no Hoare annotation was computed. [2021-02-23 18:06:31,017 INFO L189 CegarLoopUtils]: For program point __uint32_identityEXIT(lines 181 185) no Hoare annotation was computed. [2021-02-23 18:06:31,017 INFO L185 CegarLoopUtils]: At program point L529(line 529) the Hoare annotation is: (or (not (= |my_malloc_#in~size| 8)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= my_malloc_~size 8))) [2021-02-23 18:06:31,017 INFO L185 CegarLoopUtils]: At program point my_mallocFINAL(lines 528 530) the Hoare annotation is: (let ((.cse8 (+ |old(~guard_malloc_counter~0.offset)| 1)) (.cse11 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (.cse4 (not (= |old(~guard_malloc_counter~0.offset)| 0))) (.cse10 (not (= |my_malloc_#in~size| 8)))) (let ((.cse0 (<= 0 |my_malloc_#res.base|)) (.cse1 (<= |my_malloc_#res.base| 0)) (.cse2 (<= 0 |my_malloc_#res.offset|)) (.cse3 (<= |my_malloc_#res.offset| 0)) (.cse5 (and (or .cse11 .cse10) (or .cse4 .cse10))) (.cse9 (not (= ~elem~0.offset 0))) (.cse6 (<= ~guard_malloc_counter~0.offset .cse8)) (.cse7 (<= .cse8 |my_malloc_#res.offset|))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (and .cse6 .cse7 (<= |my_malloc_#res.offset| .cse8) (<= 1 ~guard_malloc_counter~0.offset)) .cse9) (or .cse10 (= my_malloc_~size 8)) (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) .cse11 (and (<= .cse8 ~guard_malloc_counter~0.offset) .cse0 .cse1 .cse2 .cse3) .cse5 .cse9 (and .cse6 (<= |my_malloc_#res.offset| ~guard_malloc_counter~0.offset) .cse7))))) [2021-02-23 18:06:31,018 INFO L185 CegarLoopUtils]: At program point L529-1(line 529) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (.cse10 (not (= |old(~guard_malloc_counter~0.offset)| 0))) (.cse9 (not (= |my_malloc_#in~size| 8))) (.cse4 (+ |old(~guard_malloc_counter~0.offset)| 1))) (let ((.cse0 (and (<= ~guard_malloc_counter~0.offset .cse4) (<= |my_malloc_#t~ret11.offset| ~guard_malloc_counter~0.offset) (<= .cse4 |my_malloc_#t~ret11.offset|))) (.cse2 (and (or .cse1 .cse9) (or .cse10 .cse9))) (.cse5 (<= 0 |my_malloc_#t~ret11.offset|)) (.cse6 (<= |my_malloc_#t~ret11.offset| 0)) (.cse7 (<= |my_malloc_#t~ret11.base| 0)) (.cse8 (<= 0 |my_malloc_#t~ret11.base|)) (.cse3 (not (= ~elem~0.offset 0)))) (and (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) .cse0 .cse1 .cse2 .cse3 (and (<= .cse4 ~guard_malloc_counter~0.offset) .cse5 .cse6 .cse7 .cse8)) (or .cse9 (= my_malloc_~size 8)) (or .cse0 .cse10 .cse2 (and .cse5 .cse6 .cse7 .cse8) .cse3)))) [2021-02-23 18:06:31,018 INFO L185 CegarLoopUtils]: At program point L529-2(line 529) the Hoare annotation is: (let ((.cse1 (+ |old(~guard_malloc_counter~0.offset)| 1)) (.cse10 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (.cse14 (not (= |old(~guard_malloc_counter~0.offset)| 0))) (.cse0 (not (= |my_malloc_#in~size| 8)))) (let ((.cse2 (<= 0 |my_malloc_#t~ret11.offset|)) (.cse3 (<= 0 |my_malloc_#res.base|)) (.cse4 (<= |my_malloc_#res.base| 0)) (.cse5 (<= 0 |my_malloc_#res.offset|)) (.cse6 (<= |my_malloc_#t~ret11.offset| 0)) (.cse7 (<= |my_malloc_#t~ret11.base| 0)) (.cse8 (<= |my_malloc_#res.offset| 0)) (.cse9 (<= 0 |my_malloc_#t~ret11.base|)) (.cse11 (and (or .cse10 .cse0) (or .cse14 .cse0))) (.cse12 (and (<= ~guard_malloc_counter~0.offset .cse1) (<= |my_malloc_#t~ret11.offset| ~guard_malloc_counter~0.offset) (<= |my_malloc_#res.offset| ~guard_malloc_counter~0.offset) (<= .cse1 |my_malloc_#res.offset|) (<= .cse1 |my_malloc_#t~ret11.offset|))) (.cse13 (not (= ~elem~0.offset 0)))) (and (or .cse0 (= my_malloc_~size 8)) (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) (and (<= .cse1 ~guard_malloc_counter~0.offset) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 .cse12 .cse13) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse14 .cse11 .cse12 .cse13)))) [2021-02-23 18:06:31,018 INFO L185 CegarLoopUtils]: At program point my_mallocENTRY(lines 528 530) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (= |my_malloc_#in~size| 8))) [2021-02-23 18:06:31,018 INFO L185 CegarLoopUtils]: At program point my_mallocEXIT(lines 528 530) the Hoare annotation is: (let ((.cse8 (+ |old(~guard_malloc_counter~0.offset)| 1)) (.cse11 (not (<= 1 |old(~guard_malloc_counter~0.offset)|))) (.cse4 (not (= |old(~guard_malloc_counter~0.offset)| 0))) (.cse10 (not (= |my_malloc_#in~size| 8)))) (let ((.cse0 (<= 0 |my_malloc_#res.base|)) (.cse1 (<= |my_malloc_#res.base| 0)) (.cse2 (<= 0 |my_malloc_#res.offset|)) (.cse3 (<= |my_malloc_#res.offset| 0)) (.cse5 (and (or .cse11 .cse10) (or .cse4 .cse10))) (.cse9 (not (= ~elem~0.offset 0))) (.cse6 (<= ~guard_malloc_counter~0.offset .cse8)) (.cse7 (<= .cse8 |my_malloc_#res.offset|))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (and .cse6 .cse7 (<= |my_malloc_#res.offset| .cse8) (<= 1 ~guard_malloc_counter~0.offset)) .cse9) (or .cse10 (= my_malloc_~size 8)) (or (not (<= |old(~guard_malloc_counter~0.offset)| 1)) .cse11 (and (<= .cse8 ~guard_malloc_counter~0.offset) .cse0 .cse1 .cse2 .cse3) .cse5 .cse9 (and .cse6 (<= |my_malloc_#res.offset| ~guard_malloc_counter~0.offset) .cse7))))) [2021-02-23 18:06:31,018 INFO L185 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L544(line 544) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L544-1(line 544) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point L544-2(line 544) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,019 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 544) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point L534(line 534) the Hoare annotation is: (and (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#head~0.base| |old(~#head~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= ~elem~0.base |old(~elem~0.base)|)) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point L542(line 542) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (and (= |old(~elem~0.base)| ~elem~0.base) (= list_del_~entry.base |list_del_#in~entry.base|) (= |old(~elem~0.offset)| ~elem~0.offset) (= |list_del_#in~entry.offset| list_del_~entry.offset))) [2021-02-23 18:06:31,020 INFO L185 CegarLoopUtils]: At program point L541(lines 541 542) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (and (= |old(~elem~0.base)| ~elem~0.base) (= list_del_~entry.base |list_del_#in~entry.base|) (= |old(~elem~0.offset)| ~elem~0.offset) (= |list_del_#in~entry.offset| list_del_~entry.offset))) [2021-02-23 18:06:31,021 INFO L185 CegarLoopUtils]: At program point L541-2(lines 540 543) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (= ~elem~0.offset 0) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2021-02-23 18:06:31,021 INFO L185 CegarLoopUtils]: At program point list_delEXIT(lines 540 543) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (= ~elem~0.offset 0) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2021-02-23 18:06:31,021 INFO L185 CegarLoopUtils]: At program point list_delENTRY(lines 540 543) the Hoare annotation is: (or (not (<= 1 ~guard_malloc_counter~0.offset)) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2021-02-23 18:06:31,021 INFO L185 CegarLoopUtils]: At program point list_addENTRY(lines 535 539) the Hoare annotation is: (let ((.cse0 (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) .cse0 (not (<= |list_add_#in~new.offset| 2))) (or (not (<= 1 ~guard_malloc_counter~0.offset)) (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) .cse0) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) .cse0))) [2021-02-23 18:06:31,021 INFO L185 CegarLoopUtils]: At program point L538(line 538) the Hoare annotation is: (let ((.cse4 (= |old(~elem~0.base)| ~elem~0.base)) (.cse5 (= |old(~elem~0.offset)| ~elem~0.offset))) (let ((.cse2 (= list_add_~new.base |list_add_#in~new.base|)) (.cse3 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse1 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse0 (and .cse4 .cse5))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) .cse0 (not (<= |list_add_#in~new.offset| 2))) (or .cse1 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse2 .cse3 .cse4 .cse5)) (or (and .cse2 .cse3) .cse1 (not (<= 1 |list_add_#in~new.offset|)) (not (= |old(~elem~0.offset)| 0))) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) .cse0)))) [2021-02-23 18:06:31,021 INFO L185 CegarLoopUtils]: At program point L537(lines 537 538) the Hoare annotation is: (let ((.cse4 (= |old(~elem~0.base)| ~elem~0.base)) (.cse5 (= |old(~elem~0.offset)| ~elem~0.offset))) (let ((.cse1 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse2 (= list_add_~new.base |list_add_#in~new.base|)) (.cse3 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse0 (and .cse4 .cse5))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) .cse0 (not (<= |list_add_#in~new.offset| 2))) (or .cse1 (and .cse2 .cse3) (not (<= 1 |list_add_#in~new.offset|)) (not (= |old(~elem~0.offset)| 0))) (or .cse1 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse2 .cse3 .cse4 .cse5)) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) .cse0)))) [2021-02-23 18:06:31,022 INFO L185 CegarLoopUtils]: At program point L536(line 536) the Hoare annotation is: (let ((.cse1 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse3 (= |old(~elem~0.base)| ~elem~0.base)) (.cse2 (= |old(~elem~0.offset)| ~elem~0.offset)) (.cse4 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse0 (= list_add_~new.base |list_add_#in~new.base|))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) (and .cse0 (= ~elem~0.base |list_add_#in~new.base|) .cse1 .cse2) (not (<= |list_add_#in~new.offset| 2))) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) (and .cse1 .cse3 .cse2)) (or .cse4 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse0 .cse1 .cse3 .cse2)) (or .cse4 .cse0 (not (<= 1 |list_add_#in~new.offset|)) (not (= |old(~elem~0.offset)| 0))))) [2021-02-23 18:06:31,022 INFO L185 CegarLoopUtils]: At program point L537-1(line 537) the Hoare annotation is: (let ((.cse4 (= |old(~elem~0.base)| ~elem~0.base)) (.cse5 (= |old(~elem~0.offset)| ~elem~0.offset))) (let ((.cse2 (= list_add_~new.base |list_add_#in~new.base|)) (.cse3 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse1 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse0 (and .cse4 .cse5))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) .cse0 (not (<= |list_add_#in~new.offset| 2))) (or .cse1 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse2 .cse3 .cse4 .cse5)) (or (and .cse2 .cse3) .cse1 (not (<= 1 |list_add_#in~new.offset|)) (not (= |old(~elem~0.offset)| 0))) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) .cse0)))) [2021-02-23 18:06:31,022 INFO L185 CegarLoopUtils]: At program point L535(lines 535 539) the Hoare annotation is: (let ((.cse1 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse3 (= |old(~elem~0.base)| ~elem~0.base)) (.cse2 (= |old(~elem~0.offset)| ~elem~0.offset)) (.cse4 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse0 (= list_add_~new.base |list_add_#in~new.base|))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) (and .cse0 (= ~elem~0.base |list_add_#in~new.base|) .cse1 .cse2) (not (<= |list_add_#in~new.offset| 2))) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) (and .cse1 .cse3 .cse2)) (or .cse4 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse0 .cse1 .cse3 .cse2)) (or .cse4 .cse0 (not (<= 1 |list_add_#in~new.offset|)) (not (= |old(~elem~0.offset)| 0))))) [2021-02-23 18:06:31,022 INFO L185 CegarLoopUtils]: At program point L536-2(line 536) the Hoare annotation is: (and (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) (or (not (<= 1 ~guard_malloc_counter~0.offset)) (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|))) (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) (not (<= |list_add_#in~new.offset| 2)))) [2021-02-23 18:06:31,023 INFO L185 CegarLoopUtils]: At program point L537-3(line 537) the Hoare annotation is: (let ((.cse5 (= |old(~elem~0.base)| ~elem~0.base)) (.cse6 (= |old(~elem~0.offset)| ~elem~0.offset))) (let ((.cse2 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse3 (= list_add_~new.base |list_add_#in~new.base|)) (.cse4 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse0 (not (<= 2 |list_add_#in~new.offset|))) (.cse1 (and .cse5 .cse6))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) .cse0 .cse1 (not (<= |list_add_#in~new.offset| 2))) (or .cse2 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse2 (and .cse3 .cse4) .cse0 (not (= |old(~elem~0.offset)| 0))) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) .cse1)))) [2021-02-23 18:06:31,023 INFO L185 CegarLoopUtils]: At program point L536-3(line 536) the Hoare annotation is: (let ((.cse4 (= |old(~elem~0.base)| ~elem~0.base)) (.cse5 (= |old(~elem~0.offset)| ~elem~0.offset))) (let ((.cse1 (not (<= 1 ~guard_malloc_counter~0.offset))) (.cse2 (= list_add_~new.base |list_add_#in~new.base|)) (.cse3 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse0 (and .cse4 .cse5))) (and (or (= |old(~elem~0.offset)| 2) (not (= |old(~elem~0.base)| |list_add_#in~new.base|)) (not (<= 2 |list_add_#in~new.offset|)) .cse0 (not (<= |list_add_#in~new.offset| 2))) (or .cse1 (and .cse2 .cse3) (not (<= 1 |list_add_#in~new.offset|)) (not (= |old(~elem~0.offset)| 0))) (or .cse1 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse2 .cse3 .cse4 .cse5)) (or (not (<= (+ |old(~elem~0.offset)| 1) |list_add_#in~new.offset|)) .cse0)))) [2021-02-23 18:06:31,023 INFO L185 CegarLoopUtils]: At program point L537-4(lines 535 539) the Hoare annotation is: (let ((.cse4 (= list_add_~new.base |list_add_#in~new.base|)) (.cse5 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse6 (<= 1 ~guard_malloc_counter~0.offset))) (let ((.cse2 (= |old(~elem~0.base)| ~elem~0.base)) (.cse3 (and .cse4 (= ~elem~0.base |list_add_#in~new.base|) (= ~elem~0.offset |list_add_#in~new.offset|) .cse5 .cse6)) (.cse0 (not .cse6)) (.cse1 (not (= |old(~elem~0.offset)| 0)))) (and (or .cse0 (not (<= 1 |list_add_#in~new.offset|)) .cse1 (and (= ~elem~0.offset 0) .cse2) .cse3) (or .cse0 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse4 .cse5 .cse2 (= |old(~elem~0.offset)| ~elem~0.offset)) .cse3) (or (and .cse4 .cse5) .cse0 (not (<= 2 |list_add_#in~new.offset|)) .cse1)))) [2021-02-23 18:06:31,023 INFO L185 CegarLoopUtils]: At program point list_addEXIT(lines 535 539) the Hoare annotation is: (let ((.cse4 (= list_add_~new.base |list_add_#in~new.base|)) (.cse5 (= |list_add_#in~new.offset| list_add_~new.offset)) (.cse6 (<= 1 ~guard_malloc_counter~0.offset))) (let ((.cse2 (= |old(~elem~0.base)| ~elem~0.base)) (.cse3 (and .cse4 (= ~elem~0.base |list_add_#in~new.base|) (= ~elem~0.offset |list_add_#in~new.offset|) .cse5 .cse6)) (.cse0 (not .cse6)) (.cse1 (not (= |old(~elem~0.offset)| 0)))) (and (or .cse0 (not (<= 1 |list_add_#in~new.offset|)) .cse1 (and (= ~elem~0.offset 0) .cse2) .cse3) (or .cse0 (not (<= (+ |list_add_#in~new.offset| 1) |old(~elem~0.offset)|)) (and .cse4 .cse5 .cse2 (= |old(~elem~0.offset)| ~elem~0.offset)) .cse3) (or (and .cse4 .cse5) .cse0 (not (<= 2 |list_add_#in~new.offset|)) .cse1)))) [2021-02-23 18:06:31,023 INFO L189 CegarLoopUtils]: For program point __uint16_identityENTRY(lines 176 180) no Hoare annotation was computed. [2021-02-23 18:06:31,023 INFO L189 CegarLoopUtils]: For program point __uint16_identityEXIT(lines 176 180) no Hoare annotation was computed. [2021-02-23 18:06:31,024 INFO L189 CegarLoopUtils]: For program point __uint16_identityFINAL(lines 176 180) no Hoare annotation was computed. [2021-02-23 18:06:31,024 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-02-23 18:06:31,024 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 18:06:31,024 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~guard_malloc_counter~0.offset 0)) [2021-02-23 18:06:31,024 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 18:06:31,024 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 18:06:31,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:06:31 BoogieIcfgContainer [2021-02-23 18:06:31,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 18:06:31,072 INFO L168 Benchmark]: Toolchain (without parser) took 25931.03 ms. Allocated memory was 172.0 MB in the beginning and 358.6 MB in the end (delta: 186.6 MB). Free memory was 145.7 MB in the beginning and 199.3 MB in the end (delta: -53.6 MB). Peak memory consumption was 213.0 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:31,073 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 172.0 MB. Free memory is still 144.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 18:06:31,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.85 ms. Allocated memory is still 172.0 MB. Free memory was 144.6 MB in the beginning and 122.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:31,075 INFO L168 Benchmark]: Boogie Preprocessor took 100.17 ms. Allocated memory is still 172.0 MB. Free memory was 122.6 MB in the beginning and 120.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:31,076 INFO L168 Benchmark]: RCFGBuilder took 747.65 ms. Allocated memory is still 172.0 MB. Free memory was 120.1 MB in the beginning and 110.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:31,076 INFO L168 Benchmark]: TraceAbstraction took 24310.99 ms. Allocated memory was 172.0 MB in the beginning and 358.6 MB in the end (delta: 186.6 MB). Free memory was 109.5 MB in the beginning and 199.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 177.2 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:31,077 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 172.0 MB. Free memory is still 144.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 743.85 ms. Allocated memory is still 172.0 MB. Free memory was 144.6 MB in the beginning and 122.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 100.17 ms. Allocated memory is still 172.0 MB. Free memory was 122.6 MB in the beginning and 120.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 747.65 ms. Allocated memory is still 172.0 MB. Free memory was 120.1 MB in the beginning and 110.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24310.99 ms. Allocated memory was 172.0 MB in the beginning and 358.6 MB in the end (delta: 186.6 MB). Free memory was 109.5 MB in the beginning and 199.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 177.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 545]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 520]: Procedure Contract for __getMemory Derived contract for procedure __getMemory: (((!(\old(guard_malloc_counter) <= 1) || (((((\result <= 0 && \old(guard_malloc_counter) + 1 <= guard_malloc_counter) && \result <= 0) && 8 == size) && 0 <= \result) && 0 <= \result)) || ((!(\old(size) == 8) || !(1 <= \old(guard_malloc_counter))) && (!(\old(size) == 8) || !(\old(guard_malloc_counter) == 0)))) || ((((guard_malloc_counter <= \old(guard_malloc_counter) + 1 && \old(guard_malloc_counter) + 1 <= guard_malloc_counter) && \old(guard_malloc_counter) + 1 <= \result) && 8 == size) && \result <= \old(guard_malloc_counter) + 1)) || !(elem == 0) - ProcedureContractResult [Line: 528]: Procedure Contract for my_malloc Derived contract for procedure my_malloc: ((((((((0 <= \result && \result <= 0) && 0 <= \result) && \result <= 0) || !(\old(guard_malloc_counter) == 0)) || ((!(1 <= \old(guard_malloc_counter)) || !(\old(size) == 8)) && (!(\old(guard_malloc_counter) == 0) || !(\old(size) == 8)))) || (((guard_malloc_counter <= \old(guard_malloc_counter) + 1 && \old(guard_malloc_counter) + 1 <= \result) && \result <= \old(guard_malloc_counter) + 1) && 1 <= guard_malloc_counter)) || !(elem == 0)) && (!(\old(size) == 8) || size == 8)) && (((((!(\old(guard_malloc_counter) <= 1) || !(1 <= \old(guard_malloc_counter))) || ((((\old(guard_malloc_counter) + 1 <= guard_malloc_counter && 0 <= \result) && \result <= 0) && 0 <= \result) && \result <= 0)) || ((!(1 <= \old(guard_malloc_counter)) || !(\old(size) == 8)) && (!(\old(guard_malloc_counter) == 0) || !(\old(size) == 8)))) || !(elem == 0)) || ((guard_malloc_counter <= \old(guard_malloc_counter) + 1 && \result <= guard_malloc_counter) && \old(guard_malloc_counter) + 1 <= \result)) - ProcedureContractResult [Line: 540]: Procedure Contract for list_del Derived contract for procedure list_del: (!(1 <= guard_malloc_counter) || elem == 0) || (\old(elem) == elem && \old(elem) == elem) - ProcedureContractResult [Line: 535]: Procedure Contract for list_add Derived contract for procedure list_add: (((((!(1 <= guard_malloc_counter) || !(1 <= new)) || !(\old(elem) == 0)) || (elem == 0 && \old(elem) == elem)) || ((((new == new && elem == new) && elem == new) && new == new) && 1 <= guard_malloc_counter)) && (((!(1 <= guard_malloc_counter) || !(new + 1 <= \old(elem))) || (((new == new && new == new) && \old(elem) == elem) && \old(elem) == elem)) || ((((new == new && elem == new) && elem == new) && new == new) && 1 <= guard_malloc_counter))) && ((((new == new && new == new) || !(1 <= guard_malloc_counter)) || !(2 <= new)) || !(\old(elem) == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 570 SDtfs, 908 SDslu, 2582 SDs, 0 SdLazy, 5942 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1452 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 44 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 379 PreInvPairs, 637 NumberOfFragments, 2907 HoareAnnotationTreeSize, 379 FomulaSimplifications, 27510 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 76 FomulaSimplificationsInter, 8318 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...