/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/array-examples/relax-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:10:31,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:10:31,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:10:31,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 23:10:31,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 23:10:31,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 23:10:31,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 23:10:31,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 23:10:31,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 23:10:31,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 23:10:31,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 23:10:31,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 23:10:31,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:10:31,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:10:31,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:10:31,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:10:31,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:10:31,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:10:31,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:10:31,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:10:31,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:10:31,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:10:31,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:10:31,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:10:31,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 23:10:31,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 23:10:31,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 23:10:31,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 23:10:31,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 23:10:31,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 23:10:31,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 23:10:31,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 23:10:31,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 23:10:31,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 23:10:31,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 23:10:31,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 23:10:31,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 23:10:31,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 23:10:31,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:10:31,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:10:31,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:10:31,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-01-31 23:10:31,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:10:31,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:10:31,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:10:31,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:10:31,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:10:31,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:10:31,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:10:31,835 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-01-31 23:10:31,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:10:32,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:10:32,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:10:32,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:10:32,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:10:32,071 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:10:32,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/relax-2.i [2022-01-31 23:10:32,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71d5db6a9/8c7665765d444b81b93fdebb97332a17/FLAG3590c3576 [2022-01-31 23:10:32,504 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:10:32,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/relax-2.i [2022-01-31 23:10:32,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71d5db6a9/8c7665765d444b81b93fdebb97332a17/FLAG3590c3576 [2022-01-31 23:10:32,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71d5db6a9/8c7665765d444b81b93fdebb97332a17 [2022-01-31 23:10:32,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:10:32,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:10:32,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:10:32,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:10:32,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:10:32,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:10:32" (1/1) ... [2022-01-31 23:10:32,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9ee88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:32, skipping insertion in model container [2022-01-31 23:10:32,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:10:32" (1/1) ... [2022-01-31 23:10:32,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:10:32,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:10:33,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/relax-2.i[980,993] [2022-01-31 23:10:33,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:10:33,126 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:10:33,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/relax-2.i[980,993] [2022-01-31 23:10:33,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:10:33,189 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:10:33,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33 WrapperNode [2022-01-31 23:10:33,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:10:33,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:10:33,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:10:33,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:10:33,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:10:33,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:10:33,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:10:33,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:10:33,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (1/1) ... [2022-01-31 23:10:33,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:10:33,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:10:33,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 23:10:33,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 23:10:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:10:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:10:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 23:10:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:10:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 23:10:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2022-01-31 23:10:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2022-01-31 23:10:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure is_relaxed_prefix [2022-01-31 23:10:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-01-31 23:10:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:10:33,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:10:33,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2022-01-31 23:10:33,309 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2022-01-31 23:10:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2022-01-31 23:10:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2022-01-31 23:10:33,310 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure select [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure random [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2022-01-31 23:10:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2022-01-31 23:10:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2022-01-31 23:10:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2022-01-31 23:10:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2022-01-31 23:10:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2022-01-31 23:10:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2022-01-31 23:10:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2022-01-31 23:10:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2022-01-31 23:10:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2022-01-31 23:10:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2022-01-31 23:10:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure system [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2022-01-31 23:10:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure div [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2022-01-31 23:10:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_relaxed_prefix [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:10:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:10:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 23:10:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:10:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:10:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:10:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:10:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:10:33,513 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:10:33,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:10:33,741 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:10:33,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:10:33,748 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-31 23:10:33,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:10:33 BoogieIcfgContainer [2022-01-31 23:10:33,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:10:33,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:10:33,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:10:33,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:10:33,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:10:32" (1/3) ... [2022-01-31 23:10:33,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1737209e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:10:33, skipping insertion in model container [2022-01-31 23:10:33,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:10:33" (2/3) ... [2022-01-31 23:10:33,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1737209e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:10:33, skipping insertion in model container [2022-01-31 23:10:33,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:10:33" (3/3) ... [2022-01-31 23:10:33,762 INFO L111 eAbstractionObserver]: Analyzing ICFG relax-2.i [2022-01-31 23:10:33,766 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:10:33,770 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:10:33,810 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:10:33,816 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-01-31 23:10:33,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:10:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 45 states have internal predecessors, (68), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-31 23:10:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 23:10:33,841 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:10:33,842 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:10:33,842 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:10:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:10:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash -852113428, now seen corresponding path program 1 times [2022-01-31 23:10:33,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:10:33,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612596673] [2022-01-31 23:10:33,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:10:33,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:10:33,907 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:10:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:10:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 23:10:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:10:34,095 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:10:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612596673] [2022-01-31 23:10:34,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [612596673] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:10:34,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:10:34,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 23:10:34,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745936107] [2022-01-31 23:10:34,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:10:34,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 23:10:34,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:10:34,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 23:10:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 23:10:34,127 INFO L87 Difference]: Start difference. First operand has 58 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 45 states have internal predecessors, (68), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 23:10:34,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:10:34,352 INFO L93 Difference]: Finished difference Result 111 states and 168 transitions. [2022-01-31 23:10:34,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 23:10:34,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-01-31 23:10:34,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:10:34,361 INFO L225 Difference]: With dead ends: 111 [2022-01-31 23:10:34,361 INFO L226 Difference]: Without dead ends: 56 [2022-01-31 23:10:34,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-31 23:10:34,367 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 59 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 23:10:34,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 85 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 23:10:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-01-31 23:10:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-01-31 23:10:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 6 states have call successors, (7) [2022-01-31 23:10:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 73 transitions. [2022-01-31 23:10:34,410 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 73 transitions. Word has length 19 [2022-01-31 23:10:34,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:10:34,411 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 73 transitions. [2022-01-31 23:10:34,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 23:10:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-01-31 23:10:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 23:10:34,413 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:10:34,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 23:10:34,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:10:34,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:10:34,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:10:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash -231440874, now seen corresponding path program 1 times [2022-01-31 23:10:34,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:10:34,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449984871] [2022-01-31 23:10:34,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:10:34,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:10:34,429 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:10:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:10:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 23:10:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:10:34,577 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:10:34,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449984871] [2022-01-31 23:10:34,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [449984871] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:10:34,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:10:34,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-31 23:10:34,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734109361] [2022-01-31 23:10:34,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:10:34,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-31 23:10:34,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:10:34,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-31 23:10:34,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-31 23:10:34,580 INFO L87 Difference]: Start difference. First operand 56 states and 73 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 23:10:34,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:10:34,833 INFO L93 Difference]: Finished difference Result 104 states and 137 transitions. [2022-01-31 23:10:34,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-31 23:10:34,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-01-31 23:10:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:10:34,837 INFO L225 Difference]: With dead ends: 104 [2022-01-31 23:10:34,837 INFO L226 Difference]: Without dead ends: 68 [2022-01-31 23:10:34,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-01-31 23:10:34,844 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 100 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:10:34,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 78 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:10:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-01-31 23:10:34,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2022-01-31 23:10:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.36) internal successors, (68), 51 states have internal predecessors, (68), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2022-01-31 23:10:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2022-01-31 23:10:34,869 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 21 [2022-01-31 23:10:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:10:34,870 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2022-01-31 23:10:34,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 23:10:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-01-31 23:10:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 23:10:34,871 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:10:34,871 INFO L514 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] [2022-01-31 23:10:34,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:10:34,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:10:34,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:10:34,872 INFO L85 PathProgramCache]: Analyzing trace with hash -471785876, now seen corresponding path program 1 times [2022-01-31 23:10:34,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:10:34,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016361669] [2022-01-31 23:10:34,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:10:34,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:10:34,877 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:10:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:10:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-01-31 23:10:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:10:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:10:35,004 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:10:35,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016361669] [2022-01-31 23:10:35,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1016361669] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:10:35,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:10:35,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-31 23:10:35,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332098859] [2022-01-31 23:10:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:10:35,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-31 23:10:35,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:10:35,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-31 23:10:35,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-31 23:10:35,018 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 23:10:35,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:10:35,245 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-01-31 23:10:35,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 23:10:35,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-01-31 23:10:35,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:10:35,248 INFO L225 Difference]: With dead ends: 82 [2022-01-31 23:10:35,248 INFO L226 Difference]: Without dead ends: 71 [2022-01-31 23:10:35,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-01-31 23:10:35,249 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 101 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-31 23:10:35,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 75 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-31 23:10:35,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-01-31 23:10:35,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2022-01-31 23:10:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 55 states have internal predecessors, (73), 9 states have call successors, (9), 5 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 7 states have call successors, (9) [2022-01-31 23:10:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2022-01-31 23:10:35,258 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 22 [2022-01-31 23:10:35,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:10:35,259 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2022-01-31 23:10:35,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 23:10:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-01-31 23:10:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-31 23:10:35,259 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:10:35,259 INFO L514 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] [2022-01-31 23:10:35,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 23:10:35,260 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:10:35,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:10:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1324419852, now seen corresponding path program 1 times [2022-01-31 23:10:35,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:10:35,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464304155] [2022-01-31 23:10:35,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:10:35,271 ERROR L252 FreeRefinementEngine]: Caught unknown exception: Undeclared function symbol (select Real Int) [2022-01-31 23:10:35,271 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2022-01-31 23:10:35,272 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (select Real Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:505) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:426) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:249) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:249) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.select(SmtUtils.java:1520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1374) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.convertApplicationTerm(SmtUtils.java:1363) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.convertApplicationTerm(Substitution.java:53) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.getUpdates(QvasrAbstractor.java:1229) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.computeAbstraction(QvasrAbstractor.java:106) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrSummarizer.summarizeLoop(QvasrSummarizer.java:133) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrLoopSummarization.getQvasrAcceleration(QvasrLoopSummarization.java:79) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorQvasr.accelerateLoop(AcceleratorQvasr.java:87) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:210) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-01-31 23:10:35,274 INFO L158 Benchmark]: Toolchain (without parser) took 2408.14ms. Allocated memory was 187.7MB in the beginning and 281.0MB in the end (delta: 93.3MB). Free memory was 133.7MB in the beginning and 229.2MB in the end (delta: -95.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:10:35,275 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:10:35,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.17ms. Allocated memory was 187.7MB in the beginning and 281.0MB in the end (delta: 93.3MB). Free memory was 133.5MB in the beginning and 246.0MB in the end (delta: -112.5MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-01-31 23:10:35,275 INFO L158 Benchmark]: Boogie Preprocessor took 50.02ms. Allocated memory is still 281.0MB. Free memory was 246.0MB in the beginning and 243.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 23:10:35,275 INFO L158 Benchmark]: RCFGBuilder took 509.32ms. Allocated memory is still 281.0MB. Free memory was 243.4MB in the beginning and 220.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-31 23:10:35,275 INFO L158 Benchmark]: TraceAbstraction took 1521.45ms. Allocated memory is still 281.0MB. Free memory was 219.8MB in the beginning and 229.2MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:10:35,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 310.17ms. Allocated memory was 187.7MB in the beginning and 281.0MB in the end (delta: 93.3MB). Free memory was 133.5MB in the beginning and 246.0MB in the end (delta: -112.5MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.02ms. Allocated memory is still 281.0MB. Free memory was 246.0MB in the beginning and 243.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 509.32ms. Allocated memory is still 281.0MB. Free memory was 243.4MB in the beginning and 220.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1521.45ms. Allocated memory is still 281.0MB. Free memory was 219.8MB in the beginning and 229.2MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (select Real Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (select Real Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-01-31 23:10:35,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...