./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 816de43cb6e982d6a1f876f61d346a36add599ac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:35:38,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:35:38,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:35:38,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:35:38,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:35:38,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:35:38,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:35:38,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:35:38,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:35:38,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:35:38,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:35:38,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:35:38,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:35:38,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:35:38,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:35:38,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:35:38,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:35:38,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:35:38,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:35:38,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:35:38,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:35:38,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:35:38,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:35:38,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:35:38,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:35:38,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:35:38,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:35:38,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:35:38,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:35:38,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:35:38,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:35:38,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:35:38,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:35:38,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:35:38,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:35:38,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:35:38,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:35:38,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:35:38,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:35:38,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:35:38,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:35:38,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-26 03:35:38,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:35:38,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:35:38,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:35:38,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:35:38,755 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:35:38,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:35:38,755 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:35:38,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:35:38,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:35:38,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:35:38,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:35:38,758 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:35:38,758 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:35:38,759 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:35:38,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:35:38,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:35:38,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:35:38,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:35:38,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:35:38,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:35:38,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:35:38,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:35:38,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:35:38,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:35:38,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:35:38,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:35:38,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:35:38,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:35:38,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 816de43cb6e982d6a1f876f61d346a36add599ac [2020-10-26 03:35:39,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:35:39,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:35:39,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:35:39,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:35:39,232 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:35:39,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2020-10-26 03:35:39,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c09e20a9/264a2ab77fd9428a987f1339d5cf2911/FLAGcdf83ee51 [2020-10-26 03:35:40,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:35:40,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2020-10-26 03:35:40,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c09e20a9/264a2ab77fd9428a987f1339d5cf2911/FLAGcdf83ee51 [2020-10-26 03:35:40,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c09e20a9/264a2ab77fd9428a987f1339d5cf2911 [2020-10-26 03:35:40,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:35:40,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:35:40,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:35:40,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:35:40,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:35:40,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:35:40" (1/1) ... [2020-10-26 03:35:40,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c29079d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:40, skipping insertion in model container [2020-10-26 03:35:40,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:35:40" (1/1) ... [2020-10-26 03:35:40,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:35:40,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:35:40,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:35:40,866 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:35:40,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:35:41,001 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:35:41,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41 WrapperNode [2020-10-26 03:35:41,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:35:41,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:35:41,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:35:41,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:35:41,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (1/1) ... [2020-10-26 03:35:41,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:35:41,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:35:41,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:35:41,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:35:41,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (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 [2020-10-26 03:35:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:35:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:35:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 03:35:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-26 03:35:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-26 03:35:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-26 03:35:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-26 03:35:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-26 03:35:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:35:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:35:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 03:35:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-26 03:35:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-26 03:35:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 03:35:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:35:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-26 03:35:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-26 03:35:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-26 03:35:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-26 03:35:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-26 03:35:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-26 03:35:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-26 03:35:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-26 03:35:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-26 03:35:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-26 03:35:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-26 03:35:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-26 03:35:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-26 03:35:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-26 03:35:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-26 03:35:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-26 03:35:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-26 03:35:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-26 03:35:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-26 03:35:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-26 03:35:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-26 03:35:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-26 03:35:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-26 03:35:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-26 03:35:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-26 03:35:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-26 03:35:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-26 03:35:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-26 03:35:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-26 03:35:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-26 03:35:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-26 03:35:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-26 03:35:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-26 03:35:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-26 03:35:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-26 03:35:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-26 03:35:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-26 03:35:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-26 03:35:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-26 03:35:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-26 03:35:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-26 03:35:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-26 03:35:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-26 03:35:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-26 03:35:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-26 03:35:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-26 03:35:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-26 03:35:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-26 03:35:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-26 03:35:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-26 03:35:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-26 03:35:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-26 03:35:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-26 03:35:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-26 03:35:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-26 03:35:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-26 03:35:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-26 03:35:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-26 03:35:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-26 03:35:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-26 03:35:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-26 03:35:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-26 03:35:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-26 03:35:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-26 03:35:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-26 03:35:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-26 03:35:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 03:35:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-26 03:35:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-26 03:35:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-26 03:35:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-26 03:35:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-26 03:35:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-26 03:35:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-26 03:35:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-26 03:35:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-26 03:35:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-26 03:35:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-26 03:35:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-26 03:35:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-26 03:35:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-26 03:35:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-26 03:35:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-26 03:35:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-26 03:35:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-26 03:35:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-26 03:35:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-26 03:35:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-26 03:35:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-26 03:35:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-26 03:35:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-26 03:35:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-26 03:35:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-26 03:35:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-26 03:35:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-26 03:35:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-26 03:35:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-26 03:35:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-26 03:35:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-26 03:35:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-26 03:35:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-26 03:35:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-26 03:35:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-26 03:35:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-26 03:35:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-26 03:35:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-26 03:35:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 03:35:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:35:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 03:35:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 03:35:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-26 03:35:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 03:35:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 03:35:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:35:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:35:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 03:35:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:35:42,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:35:42,082 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-26 03:35:42,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:35:42 BoogieIcfgContainer [2020-10-26 03:35:42,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:35:42,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:35:42,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:35:42,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:35:42,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:35:40" (1/3) ... [2020-10-26 03:35:42,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7c7ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:35:42, skipping insertion in model container [2020-10-26 03:35:42,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:35:41" (2/3) ... [2020-10-26 03:35:42,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7c7ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:35:42, skipping insertion in model container [2020-10-26 03:35:42,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:35:42" (3/3) ... [2020-10-26 03:35:42,108 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158_1-3.i [2020-10-26 03:35:42,121 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:35:42,127 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 22 error locations. [2020-10-26 03:35:42,143 INFO L253 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-10-26 03:35:42,167 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:35:42,167 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:35:42,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:35:42,167 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:35:42,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:35:42,168 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:35:42,168 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:35:42,168 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:35:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-26 03:35:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:35:42,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:42,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:42,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:42,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:42,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1742406932, now seen corresponding path program 1 times [2020-10-26 03:35:42,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:42,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094034074] [2020-10-26 03:35:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:42,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:42,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094034074] [2020-10-26 03:35:42,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:42,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:35:42,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166663954] [2020-10-26 03:35:42,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:35:42,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:42,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:35:42,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:35:42,558 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2020-10-26 03:35:42,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:42,784 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-26 03:35:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:35:42,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:35:42,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:42,796 INFO L225 Difference]: With dead ends: 40 [2020-10-26 03:35:42,796 INFO L226 Difference]: Without dead ends: 37 [2020-10-26 03:35:42,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:35:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-26 03:35:42,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-26 03:35:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-26 03:35:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-10-26 03:35:42,848 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 7 [2020-10-26 03:35:42,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:42,848 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-10-26 03:35:42,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:35:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-10-26 03:35:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:35:42,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:42,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:42,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 03:35:42,850 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:42,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1742406931, now seen corresponding path program 1 times [2020-10-26 03:35:42,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:42,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972247149] [2020-10-26 03:35:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:42,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:42,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972247149] [2020-10-26 03:35:42,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:42,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:35:42,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088434581] [2020-10-26 03:35:42,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:35:42,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:42,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:35:42,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:35:42,971 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 4 states. [2020-10-26 03:35:43,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:43,112 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2020-10-26 03:35:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:35:43,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:35:43,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:43,114 INFO L225 Difference]: With dead ends: 30 [2020-10-26 03:35:43,115 INFO L226 Difference]: Without dead ends: 30 [2020-10-26 03:35:43,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:35:43,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-26 03:35:43,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-26 03:35:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-26 03:35:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-26 03:35:43,121 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 7 [2020-10-26 03:35:43,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:43,121 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-26 03:35:43,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:35:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-26 03:35:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 03:35:43,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:43,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:43,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 03:35:43,123 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:43,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:43,124 INFO L82 PathProgramCache]: Analyzing trace with hash -689389540, now seen corresponding path program 1 times [2020-10-26 03:35:43,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:43,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717683444] [2020-10-26 03:35:43,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:43,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:43,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717683444] [2020-10-26 03:35:43,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:43,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:35:43,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624311033] [2020-10-26 03:35:43,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:35:43,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:43,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:35:43,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:35:43,314 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 6 states. [2020-10-26 03:35:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:43,511 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2020-10-26 03:35:43,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 03:35:43,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-26 03:35:43,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:43,513 INFO L225 Difference]: With dead ends: 29 [2020-10-26 03:35:43,513 INFO L226 Difference]: Without dead ends: 29 [2020-10-26 03:35:43,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-26 03:35:43,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-26 03:35:43,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-26 03:35:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-26 03:35:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-10-26 03:35:43,521 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 15 [2020-10-26 03:35:43,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:43,521 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-10-26 03:35:43,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:35:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-10-26 03:35:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-26 03:35:43,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:43,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:43,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 03:35:43,523 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:43,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:43,524 INFO L82 PathProgramCache]: Analyzing trace with hash 103760825, now seen corresponding path program 1 times [2020-10-26 03:35:43,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:43,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720691867] [2020-10-26 03:35:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:43,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:43,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720691867] [2020-10-26 03:35:43,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:43,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:35:43,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099618189] [2020-10-26 03:35:43,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:35:43,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:43,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:35:43,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:35:43,722 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 6 states. [2020-10-26 03:35:43,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:43,899 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-26 03:35:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 03:35:43,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-26 03:35:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:43,900 INFO L225 Difference]: With dead ends: 28 [2020-10-26 03:35:43,901 INFO L226 Difference]: Without dead ends: 28 [2020-10-26 03:35:43,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-26 03:35:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-26 03:35:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-26 03:35:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-26 03:35:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-10-26 03:35:43,906 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 16 [2020-10-26 03:35:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:43,906 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-10-26 03:35:43,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:35:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-10-26 03:35:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-26 03:35:43,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:43,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:43,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 03:35:43,908 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:43,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:43,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1078381634, now seen corresponding path program 1 times [2020-10-26 03:35:43,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:43,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873066624] [2020-10-26 03:35:43,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:44,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:44,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873066624] [2020-10-26 03:35:44,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:44,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:35:44,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771746594] [2020-10-26 03:35:44,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:35:44,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:44,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:35:44,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:35:44,037 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 6 states. [2020-10-26 03:35:44,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:44,203 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2020-10-26 03:35:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 03:35:44,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-26 03:35:44,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:44,205 INFO L225 Difference]: With dead ends: 27 [2020-10-26 03:35:44,205 INFO L226 Difference]: Without dead ends: 27 [2020-10-26 03:35:44,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-26 03:35:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-26 03:35:44,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-26 03:35:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-26 03:35:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-26 03:35:44,210 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 17 [2020-10-26 03:35:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:44,211 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-26 03:35:44,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:35:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-26 03:35:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-26 03:35:44,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:44,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:44,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 03:35:44,213 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:44,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:44,213 INFO L82 PathProgramCache]: Analyzing trace with hash 929907803, now seen corresponding path program 1 times [2020-10-26 03:35:44,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:44,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761000944] [2020-10-26 03:35:44,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:44,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:44,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761000944] [2020-10-26 03:35:44,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:44,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 03:35:44,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173917914] [2020-10-26 03:35:44,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 03:35:44,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:44,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 03:35:44,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-26 03:35:44,337 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 7 states. [2020-10-26 03:35:44,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:44,451 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-10-26 03:35:44,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 03:35:44,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-26 03:35:44,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:44,453 INFO L225 Difference]: With dead ends: 26 [2020-10-26 03:35:44,453 INFO L226 Difference]: Without dead ends: 26 [2020-10-26 03:35:44,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-26 03:35:44,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-26 03:35:44,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-26 03:35:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-26 03:35:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-26 03:35:44,458 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2020-10-26 03:35:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:44,459 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-26 03:35:44,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 03:35:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-26 03:35:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-26 03:35:44,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:44,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:35:44,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 03:35:44,461 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1237629088, now seen corresponding path program 1 times [2020-10-26 03:35:44,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:44,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213910775] [2020-10-26 03:35:44,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:44,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:35:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:35:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:35:44,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213910775] [2020-10-26 03:35:44,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:35:44,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 03:35:44,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725768796] [2020-10-26 03:35:44,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 03:35:44,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:35:44,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 03:35:44,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-26 03:35:44,607 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 7 states. [2020-10-26 03:35:44,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:35:44,741 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-10-26 03:35:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 03:35:44,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-26 03:35:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:35:44,742 INFO L225 Difference]: With dead ends: 25 [2020-10-26 03:35:44,743 INFO L226 Difference]: Without dead ends: 25 [2020-10-26 03:35:44,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-26 03:35:44,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-26 03:35:44,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-26 03:35:44,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-26 03:35:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-10-26 03:35:44,755 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 19 [2020-10-26 03:35:44,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:35:44,755 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-10-26 03:35:44,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 03:35:44,755 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-10-26 03:35:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-26 03:35:44,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:35:44,756 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] [2020-10-26 03:35:44,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 03:35:44,757 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]=== [2020-10-26 03:35:44,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:35:44,760 INFO L82 PathProgramCache]: Analyzing trace with hash 288204029, now seen corresponding path program 1 times [2020-10-26 03:35:44,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:35:44,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969041355] [2020-10-26 03:35:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:35:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:35:44,812 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:35:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:35:44,842 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:35:44,879 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 03:35:44,879 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:35:44,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 03:35:44,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:35:44 BoogieIcfgContainer [2020-10-26 03:35:44,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:35:44,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:35:44,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:35:44,941 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:35:44,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:35:42" (3/4) ... [2020-10-26 03:35:44,944 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-26 03:35:45,002 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 03:35:45,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:35:45,005 INFO L168 Benchmark]: Toolchain (without parser) took 4582.57 ms. Allocated memory was 48.2 MB in the beginning and 75.5 MB in the end (delta: 27.3 MB). Free memory was 23.2 MB in the beginning and 52.4 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:35:45,006 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 48.2 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:35:45,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.41 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 22.6 MB in the beginning and 37.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-26 03:35:45,008 INFO L168 Benchmark]: Boogie Preprocessor took 70.10 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 35.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 03:35:45,009 INFO L168 Benchmark]: RCFGBuilder took 1023.20 ms. Allocated memory is still 62.9 MB. Free memory was 34.7 MB in the beginning and 43.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 03:35:45,010 INFO L168 Benchmark]: TraceAbstraction took 2840.35 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 43.6 MB in the beginning and 54.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2020-10-26 03:35:45,011 INFO L168 Benchmark]: Witness Printer took 62.06 ms. Allocated memory is still 75.5 MB. Free memory was 54.5 MB in the beginning and 52.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:35:45,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 48.2 MB. Free memory is still 30.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 566.41 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 22.6 MB in the beginning and 37.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.10 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 35.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1023.20 ms. Allocated memory is still 62.9 MB. Free memory was 34.7 MB in the beginning and 43.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2840.35 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 43.6 MB in the beginning and 54.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Witness Printer took 62.06 ms. Allocated memory is still 75.5 MB. Free memory was 54.5 MB in the beginning and 52.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L526-L533] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L534] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={-1:0}] [L535] EXPR data.p0 VAL [data={3:0}, data.p0={-1:0}, malloc(37U)={-1:0}] [L535] void *ptr = data.p0; [L536] COND FALSE !(__VERIFIER_nondet_int()) [L539] data.str.p2 = 30 VAL [data={3:0}, malloc(37U)={-1:0}, ptr={-1:0}] [L541] EXPR data.str.p2 VAL [data={3:0}, data.str.p2=30, malloc(37U)={-1:0}, ptr={-1:0}] [L541] COND FALSE !(25 > data.str.p2) [L544] EXPR data.p0 VAL [data={3:0}, data.p0={-1:0}, malloc(37U)={-1:0}, ptr={-1:0}] [L544] free(data.p0) VAL [data={3:0}, data.p0={-1:0}, malloc(37U)={-1:0}, ptr={-1:0}] [L544] free(data.p0) VAL [data={3:0}, data.p0={-1:0}, malloc(37U)={-1:0}, ptr={-1:0}] [L544] free(data.p0) [L545] free(ptr) VAL [data={3:0}, malloc(37U)={-1:0}, ptr={-1:0}] [L545] free(ptr) VAL [data={3:0}, malloc(37U)={-1:0}, ptr={-1:0}] [L545] free(ptr) VAL [data={3:0}, malloc(37U)={-1:0}, ptr={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 67 locations, 22 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 121 SDtfs, 201 SDslu, 159 SDs, 0 SdLazy, 374 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 7942 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 incorrect! Received shutdown request...