/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:20:41,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:20:41,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:20:41,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:20:41,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:20:41,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:20:41,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:20:41,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:20:41,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:20:41,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:20:41,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:20:41,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:20:41,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:20:41,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:20:41,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:20:41,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:20:41,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:20:41,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:20:41,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:20:41,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:20:41,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:20:41,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:20:41,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:20:41,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:20:41,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 05:20:41,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:20:41,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:20:41,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:20:41,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:20:41,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:20:41,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:20:41,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:20:41,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:20:41,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:20:41,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:20:41,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:20:41,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:20:41,760 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:20:41,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:20:41,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:20:41,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:20:41,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:20:41,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:20:41,763 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:20:41,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:20:41,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:20:41,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:20:41,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:20:41,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:20:41,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:20:41,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:20:41,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:20:41,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:20:41,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:20:41,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:20:41,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:20:41,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:20:41,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:20:41,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:20:41,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:20:41,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:20:41,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:20:41,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:20:41,768 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:20:41,768 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:20:42,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:20:42,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:20:42,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:20:42,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:20:42,037 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:20:42,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-2.c [2022-01-11 05:20:42,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50e7c1435/51b7b1be5990409188e1e3ca876d15b0/FLAGc0fbe82a3 [2022-01-11 05:20:42,472 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:20:42,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c [2022-01-11 05:20:42,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50e7c1435/51b7b1be5990409188e1e3ca876d15b0/FLAGc0fbe82a3 [2022-01-11 05:20:42,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50e7c1435/51b7b1be5990409188e1e3ca876d15b0 [2022-01-11 05:20:42,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:20:42,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:20:42,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:20:42,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:20:42,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:20:42,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2f6c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42, skipping insertion in model container [2022-01-11 05:20:42,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:20:42,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:20:42,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c[560,573] [2022-01-11 05:20:42,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:20:42,674 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:20:42,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c[560,573] [2022-01-11 05:20:42,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:20:42,725 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:20:42,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42 WrapperNode [2022-01-11 05:20:42,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:20:42,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:20:42,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:20:42,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:20:42,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,759 INFO L137 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2022-01-11 05:20:42,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:20:42,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:20:42,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:20:42,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:20:42,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:20:42,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:20:42,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:20:42,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:20:42,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (1/1) ... [2022-01-11 05:20:42,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:20:42,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:20:42,824 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) [2022-01-11 05:20:42,832 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 [2022-01-11 05:20:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-11 05:20:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-11 05:20:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:20:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:20:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-11 05:20:42,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-11 05:20:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:20:42,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:20:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 05:20:42,930 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:20:42,931 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:20:43,029 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:20:43,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:20:43,034 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-11 05:20:43,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:20:43 BoogieIcfgContainer [2022-01-11 05:20:43,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:20:43,036 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:20:43,037 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:20:43,038 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:20:43,040 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:20:43" (1/1) ... [2022-01-11 05:20:43,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:20:43 BasicIcfg [2022-01-11 05:20:43,098 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:20:43,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:20:43,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:20:43,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:20:43,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:20:42" (1/4) ... [2022-01-11 05:20:43,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71520a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:20:43, skipping insertion in model container [2022-01-11 05:20:43,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:20:42" (2/4) ... [2022-01-11 05:20:43,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71520a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:20:43, skipping insertion in model container [2022-01-11 05:20:43,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:20:43" (3/4) ... [2022-01-11 05:20:43,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71520a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:20:43, skipping insertion in model container [2022-01-11 05:20:43,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:20:43" (4/4) ... [2022-01-11 05:20:43,110 INFO L111 eAbstractionObserver]: Analyzing ICFG test30-2.cTransformedIcfg [2022-01-11 05:20:43,134 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:20:43,135 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 05:20:43,190 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:20:43,195 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=FAST_UPR [2022-01-11 05:20:43,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 05:20:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:20:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-11 05:20:43,212 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:20:43,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-11 05:20:43,213 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 05:20:43,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:20:43,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1420992005, now seen corresponding path program 1 times [2022-01-11 05:20:43,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:20:43,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882903795] [2022-01-11 05:20:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:20:43,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:20:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:20:43,509 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 05:20:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 05:20:43,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 05:20:43,631 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 05:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 05:20:43,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:20:43,638 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-11 05:20:43,641 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 05:20:43,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:20:43 BasicIcfg [2022-01-11 05:20:43,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 05:20:43,694 INFO L158 Benchmark]: Toolchain (without parser) took 1195.88ms. Allocated memory was 178.3MB in the beginning and 231.7MB in the end (delta: 53.5MB). Free memory was 121.0MB in the beginning and 160.2MB in the end (delta: -39.2MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,695 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 178.3MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 05:20:43,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.73ms. Allocated memory was 178.3MB in the beginning and 231.7MB in the end (delta: 53.5MB). Free memory was 120.8MB in the beginning and 205.3MB in the end (delta: -84.5MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 231.7MB. Free memory was 205.3MB in the beginning and 203.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,696 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 231.7MB. Free memory was 203.7MB in the beginning and 202.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,697 INFO L158 Benchmark]: RCFGBuilder took 245.44ms. Allocated memory is still 231.7MB. Free memory was 202.1MB in the beginning and 191.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,697 INFO L158 Benchmark]: IcfgTransformer took 61.53ms. Allocated memory is still 231.7MB. Free memory was 191.7MB in the beginning and 188.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,698 INFO L158 Benchmark]: TraceAbstraction took 588.45ms. Allocated memory is still 231.7MB. Free memory was 187.5MB in the beginning and 160.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-11 05:20:43,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 178.3MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 226.73ms. Allocated memory was 178.3MB in the beginning and 231.7MB in the end (delta: 53.5MB). Free memory was 120.8MB in the beginning and 205.3MB in the end (delta: -84.5MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.31ms. Allocated memory is still 231.7MB. Free memory was 205.3MB in the beginning and 203.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 231.7MB. Free memory was 203.7MB in the beginning and 202.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 245.44ms. Allocated memory is still 231.7MB. Free memory was 202.1MB in the beginning and 191.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 61.53ms. Allocated memory is still 231.7MB. Free memory was 191.7MB in the beginning and 188.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 588.45ms. Allocated memory is still 231.7MB. Free memory was 187.5MB in the beginning and 160.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 33]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5] int a = 1, b; [L7-L9] struct dummy { int *a, *b; } global = {&a, &b}; VAL [a={-4:0}, b={-3:0}, global={-2:0}] [L23] struct dummy *pd = &global; [L25] CALL assign2(&pd->a, &pd->b) [L18] EXPR \read(**pb) [L18] EXPR \read(**pb) [L18] CALL assign(*pb, *pb) [L13] EXPR \read(*pb) [L13] *pa = *pb [L18] RET assign(*pb, *pb) [L25] RET assign2(&pd->a, &pd->b) [L27] EXPR \read(a) [L27] EXPR \read(b) VAL [\read(a)=-1, \read(b)=0, a={-4:0}, b={-3:0}, global={-2:0}, pd={-2:0}] [L27] COND TRUE a != b [L33] reach_error() VAL [a={-4:0}, b={-3:0}, global={-2:0}, pd={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-01-11 05:20:43,739 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...