/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_BITWISE.epf -i ../../../trunk/examples/svcomp/array-fpi/s4lif.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:59:15,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:59:15,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:59:15,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 09:59:15,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 09:59:15,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 09:59:15,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 09:59:15,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 09:59:15,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 09:59:15,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 09:59:15,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 09:59:15,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 09:59:15,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:59:15,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:59:15,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:59:15,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:59:15,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:59:15,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:59:15,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:59:15,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:59:15,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:59:15,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:59:15,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:59:15,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:59:15,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 09:59:15,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 09:59:15,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 09:59:15,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 09:59:15,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 09:59:15,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 09:59:15,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 09:59:15,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 09:59:15,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 09:59:15,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 09:59:15,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 09:59:15,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 09:59:15,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 09:59:15,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 09:59:15,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:59:15,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:59:15,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:59:15,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 09:59:15,952 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:59:15,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:59:15,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:59:15,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:59:15,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:59:15,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:59:15,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:59:15,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:59:15,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:59:15,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:59:15,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:59:15,965 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:59:15,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:59:15,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:59:15,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:59:15,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:59:15,966 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:59:15,966 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:59:16,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:59:16,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:59:16,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:59:16,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:59:16,144 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:59:16,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s4lif.c [2022-01-10 09:59:16,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2a4ffd/495ef7f0b4ec44289906a4e66dcb07fc/FLAG32286ffc2 [2022-01-10 09:59:16,504 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:59:16,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s4lif.c [2022-01-10 09:59:16,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2a4ffd/495ef7f0b4ec44289906a4e66dcb07fc/FLAG32286ffc2 [2022-01-10 09:59:16,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2a4ffd/495ef7f0b4ec44289906a4e66dcb07fc [2022-01-10 09:59:16,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:59:16,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:59:16,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:59:16,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:59:16,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:59:16,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:59:16" (1/1) ... [2022-01-10 09:59:16,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4772882d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:16, skipping insertion in model container [2022-01-10 09:59:16,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:59:16" (1/1) ... [2022-01-10 09:59:16,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:59:16,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:59:17,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s4lif.c[588,601] [2022-01-10 09:59:17,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:59:17,113 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:59:17,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s4lif.c[588,601] [2022-01-10 09:59:17,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:59:17,137 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:59:17,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17 WrapperNode [2022-01-10 09:59:17,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:59:17,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:59:17,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:59:17,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:59:17,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,160 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-01-10 09:59:17,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:59:17,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:59:17,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:59:17,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:59:17,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:59:17,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:59:17,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:59:17,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:59:17,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:59:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:59:17,205 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) [2022-01-10 09:59:17,208 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 [2022-01-10 09:59:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:59:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:59:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:59:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 09:59:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 09:59:17,278 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:59:17,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:59:17,422 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:59:17,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:59:17,426 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-10 09:59:17,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:59:17 BoogieIcfgContainer [2022-01-10 09:59:17,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:59:17,428 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:59:17,428 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:59:17,429 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:59:17,431 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:59:17" (1/1) ... [2022-01-10 09:59:17,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:59:17 BasicIcfg [2022-01-10 09:59:17,532 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:59:17,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:59:17,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:59:17,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:59:17,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:59:16" (1/4) ... [2022-01-10 09:59:17,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560fd3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:59:17, skipping insertion in model container [2022-01-10 09:59:17,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:59:17" (2/4) ... [2022-01-10 09:59:17,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560fd3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:59:17, skipping insertion in model container [2022-01-10 09:59:17,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:59:17" (3/4) ... [2022-01-10 09:59:17,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560fd3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:59:17, skipping insertion in model container [2022-01-10 09:59:17,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:59:17" (4/4) ... [2022-01-10 09:59:17,537 INFO L111 eAbstractionObserver]: Analyzing ICFG s4lif.cTransformedIcfg [2022-01-10 09:59:17,541 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:59:17,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 09:59:17,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:59:17,587 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 [2022-01-10 09:59:17,587 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 09:59:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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) [2022-01-10 09:59:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 09:59:17,599 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:59:17,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:59:17,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:59:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:59:17,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2131581242, now seen corresponding path program 1 times [2022-01-10 09:59:17,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:59:17,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905879491] [2022-01-10 09:59:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:59:17,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:59:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:59:17,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:59:17,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:59:17,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905879491] [2022-01-10 09:59:17,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905879491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:59:17,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:59:17,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:59:17,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448271612] [2022-01-10 09:59:17,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:59:17,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:59:17,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:59:17,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:59:17,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:59:17,743 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 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) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-01-10 09:59:17,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:59:17,752 INFO L93 Difference]: Finished difference Result 40 states and 56 transitions. [2022-01-10 09:59:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:59:17,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) Word has length 13 [2022-01-10 09:59:17,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:59:17,758 INFO L225 Difference]: With dead ends: 40 [2022-01-10 09:59:17,758 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 09:59:17,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:59:17,766 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:59:17,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:59:17,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 09:59:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-10 09:59:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 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) [2022-01-10 09:59:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-01-10 09:59:17,793 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2022-01-10 09:59:17,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:59:17,794 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-01-10 09:59:17,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-01-10 09:59:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-01-10 09:59:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 09:59:17,796 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:59:17,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:59:17,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:59:17,796 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:59:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:59:17,798 INFO L85 PathProgramCache]: Analyzing trace with hash -588460073, now seen corresponding path program 1 times [2022-01-10 09:59:17,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:59:17,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775892602] [2022-01-10 09:59:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:59:17,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:59:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:59:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:59:17,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:59:17,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775892602] [2022-01-10 09:59:17,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775892602] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:59:17,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:59:17,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 09:59:17,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492897837] [2022-01-10 09:59:17,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:59:17,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 09:59:17,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:59:17,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 09:59:17,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 09:59:17,933 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-01-10 09:59:18,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:59:18,008 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2022-01-10 09:59:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 09:59:18,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2022-01-10 09:59:18,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:59:18,009 INFO L225 Difference]: With dead ends: 36 [2022-01-10 09:59:18,009 INFO L226 Difference]: Without dead ends: 25 [2022-01-10 09:59:18,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 09:59:18,010 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 09:59:18,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 11 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 09:59:18,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-01-10 09:59:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2022-01-10 09:59:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 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) [2022-01-10 09:59:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2022-01-10 09:59:18,015 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 13 [2022-01-10 09:59:18,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:59:18,016 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2022-01-10 09:59:18,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-01-10 09:59:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-01-10 09:59:18,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 09:59:18,016 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:59:18,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:59:18,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 09:59:18,017 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:59:18,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:59:18,017 INFO L85 PathProgramCache]: Analyzing trace with hash -936390184, now seen corresponding path program 1 times [2022-01-10 09:59:18,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:59:18,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221904729] [2022-01-10 09:59:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:59:18,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:59:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:59:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:59:21,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:59:21,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221904729] [2022-01-10 09:59:21,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221904729] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 09:59:21,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291964613] [2022-01-10 09:59:21,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:59:21,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:59:21,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:59:21,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 09:59:21,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 09:59:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:59:22,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 49 conjunts are in the unsatisfiable core [2022-01-10 09:59:22,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:59:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:22,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 09:59:22,349 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2022-01-10 09:59:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:22,452 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2022-01-10 09:59:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:22,812 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2022-01-10 09:59:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:23,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 09:59:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:23,076 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 101 [2022-01-10 09:59:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:59:42,529 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 122 [2022-01-10 09:59:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:59:42,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:59:51,023 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse5 (select (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.baseInt|) (mod (+ (mod (+ (* |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616)))) (or (= (let ((.cse0 (mod (* 5 c_~N~0Int) 4294967296))) (+ (* 18446744069414584320 (mod (div .cse0 2147483648) 2)) .cse0)) (let ((.cse2 (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#sum~0#1.baseInt|)) (.cse4 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#sum~0#1.offsetInt| 4) 18446744073709551616))) (let ((.cse3 (mod (+ (* 18446744069414584320 (mod (div .cse5 2147483648) 2)) .cse5 (select .cse2 |c_ULTIMATE.start_ULTIMATE.start_main_~#sum~0#1.offsetInt|) (* (select .cse2 .cse4) 4294967296)) 18446744073709551616))) (let ((.cse1 (mod (div .cse3 4294967296) 4294967296))) (+ (* .cse1 4294967296) (select (store (store .cse2 |c_ULTIMATE.start_ULTIMATE.start_main_~#sum~0#1.offsetInt| (mod (div .cse3 1) 4294967296)) .cse4 .cse1) |c_ULTIMATE.start_ULTIMATE.start_main_~#sum~0#1.offsetInt|)))))) (not (<= 0 .cse5)) (not (< .cse5 4294967296)))) is different from true