/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/ddv-machzwd/ddv_machzwd_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 11:53:25,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 11:53:25,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 11:53:25,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 11:53:25,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 11:53:25,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 11:53:25,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 11:53:25,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 11:53:25,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 11:53:25,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 11:53:25,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 11:53:25,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 11:53:25,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 11:53:25,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 11:53:25,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 11:53:25,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 11:53:25,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 11:53:25,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 11:53:25,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 11:53:25,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 11:53:25,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 11:53:25,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 11:53:25,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 11:53:25,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 11:53:25,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 11:53:25,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 11:53:25,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 11:53:25,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 11:53:25,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 11:53:25,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 11:53:25,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 11:53:25,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 11:53:25,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 11:53:25,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 11:53:25,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 11:53:25,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 11:53:25,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 11:53:25,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 11:53:25,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 11:53:25,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 11:53:25,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 11:53:25,820 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 11:53:25,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 11:53:25,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 11:53:25,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 11:53:25,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 11:53:25,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 11:53:25,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 11:53:25,848 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 11:53:25,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 11:53:25,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 11:53:25,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 11:53:25,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 11:53:25,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 11:53:25,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 11:53:25,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 11:53:25,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:53:25,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 11:53:25,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 11:53:25,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 11:53:25,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 11:53:25,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 11:53:25,851 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 11:53:25,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 11:53:25,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 11:53:25,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 11:53:25,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 11:53:25,852 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 11:53:25,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 11:53:26,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 11:53:26,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 11:53:26,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 11:53:26,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 11:53:26,080 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 11:53:26,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2022-01-10 11:53:26,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b8ff2f3/046c72a5733e4428bfe0efcf046457a0/FLAGa980dda24 [2022-01-10 11:53:26,608 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 11:53:26,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2022-01-10 11:53:26,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b8ff2f3/046c72a5733e4428bfe0efcf046457a0/FLAGa980dda24 [2022-01-10 11:53:26,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b8ff2f3/046c72a5733e4428bfe0efcf046457a0 [2022-01-10 11:53:26,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 11:53:26,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 11:53:26,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 11:53:26,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 11:53:26,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 11:53:26,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:53:26" (1/1) ... [2022-01-10 11:53:26,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3783c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:26, skipping insertion in model container [2022-01-10 11:53:26,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:53:26" (1/1) ... [2022-01-10 11:53:26,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 11:53:27,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:53:27,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-01-10 11:53:27,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:53:27,828 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 11:53:27,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:53:27,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-01-10 11:53:27,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:53:27,960 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 11:53:27,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-01-10 11:53:28,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:53:28,275 INFO L208 MainTranslator]: Completed translation [2022-01-10 11:53:28,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28 WrapperNode [2022-01-10 11:53:28,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 11:53:28,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 11:53:28,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 11:53:28,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 11:53:28,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,502 INFO L137 Inliner]: procedures = 483, calls = 2708, calls flagged for inlining = 215, calls inlined = 308, statements flattened = 4578 [2022-01-10 11:53:28,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 11:53:28,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 11:53:28,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 11:53:28,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 11:53:28,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 11:53:28,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 11:53:28,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 11:53:28,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 11:53:28,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (1/1) ... [2022-01-10 11:53:28,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:53:28,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:53:28,700 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 11:53:28,721 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 11:53:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 11:53:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-01-10 11:53:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 11:53:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 11:53:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-01-10 11:53:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 11:53:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 11:53:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 11:53:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 11:53:28,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 11:53:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 11:53:28,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-10 11:53:29,045 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 11:53:29,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 11:53:39,793 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 11:53:39,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 11:53:39,805 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-10 11:53:39,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:53:39 BoogieIcfgContainer [2022-01-10 11:53:39,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 11:53:39,807 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 11:53:39,807 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 11:53:39,808 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 11:53:39,810 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:53:39" (1/1) ... [2022-01-10 11:53:40,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:53:40 BasicIcfg [2022-01-10 11:53:40,336 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 11:53:40,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 11:53:40,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 11:53:40,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 11:53:40,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:53:26" (1/4) ... [2022-01-10 11:53:40,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f593572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:53:40, skipping insertion in model container [2022-01-10 11:53:40,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:53:28" (2/4) ... [2022-01-10 11:53:40,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f593572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:53:40, skipping insertion in model container [2022-01-10 11:53:40,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:53:39" (3/4) ... [2022-01-10 11:53:40,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f593572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:53:40, skipping insertion in model container [2022-01-10 11:53:40,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:53:40" (4/4) ... [2022-01-10 11:53:40,341 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.iTransformedIcfg [2022-01-10 11:53:40,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 11:53:40,344 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-01-10 11:53:40,370 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 11:53:40,374 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 11:53:40,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-01-10 11:53:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 725 states, 662 states have (on average 1.350453172205438) internal successors, (894), 724 states have internal predecessors, (894), 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 11:53:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 11:53:40,393 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:53:40,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:53:40,393 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-10 11:53:40,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:53:40,396 INFO L85 PathProgramCache]: Analyzing trace with hash 193107076, now seen corresponding path program 1 times [2022-01-10 11:53:40,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:53:40,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908445148] [2022-01-10 11:53:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:53:40,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:53:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:53:41,597 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 11:53:41,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:53:41,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908445148] [2022-01-10 11:53:41,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908445148] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:53:41,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:53:41,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 11:53:41,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759292154] [2022-01-10 11:53:41,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:53:41,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 11:53:41,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:53:41,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 11:53:41,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 11:53:41,635 INFO L87 Difference]: Start difference. First operand has 725 states, 662 states have (on average 1.350453172205438) internal successors, (894), 724 states have internal predecessors, (894), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11:53:41,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:53:41,698 INFO L93 Difference]: Finished difference Result 1445 states and 1781 transitions. [2022-01-10 11:53:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 11:53:41,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-01-10 11:53:41,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:53:41,717 INFO L225 Difference]: With dead ends: 1445 [2022-01-10 11:53:41,717 INFO L226 Difference]: Without dead ends: 709 [2022-01-10 11:53:41,723 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 11:53:41,727 INFO L933 BasicCegarLoop]: 821 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, 821 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 11:53:41,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 11:53:41,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-01-10 11:53:41,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2022-01-10 11:53:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 647 states have (on average 1.242658423493045) internal successors, (804), 708 states have internal predecessors, (804), 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 11:53:41,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 804 transitions. [2022-01-10 11:53:41,787 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 804 transitions. Word has length 11 [2022-01-10 11:53:41,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:53:41,787 INFO L470 AbstractCegarLoop]: Abstraction has 709 states and 804 transitions. [2022-01-10 11:53:41,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11:53:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 804 transitions. [2022-01-10 11:53:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 11:53:41,787 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:53:41,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:53:41,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 11:53:41,788 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-10 11:53:41,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:53:41,788 INFO L85 PathProgramCache]: Analyzing trace with hash 221736227, now seen corresponding path program 1 times [2022-01-10 11:53:41,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:53:41,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874038813] [2022-01-10 11:53:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:53:41,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:53:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:53:43,372 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 11:53:43,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:53:43,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874038813] [2022-01-10 11:53:43,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874038813] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:53:43,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:53:43,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 11:53:43,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745197668] [2022-01-10 11:53:43,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:53:43,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 11:53:43,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:53:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 11:53:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 11:53:43,378 INFO L87 Difference]: Start difference. First operand 709 states and 804 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11:53:43,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:53:43,525 INFO L93 Difference]: Finished difference Result 1417 states and 1608 transitions. [2022-01-10 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 11:53:43,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-01-10 11:53:43,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:53:43,531 INFO L225 Difference]: With dead ends: 1417 [2022-01-10 11:53:43,531 INFO L226 Difference]: Without dead ends: 713 [2022-01-10 11:53:43,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 11:53:43,532 INFO L933 BasicCegarLoop]: 800 mSDtfsCounter, 2 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:53:43,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1595 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 11:53:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-01-10 11:53:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 711. [2022-01-10 11:53:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 649 states have (on average 1.2419106317411401) internal successors, (806), 710 states have internal predecessors, (806), 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 11:53:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 806 transitions. [2022-01-10 11:53:43,543 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 806 transitions. Word has length 11 [2022-01-10 11:53:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:53:43,558 INFO L470 AbstractCegarLoop]: Abstraction has 711 states and 806 transitions. [2022-01-10 11:53:43,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11:53:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 806 transitions. [2022-01-10 11:53:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 11:53:43,559 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:53:43,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:53:43,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 11:53:43,559 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-10 11:53:43,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:53:43,559 INFO L85 PathProgramCache]: Analyzing trace with hash -451040377, now seen corresponding path program 1 times [2022-01-10 11:53:43,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:53:43,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193260589] [2022-01-10 11:53:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:53:43,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:53:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:53:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 11:53:44,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:53:44,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193260589] [2022-01-10 11:53:44,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193260589] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 11:53:44,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429792866] [2022-01-10 11:53:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:53:44,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:53:44,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:53:44,987 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 11:53:44,990 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 11:53:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:53:50,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 9379 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 11:53:50,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 11:53:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 11:53:50,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 11:53:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 11:53:50,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429792866] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 11:53:50,640 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 11:53:50,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-01-10 11:53:50,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018928028] [2022-01-10 11:53:50,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 11:53:50,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 11:53:50,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:53:50,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 11:53:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 11:53:50,641 INFO L87 Difference]: Start difference. First operand 711 states and 806 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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 11:53:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:53:51,066 INFO L93 Difference]: Finished difference Result 1422 states and 1614 transitions. [2022-01-10 11:53:51,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 11:53:51,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) Word has length 15 [2022-01-10 11:53:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:53:51,073 INFO L225 Difference]: With dead ends: 1422 [2022-01-10 11:53:51,073 INFO L226 Difference]: Without dead ends: 717 [2022-01-10 11:53:51,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-10 11:53:51,074 INFO L933 BasicCegarLoop]: 799 mSDtfsCounter, 2393 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 11:53:51,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2393 Valid, 1596 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 11:53:51,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-01-10 11:53:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2022-01-10 11:53:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 655 states have (on average 1.2381679389312976) internal successors, (811), 716 states have internal predecessors, (811), 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 11:53:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 811 transitions. [2022-01-10 11:53:51,087 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 811 transitions. Word has length 15 [2022-01-10 11:53:51,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:53:51,088 INFO L470 AbstractCegarLoop]: Abstraction has 717 states and 811 transitions. [2022-01-10 11:53:51,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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 11:53:51,088 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 811 transitions. [2022-01-10 11:53:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-10 11:53:51,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:53:51,088 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:53:51,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 11:53:51,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:53:51,311 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-10 11:53:51,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:53:51,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1404760979, now seen corresponding path program 2 times [2022-01-10 11:53:51,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:53:51,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172137648] [2022-01-10 11:53:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:53:51,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:53:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:53:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 11:53:52,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:53:52,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172137648] [2022-01-10 11:53:52,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172137648] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 11:53:52,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105994360] [2022-01-10 11:53:52,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 11:53:52,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:53:52,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:53:52,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 11:53:52,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process