/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/nla-digbench-scaling/geo3-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:06:37,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:06:37,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:06:37,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 09:06:37,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 09:06:37,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 09:06:37,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 09:06:37,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 09:06:37,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 09:06:37,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 09:06:37,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 09:06:37,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 09:06:37,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:06:37,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:06:37,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:06:37,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:06:37,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:06:37,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:06:37,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:06:37,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:06:37,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:06:37,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:06:37,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:06:37,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:06:37,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 09:06:37,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 09:06:37,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 09:06:37,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 09:06:37,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 09:06:37,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 09:06:37,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 09:06:37,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 09:06:37,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 09:06:37,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 09:06:37,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 09:06:37,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 09:06:37,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 09:06:37,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 09:06:37,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:06:37,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:06:37,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:06:37,925 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 09:06:37,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:06:37,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:06:37,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:06:37,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:06:37,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:06:37,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:06:37,943 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:06:37,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:06:37,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:06:37,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:06:37,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:06:37,945 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:06:37,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:06:37,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:06:37,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:06:37,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:06:37,946 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:06:37,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:06:38,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:06:38,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:06:38,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:06:38,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:06:38,125 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:06:38,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound2.c [2022-01-10 09:06:38,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f414969af/8b3f4720891043bd8658ae738b9b1956/FLAG418885fa5 [2022-01-10 09:06:38,482 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:06:38,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound2.c [2022-01-10 09:06:38,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f414969af/8b3f4720891043bd8658ae738b9b1956/FLAG418885fa5 [2022-01-10 09:06:38,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f414969af/8b3f4720891043bd8658ae738b9b1956 [2022-01-10 09:06:38,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:06:38,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:06:38,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:06:38,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:06:38,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:06:38,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:06:38" (1/1) ... [2022-01-10 09:06:38,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2323d98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:38, skipping insertion in model container [2022-01-10 09:06:38,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:06:38" (1/1) ... [2022-01-10 09:06:38,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:06:38,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:06:39,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound2.c[525,538] [2022-01-10 09:06:39,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:06:39,060 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:06:39,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound2.c[525,538] [2022-01-10 09:06:39,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:06:39,081 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:06:39,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39 WrapperNode [2022-01-10 09:06:39,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:06:39,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:06:39,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:06:39,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:06:39,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,103 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2022-01-10 09:06:39,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:06:39,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:06:39,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:06:39,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:06:39,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:06:39,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:06:39,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:06:39,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:06:39,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:06:39,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:06:39,144 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 09:06:39,151 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 09:06:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:06:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:06:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:06:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:06:39,217 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:06:39,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:06:39,718 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:06:39,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:06:39,722 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 09:06:39,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:06:39 BoogieIcfgContainer [2022-01-10 09:06:39,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:06:39,724 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:06:39,724 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:06:39,728 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:06:39,730 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:06:39" (1/1) ... [2022-01-10 09:06:39,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:06:39 BasicIcfg [2022-01-10 09:06:39,824 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:06:39,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:06:39,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:06:39,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:06:39,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:06:38" (1/4) ... [2022-01-10 09:06:39,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:06:39, skipping insertion in model container [2022-01-10 09:06:39,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:06:39" (2/4) ... [2022-01-10 09:06:39,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:06:39, skipping insertion in model container [2022-01-10 09:06:39,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:06:39" (3/4) ... [2022-01-10 09:06:39,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:06:39, skipping insertion in model container [2022-01-10 09:06:39,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:06:39" (4/4) ... [2022-01-10 09:06:39,829 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound2.cTransformedIcfg [2022-01-10 09:06:39,832 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:06:39,832 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-10 09:06:39,861 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:06:39,866 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 09:06:39,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-10 09:06:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 21 states have internal predecessors, (29), 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 09:06:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 09:06:39,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:06:39,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:06:39,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:06:39,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:06:39,882 INFO L85 PathProgramCache]: Analyzing trace with hash 205535596, now seen corresponding path program 1 times [2022-01-10 09:06:39,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:06:39,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638103757] [2022-01-10 09:06:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:06:39,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:06:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:06:39,989 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 09:06:39,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:06:39,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638103757] [2022-01-10 09:06:39,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638103757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:06:39,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:06:39,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:06:39,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959126478] [2022-01-10 09:06:39,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:06:39,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:06:39,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:06:40,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:06:40,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:06:40,017 INFO L87 Difference]: Start difference. First operand has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 21 states have internal predecessors, (29), 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 09:06:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:06:40,026 INFO L93 Difference]: Finished difference Result 41 states and 54 transitions. [2022-01-10 09:06:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:06:40,027 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 09:06:40,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:06:40,032 INFO L225 Difference]: With dead ends: 41 [2022-01-10 09:06:40,032 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 09:06:40,034 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 09:06:40,036 INFO L933 BasicCegarLoop]: 22 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, 22 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 09:06:40,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:06:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 09:06:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-10 09:06:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 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 09:06:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-01-10 09:06:40,057 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-01-10 09:06:40,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:06:40,057 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-01-10 09:06:40,057 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 09:06:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-01-10 09:06:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 09:06:40,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:06:40,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:06:40,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:06:40,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:06:40,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:06:40,059 INFO L85 PathProgramCache]: Analyzing trace with hash -713491665, now seen corresponding path program 1 times [2022-01-10 09:06:40,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:06:40,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128612154] [2022-01-10 09:06:40,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:06:40,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:06:40,086 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:06:40,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496684281] [2022-01-10 09:06:40,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:06:40,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:06:40,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:06:40,088 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 09:06:40,122 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 09:06:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:06:40,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-10 09:06:40,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:06:41,247 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 09:06:41,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 09:06:41,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:06:41,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128612154] [2022-01-10 09:06:41,249 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 09:06:41,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496684281] [2022-01-10 09:06:41,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496684281] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:06:41,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:06:41,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 09:06:41,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936480557] [2022-01-10 09:06:41,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:06:41,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 09:06:41,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:06:41,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 09:06:41,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 09:06:41,255 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 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 09:06:41,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:06:41,758 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-01-10 09:06:41,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 09:06:41,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 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 09:06:41,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:06:41,759 INFO L225 Difference]: With dead ends: 28 [2022-01-10 09:06:41,759 INFO L226 Difference]: Without dead ends: 22 [2022-01-10 09:06:41,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-01-10 09:06:41,760 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 40 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 09:06:41,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 28 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 09:06:41,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-01-10 09:06:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-01-10 09:06:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 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 09:06:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-01-10 09:06:41,765 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2022-01-10 09:06:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:06:41,765 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-01-10 09:06:41,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 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 09:06:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-01-10 09:06:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 09:06:41,765 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:06:41,765 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:06:41,773 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 09:06:41,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:06:41,966 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:06:41,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:06:41,967 INFO L85 PathProgramCache]: Analyzing trace with hash 789991527, now seen corresponding path program 1 times [2022-01-10 09:06:41,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:06:41,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698833593] [2022-01-10 09:06:41,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:06:41,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:06:41,997 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:06:41,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1426480640] [2022-01-10 09:06:41,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:06:41,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:06:41,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:06:42,001 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 09:06:42,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 09:06:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:06:42,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 39 conjunts are in the unsatisfiable core [2022-01-10 09:06:42,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:07:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:07:02,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:07:28,231 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int|))) (let ((.cse3 (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| .cse2) 18446744073709551616)) (.cse1 (* (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 2147483648) 2) 18446744069414584320))) (or (= (mod (let ((.cse0 (mod (+ .cse3 .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|) 18446744073709551616))) (+ (mod (* 18446744073709551615 .cse0) 18446744073709551616) .cse1 (mod (* .cse0 .cse2) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| (mod (* 18446744073709551615 (mod (* (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| .cse2) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~az~0#1Int|) 18446744073709551616)) 18446744073709551616))) 18446744073709551616) 0) (not (= (mod (+ .cse3 (mod (* 18446744073709551615 |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616) .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| (mod (* 18446744073709551615 (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~az~0#1Int| |c_ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616)) 18446744073709551616) 0))))) is different from true [2022-01-10 09:07:44,282 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (* (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 2147483648) 2) 18446744069414584320))) (let ((.cse4 (+ .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (or (= (mod (let ((.cse3 (+ (* 18446744069414584320 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2)) |c_ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int|))) (let ((.cse2 (mod (* .cse4 .cse3) 18446744073709551616))) (let ((.cse0 (mod (+ .cse2 .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|) 18446744073709551616))) (+ (mod (* 18446744073709551615 .cse0) 18446744073709551616) .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| (mod (* 18446744073709551615 (mod (* .cse2 (mod .cse3 18446744073709551616)) 18446744073709551616)) 18446744073709551616) (mod (* .cse0 .cse3) 18446744073709551616))))) 18446744073709551616) 0) (< .cse4 0) (<= 18446744073709551616 .cse4)))) is different from true