./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c5f43b3e9ff1d4598a5a525fe9e716f863331c4c517b4b8adb0491943243286 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 00:04:34,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 00:04:34,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 00:04:34,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 00:04:34,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 00:04:34,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 00:04:34,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 00:04:34,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 00:04:34,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 00:04:34,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 00:04:34,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 00:04:34,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 00:04:34,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 00:04:34,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 00:04:34,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 00:04:34,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 00:04:34,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 00:04:34,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 00:04:34,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 00:04:34,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 00:04:34,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 00:04:34,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 00:04:34,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 00:04:34,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 00:04:34,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 00:04:34,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 00:04:34,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 00:04:34,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 00:04:34,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 00:04:34,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 00:04:34,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 00:04:34,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 00:04:34,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 00:04:34,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 00:04:34,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 00:04:34,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 00:04:34,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 00:04:34,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 00:04:34,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 00:04:34,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 00:04:34,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 00:04:34,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 00:04:34,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 00:04:34,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 00:04:34,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 00:04:34,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 00:04:34,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 00:04:34,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 00:04:34,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 00:04:34,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 00:04:34,916 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 00:04:34,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 00:04:34,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 00:04:34,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 00:04:34,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 00:04:34,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 00:04:34,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 00:04:34,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 00:04:34,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 00:04:34,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 00:04:34,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 00:04:34,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 00:04:34,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 00:04:34,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 00:04:34,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 00:04:34,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 00:04:34,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 00:04:34,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 00:04:34,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 00:04:34,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 00:04:34,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 00:04:34,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 00:04:34,919 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 00:04:34,919 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 00:04:34,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 00:04:34,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5f43b3e9ff1d4598a5a525fe9e716f863331c4c517b4b8adb0491943243286 [2021-12-28 00:04:35,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 00:04:35,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 00:04:35,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 00:04:35,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 00:04:35,166 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 00:04:35,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c [2021-12-28 00:04:35,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b08552a/6eb68573950e449ab13b89279a1ad467/FLAG5e81ed8a4 [2021-12-28 00:04:35,591 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 00:04:35,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c [2021-12-28 00:04:35,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b08552a/6eb68573950e449ab13b89279a1ad467/FLAG5e81ed8a4 [2021-12-28 00:04:35,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8b08552a/6eb68573950e449ab13b89279a1ad467 [2021-12-28 00:04:35,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 00:04:35,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 00:04:35,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 00:04:35,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 00:04:35,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 00:04:35,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c97107e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35, skipping insertion in model container [2021-12-28 00:04:35,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 00:04:35,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 00:04:35,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c[319,332] [2021-12-28 00:04:35,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 00:04:35,741 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 00:04:35,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/mono-crafted_10.c[319,332] [2021-12-28 00:04:35,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 00:04:35,765 INFO L208 MainTranslator]: Completed translation [2021-12-28 00:04:35,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35 WrapperNode [2021-12-28 00:04:35,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 00:04:35,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 00:04:35,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 00:04:35,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 00:04:35,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,792 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-12-28 00:04:35,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 00:04:35,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 00:04:35,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 00:04:35,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 00:04:35,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 00:04:35,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 00:04:35,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 00:04:35,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 00:04:35,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (1/1) ... [2021-12-28 00:04:35,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 00:04:35,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:04:35,841 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) [2021-12-28 00:04:35,851 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 [2021-12-28 00:04:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 00:04:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 00:04:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 00:04:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 00:04:35,910 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 00:04:35,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 00:04:36,018 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 00:04:36,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 00:04:36,023 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 00:04:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 12:04:36 BoogieIcfgContainer [2021-12-28 00:04:36,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 00:04:36,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 00:04:36,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 00:04:36,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 00:04:36,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 12:04:35" (1/3) ... [2021-12-28 00:04:36,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285c6879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 12:04:36, skipping insertion in model container [2021-12-28 00:04:36,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 12:04:35" (2/3) ... [2021-12-28 00:04:36,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285c6879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 12:04:36, skipping insertion in model container [2021-12-28 00:04:36,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 12:04:36" (3/3) ... [2021-12-28 00:04:36,032 INFO L111 eAbstractionObserver]: Analyzing ICFG mono-crafted_10.c [2021-12-28 00:04:36,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 00:04:36,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 00:04:36,074 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 00:04:36,079 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 [2021-12-28 00:04:36,080 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 00:04:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 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) [2021-12-28 00:04:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-28 00:04:36,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:36,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-28 00:04:36,097 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:36,101 INFO L85 PathProgramCache]: Analyzing trace with hash 889968487, now seen corresponding path program 1 times [2021-12-28 00:04:36,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:36,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000611729] [2021-12-28 00:04:36,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:36,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:36,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:36,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000611729] [2021-12-28 00:04:36,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000611729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:04:36,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:04:36,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 00:04:36,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417738337] [2021-12-28 00:04:36,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:04:36,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 00:04:36,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:36,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 00:04:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 00:04:36,233 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-12-28 00:04:36,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:04:36,242 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-12-28 00:04:36,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 00:04:36,243 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-12-28 00:04:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:04:36,248 INFO L225 Difference]: With dead ends: 21 [2021-12-28 00:04:36,249 INFO L226 Difference]: Without dead ends: 9 [2021-12-28 00:04:36,251 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 [2021-12-28 00:04:36,255 INFO L933 BasicCegarLoop]: 14 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, 14 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 [2021-12-28 00:04:36,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:04:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-12-28 00:04:36,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-12-28 00:04:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 00:04:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-12-28 00:04:36,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2021-12-28 00:04:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:04:36,280 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-12-28 00:04:36,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-12-28 00:04:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-12-28 00:04:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-28 00:04:36,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:36,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-28 00:04:36,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 00:04:36,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:36,282 INFO L85 PathProgramCache]: Analyzing trace with hash 889640786, now seen corresponding path program 1 times [2021-12-28 00:04:36,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:36,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478065315] [2021-12-28 00:04:36,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:36,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:36,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:36,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478065315] [2021-12-28 00:04:36,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478065315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:04:36,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 00:04:36,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 00:04:36,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218756734] [2021-12-28 00:04:36,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:04:36,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 00:04:36,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:36,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 00:04:36,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 00:04:36,433 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-12-28 00:04:36,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:04:36,451 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-12-28 00:04:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 00:04:36,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-12-28 00:04:36,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:04:36,453 INFO L225 Difference]: With dead ends: 19 [2021-12-28 00:04:36,453 INFO L226 Difference]: Without dead ends: 12 [2021-12-28 00:04:36,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 00:04:36,454 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:04:36,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:04:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-12-28 00:04:36,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-12-28 00:04:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2021-12-28 00:04:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-12-28 00:04:36,461 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2021-12-28 00:04:36,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:04:36,461 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-12-28 00:04:36,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-12-28 00:04:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-12-28 00:04:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-28 00:04:36,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:36,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:04:36,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 00:04:36,464 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:36,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:36,465 INFO L85 PathProgramCache]: Analyzing trace with hash 641725625, now seen corresponding path program 1 times [2021-12-28 00:04:36,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:36,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520421881] [2021-12-28 00:04:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:36,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:36,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:36,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520421881] [2021-12-28 00:04:36,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520421881] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:04:36,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727743389] [2021-12-28 00:04:36,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:36,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:36,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:04:36,602 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) [2021-12-28 00:04:36,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 00:04:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:36,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-28 00:04:36,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:04:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:36,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:04:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:36,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727743389] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:04:36,841 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:04:36,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2021-12-28 00:04:36,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928899987] [2021-12-28 00:04:36,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:04:36,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 00:04:36,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:36,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 00:04:36,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2021-12-28 00:04:36,846 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-12-28 00:04:36,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:04:36,915 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-12-28 00:04:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 00:04:36,916 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Word has length 9 [2021-12-28 00:04:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:04:36,917 INFO L225 Difference]: With dead ends: 26 [2021-12-28 00:04:36,917 INFO L226 Difference]: Without dead ends: 19 [2021-12-28 00:04:36,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-28 00:04:36,920 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 24 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:04:36,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 12 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:04:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-12-28 00:04:36,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-28 00:04:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 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) [2021-12-28 00:04:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-12-28 00:04:36,928 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2021-12-28 00:04:36,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:04:36,928 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-12-28 00:04:36,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-12-28 00:04:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-12-28 00:04:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-28 00:04:36,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:36,929 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1] [2021-12-28 00:04:36,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 00:04:37,139 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 [2021-12-28 00:04:37,140 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:37,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:37,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1171899538, now seen corresponding path program 2 times [2021-12-28 00:04:37,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:37,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645905564] [2021-12-28 00:04:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:37,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:37,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:37,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645905564] [2021-12-28 00:04:37,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645905564] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:04:37,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065610695] [2021-12-28 00:04:37,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-28 00:04:37,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:04:37,293 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) [2021-12-28 00:04:37,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 00:04:37,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-28 00:04:37,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 00:04:37,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-28 00:04:37,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:04:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:37,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:04:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:37,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065610695] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:04:37,672 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:04:37,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2021-12-28 00:04:37,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452717370] [2021-12-28 00:04:37,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:04:37,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-28 00:04:37,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:37,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-28 00:04:37,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2021-12-28 00:04:37,674 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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) [2021-12-28 00:04:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:04:38,577 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2021-12-28 00:04:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 00:04:38,577 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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 18 [2021-12-28 00:04:38,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:04:38,578 INFO L225 Difference]: With dead ends: 46 [2021-12-28 00:04:38,578 INFO L226 Difference]: Without dead ends: 37 [2021-12-28 00:04:38,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=178, Invalid=284, Unknown=0, NotChecked=0, Total=462 [2021-12-28 00:04:38,579 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 69 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:04:38,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 26 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-28 00:04:38,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-28 00:04:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-12-28 00:04:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 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) [2021-12-28 00:04:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2021-12-28 00:04:38,583 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 18 [2021-12-28 00:04:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:04:38,583 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2021-12-28 00:04:38,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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) [2021-12-28 00:04:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-12-28 00:04:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-28 00:04:38,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:38,584 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1] [2021-12-28 00:04:38,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-28 00:04:38,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-28 00:04:38,794 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash -51731342, now seen corresponding path program 3 times [2021-12-28 00:04:38,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:38,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362971339] [2021-12-28 00:04:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:38,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:39,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:39,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362971339] [2021-12-28 00:04:39,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362971339] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:04:39,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538871797] [2021-12-28 00:04:39,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-28 00:04:39,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:39,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:04:39,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:04:39,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 00:04:39,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-28 00:04:39,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 00:04:39,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-28 00:04:39,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:04:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-28 00:04:39,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 00:04:39,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538871797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 00:04:39,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-28 00:04:39,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2021-12-28 00:04:39,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172328754] [2021-12-28 00:04:39,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 00:04:39,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 00:04:39,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:39,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 00:04:39,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-28 00:04:39,217 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2021-12-28 00:04:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:04:39,261 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2021-12-28 00:04:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 00:04:39,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 36 [2021-12-28 00:04:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:04:39,265 INFO L225 Difference]: With dead ends: 63 [2021-12-28 00:04:39,265 INFO L226 Difference]: Without dead ends: 59 [2021-12-28 00:04:39,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-12-28 00:04:39,266 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 00:04:39,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 00:04:39,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-12-28 00:04:39,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 37. [2021-12-28 00:04:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 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) [2021-12-28 00:04:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2021-12-28 00:04:39,279 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 36 [2021-12-28 00:04:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:04:39,280 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2021-12-28 00:04:39,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2021-12-28 00:04:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-12-28 00:04:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-28 00:04:39,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:39,280 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:04:39,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-28 00:04:39,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:39,481 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:39,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:39,482 INFO L85 PathProgramCache]: Analyzing trace with hash -108989644, now seen corresponding path program 1 times [2021-12-28 00:04:39,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:39,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673826373] [2021-12-28 00:04:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:39,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:39,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:39,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673826373] [2021-12-28 00:04:39,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673826373] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:04:39,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436819863] [2021-12-28 00:04:39,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:39,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:39,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:04:39,644 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:04:39,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-28 00:04:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:39,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-28 00:04:39,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:04:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:39,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:04:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:40,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436819863] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:04:40,139 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:04:40,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 24 [2021-12-28 00:04:40,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361749022] [2021-12-28 00:04:40,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:04:40,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-28 00:04:40,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:40,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-28 00:04:40,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-12-28 00:04:40,141 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 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) [2021-12-28 00:04:43,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 00:04:43,194 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2021-12-28 00:04:43,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-28 00:04:43,195 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 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 36 [2021-12-28 00:04:43,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 00:04:43,195 INFO L225 Difference]: With dead ends: 88 [2021-12-28 00:04:43,195 INFO L226 Difference]: Without dead ends: 70 [2021-12-28 00:04:43,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=393, Invalid=663, Unknown=0, NotChecked=0, Total=1056 [2021-12-28 00:04:43,196 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 61 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-28 00:04:43,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 43 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-28 00:04:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-12-28 00:04:43,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-12-28 00:04:43,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 69 states have internal predecessors, (71), 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) [2021-12-28 00:04:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2021-12-28 00:04:43,203 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 36 [2021-12-28 00:04:43,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 00:04:43,203 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2021-12-28 00:04:43,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 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) [2021-12-28 00:04:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2021-12-28 00:04:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-28 00:04:43,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 00:04:43,205 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 00:04:43,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-28 00:04:43,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:43,406 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 00:04:43,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 00:04:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1647036101, now seen corresponding path program 2 times [2021-12-28 00:04:43,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 00:04:43,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544401276] [2021-12-28 00:04:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 00:04:43,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 00:04:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 00:04:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 41 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:43,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 00:04:43,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544401276] [2021-12-28 00:04:43,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544401276] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 00:04:43,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130668904] [2021-12-28 00:04:43,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-28 00:04:43,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 00:04:43,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 00:04:43,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 00:04:43,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-28 00:04:43,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-28 00:04:43,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 00:04:43,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-28 00:04:43,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 00:04:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 41 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:44,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 00:04:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 00:04:45,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130668904] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 00:04:45,512 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 00:04:45,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 26] total 49 [2021-12-28 00:04:45,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237204773] [2021-12-28 00:04:45,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 00:04:45,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-12-28 00:04:45,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 00:04:45,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-12-28 00:04:45,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=626, Invalid=1726, Unknown=0, NotChecked=0, Total=2352 [2021-12-28 00:04:45,514 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand has 49 states, 49 states have (on average 2.795918367346939) internal successors, (137), 49 states have internal predecessors, (137), 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) [2021-12-28 00:05:10,918 WARN L228 SmtUtils]: Spent 14.72s on a formula simplification. DAG size of input: 202 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-28 00:05:12,931 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296)) (.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296)) (.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296)) (.cse6 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296)) (.cse7 (mod |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296)) (.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296)) (.cse9 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296)) (.cse14 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296)) (.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296)) (.cse18 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296)) (.cse20 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296)) (.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296)) (.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (and (or (< .cse0 5000000) (<= 0 (div (+ .cse0 (* (- 1) .cse1)) 4294967296))) (or (<= 0 (div (+ (* (- 1) .cse2) .cse3) 4294967296)) (< .cse3 5000000)) (or (< .cse2 5000000) (<= 0 (div (+ .cse2 (* (- 1) .cse4)) 4294967296))) (or (< .cse1 5000000) (<= 0 (div (+ (* (- 1) .cse5) .cse1) 4294967296))) (< .cse6 .cse7) (or (<= 0 (div (+ .cse8 (* (- 1) .cse9)) 4294967296)) (< .cse8 5000000)) (or (<= 0 (div (+ .cse10 (* .cse11 (- 1))) 4294967296)) (< .cse10 5000000)) (or (< .cse4 5000000) (<= 0 (div (+ (* (- 1) .cse12) .cse4) 4294967296))) (or (<= 0 (div (+ (* (- 1) .cse8) .cse13) 4294967296)) (< .cse13 5000000)) (or (<= 0 (div (+ .cse14 (* .cse10 (- 1))) 4294967296)) (< .cse14 5000000)) (or (< .cse6 5000000) (<= 0 (div (+ .cse6 (* (- 1) .cse15)) 4294967296))) (or (not (<= 5000000 .cse6)) (< .cse15 .cse7)) (or (<= 0 (div (+ (* (- 1) .cse13) .cse16) 4294967296)) (< .cse16 5000000)) (or (< .cse11 5000000) (<= 0 (div (+ .cse11 (* (- 1) .cse17)) 4294967296))) (or (<= 0 (div (+ (* (- 1) .cse18) .cse19) 4294967296)) (< .cse19 5000000)) (or (< .cse9 5000000) (<= 0 (div (+ (* (- 1) .cse19) .cse9) 4294967296))) (or (< .cse12 5000000) (<= 0 (div (+ (* (- 1) .cse14) .cse12) 4294967296))) (or (< .cse20 5000000) (<= 0 (div (+ (* (- 1) (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296)) .cse20) 4294967296))) (or (<= 0 (div (+ .cse21 (* (- 1) .cse3)) 4294967296)) (< .cse21 5000000)) (or (<= 0 (div (+ (* (- 1) .cse0) .cse17) 4294967296)) (< .cse17 5000000)) (or (< .cse18 5000000) (<= 0 (div (+ .cse18 (* (- 1) .cse20)) 4294967296))) (or (< .cse15 5000000) (<= 0 (div (+ (* .cse21 (- 1)) .cse15) 4294967296))) (or (< .cse5 5000000) (<= 0 (div (+ (* (- 1) .cse16) .cse5) 4294967296))))) is different from false