./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 23:57:47,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:57:47,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:57:47,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:57:47,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:57:47,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:57:47,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:57:47,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:57:47,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:57:47,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:57:47,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:57:47,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:57:47,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:57:47,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:57:47,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:57:47,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:57:47,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:57:47,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:57:47,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:57:47,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:57:47,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:57:47,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:57:47,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:57:47,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:57:47,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:57:47,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:57:47,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:57:47,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:57:47,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:57:47,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:57:47,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:57:47,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:57:47,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:57:47,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:57:47,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:57:47,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:57:47,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:57:47,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:57:47,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:57:47,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:57:47,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:57:47,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 23:57:47,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:57:47,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:57:47,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:57:47,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:57:47,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:57:47,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:57:47,807 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:57:47,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:57:47,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:57:47,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:57:47,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:57:47,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:57:47,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:57:47,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:57:47,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:57:47,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:57:47,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:57:47,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:57:47,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:57:47,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:57:47,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:57:47,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:57:47,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:57:47,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:57:47,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:57:47,811 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:57:47,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 23:57:47,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:57:47,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 23:57:47,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2021-11-22 23:57:48,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:57:48,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:57:48,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:57:48,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:57:48,089 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:57:48,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-22 23:57:48,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cf58895/e79e91c0e279464582748022bb06bebd/FLAGb0e2925c8 [2021-11-22 23:57:48,796 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:57:48,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-22 23:57:48,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cf58895/e79e91c0e279464582748022bb06bebd/FLAGb0e2925c8 [2021-11-22 23:57:49,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cf58895/e79e91c0e279464582748022bb06bebd [2021-11-22 23:57:49,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:57:49,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:57:49,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:57:49,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:57:49,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:57:49,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:57:49" (1/1) ... [2021-11-22 23:57:49,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a69579a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:49, skipping insertion in model container [2021-11-22 23:57:49,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:57:49" (1/1) ... [2021-11-22 23:57:49,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:57:49,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:57:50,268 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/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2021-11-22 23:57:50,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:57:50,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:57:50,498 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/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2021-11-22 23:57:50,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:57:50,586 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:57:50,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50 WrapperNode [2021-11-22 23:57:50,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:57:50,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:57:50,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:57:50,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:57:50,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:50,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:51,241 INFO L137 Inliner]: procedures = 159, calls = 1227, calls flagged for inlining = 295, calls inlined = 1617, statements flattened = 33390 [2021-11-22 23:57:51,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:57:51,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:57:51,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:57:51,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:57:51,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:51,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:51,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:51,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:51,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:52,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:52,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:52,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:57:52,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:57:52,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:57:52,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:57:52,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (1/1) ... [2021-11-22 23:57:52,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:57:52,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:57:52,300 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) [2021-11-22 23:57:52,322 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 [2021-11-22 23:57:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 23:57:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 23:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 23:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:57:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 23:57:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-22 23:57:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:57:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:57:52,778 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:57:52,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:58:09,525 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:58:09,560 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:58:09,561 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:58:09,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:58:09 BoogieIcfgContainer [2021-11-22 23:58:09,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:58:09,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 23:58:09,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 23:58:09,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 23:58:09,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:57:49" (1/3) ... [2021-11-22 23:58:09,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b0f1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:58:09, skipping insertion in model container [2021-11-22 23:58:09,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:57:50" (2/3) ... [2021-11-22 23:58:09,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b0f1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:58:09, skipping insertion in model container [2021-11-22 23:58:09,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:58:09" (3/3) ... [2021-11-22 23:58:09,573 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-22 23:58:09,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 23:58:09,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 23:58:09,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 23:58:09,635 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 [2021-11-22 23:58:09,635 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 23:58:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 4783 states, 4776 states have (on average 1.5056532663316582) internal successors, (7191), 4782 states have internal predecessors, (7191), 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) [2021-11-22 23:58:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:58:09,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:58:09,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:58:09,723 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:58:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:58:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 886197094, now seen corresponding path program 1 times [2021-11-22 23:58:09,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:58:09,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28815776] [2021-11-22 23:58:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:58:09,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:58:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:58:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:58:10,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:58:10,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28815776] [2021-11-22 23:58:10,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28815776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:58:10,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:58:10,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 23:58:10,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318704193] [2021-11-22 23:58:10,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:58:10,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 23:58:10,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:58:10,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 23:58:10,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 23:58:10,177 INFO L87 Difference]: Start difference. First operand has 4783 states, 4776 states have (on average 1.5056532663316582) internal successors, (7191), 4782 states have internal predecessors, (7191), 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 21.0) internal successors, (42), 2 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) [2021-11-22 23:58:10,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:58:10,352 INFO L93 Difference]: Finished difference Result 9556 states and 14371 transitions. [2021-11-22 23:58:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:58:10,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 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) Word has length 42 [2021-11-22 23:58:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:58:10,390 INFO L225 Difference]: With dead ends: 9556 [2021-11-22 23:58:10,390 INFO L226 Difference]: Without dead ends: 4746 [2021-11-22 23:58:10,405 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 [2021-11-22 23:58:10,409 INFO L933 BasicCegarLoop]: 7166 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, 7166 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 [2021-11-22 23:58:10,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7166 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:58:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4746 states. [2021-11-22 23:58:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4746 to 4746. [2021-11-22 23:58:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4746 states, 4740 states have (on average 1.5) internal successors, (7110), 4745 states have internal predecessors, (7110), 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) [2021-11-22 23:58:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4746 states to 4746 states and 7110 transitions. [2021-11-22 23:58:10,610 INFO L78 Accepts]: Start accepts. Automaton has 4746 states and 7110 transitions. Word has length 42 [2021-11-22 23:58:10,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:58:10,610 INFO L470 AbstractCegarLoop]: Abstraction has 4746 states and 7110 transitions. [2021-11-22 23:58:10,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 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) [2021-11-22 23:58:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4746 states and 7110 transitions. [2021-11-22 23:58:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:58:10,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:58:10,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:58:10,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 23:58:10,614 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:58:10,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:58:10,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1101575700, now seen corresponding path program 1 times [2021-11-22 23:58:10,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:58:10,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459940900] [2021-11-22 23:58:10,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:58:10,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:58:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:58:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:58:10,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:58:10,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459940900] [2021-11-22 23:58:10,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459940900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:58:10,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:58:10,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:58:10,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529271931] [2021-11-22 23:58:10,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:58:10,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:58:10,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:58:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:58:10,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:58:10,765 INFO L87 Difference]: Start difference. First operand 4746 states and 7110 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 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) [2021-11-22 23:58:11,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:58:11,034 INFO L93 Difference]: Finished difference Result 10220 states and 15275 transitions. [2021-11-22 23:58:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:58:11,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 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) Word has length 42 [2021-11-22 23:58:11,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:58:11,057 INFO L225 Difference]: With dead ends: 10220 [2021-11-22 23:58:11,057 INFO L226 Difference]: Without dead ends: 5492 [2021-11-22 23:58:11,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:58:11,073 INFO L933 BasicCegarLoop]: 7109 mSDtfsCounter, 1087 mSDsluCounter, 7070 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 14179 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 23:58:11,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1087 Valid, 14179 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 23:58:11,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2021-11-22 23:58:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5474. [2021-11-22 23:58:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5474 states, 5468 states have (on average 1.4932333577176298) internal successors, (8165), 5473 states have internal predecessors, (8165), 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) [2021-11-22 23:58:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5474 states to 5474 states and 8165 transitions. [2021-11-22 23:58:11,215 INFO L78 Accepts]: Start accepts. Automaton has 5474 states and 8165 transitions. Word has length 42 [2021-11-22 23:58:11,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:58:11,216 INFO L470 AbstractCegarLoop]: Abstraction has 5474 states and 8165 transitions. [2021-11-22 23:58:11,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 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) [2021-11-22 23:58:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5474 states and 8165 transitions. [2021-11-22 23:58:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:58:11,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:58:11,224 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:58:11,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 23:58:11,230 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:58:11,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:58:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1811587906, now seen corresponding path program 1 times [2021-11-22 23:58:11,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:58:11,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144960851] [2021-11-22 23:58:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:58:11,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:58:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:58:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:58:11,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:58:11,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144960851] [2021-11-22 23:58:11,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144960851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:58:11,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:58:11,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 23:58:11,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558772039] [2021-11-22 23:58:11,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:58:11,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 23:58:11,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:58:11,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 23:58:11,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:58:11,552 INFO L87 Difference]: Start difference. First operand 5474 states and 8165 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-22 23:58:14,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:58:24,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:58:24,749 INFO L93 Difference]: Finished difference Result 12366 states and 18310 transitions. [2021-11-22 23:58:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:58:24,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 86 [2021-11-22 23:58:24,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:58:24,774 INFO L225 Difference]: With dead ends: 12366 [2021-11-22 23:58:24,774 INFO L226 Difference]: Without dead ends: 6910 [2021-11-22 23:58:24,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:58:24,785 INFO L933 BasicCegarLoop]: 8086 mSDtfsCounter, 2548 mSDsluCounter, 12974 mSDsCounter, 0 mSdLazyCounter, 2762 mSolverCounterSat, 140 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 21060 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2762 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-22 23:58:24,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2548 Valid, 21060 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2762 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2021-11-22 23:58:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6910 states. [2021-11-22 23:58:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6910 to 5478. [2021-11-22 23:58:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5472 states have (on average 1.4930555555555556) internal successors, (8170), 5477 states have internal predecessors, (8170), 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) [2021-11-22 23:58:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 8170 transitions. [2021-11-22 23:58:24,929 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 8170 transitions. Word has length 86 [2021-11-22 23:58:24,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:58:24,931 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 8170 transitions. [2021-11-22 23:58:24,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-22 23:58:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 8170 transitions. [2021-11-22 23:58:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:58:24,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:58:24,937 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:58:24,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 23:58:24,937 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:58:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:58:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash 104728802, now seen corresponding path program 1 times [2021-11-22 23:58:24,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:58:24,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375987856] [2021-11-22 23:58:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:58:24,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:58:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:58:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:58:25,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:58:25,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375987856] [2021-11-22 23:58:25,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375987856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:58:25,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:58:25,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:58:25,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829405943] [2021-11-22 23:58:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:58:25,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:58:25,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:58:25,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:58:25,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:58:25,211 INFO L87 Difference]: Start difference. First operand 5478 states and 8170 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2021-11-22 23:58:32,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:58:47,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:59:03,511 INFO L93 Difference]: Finished difference Result 18908 states and 27974 transitions. [2021-11-22 23:59:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:59:03,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 87 [2021-11-22 23:59:03,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:59:03,558 INFO L225 Difference]: With dead ends: 18908 [2021-11-22 23:59:03,558 INFO L226 Difference]: Without dead ends: 13448 [2021-11-22 23:59:03,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-22 23:59:03,570 INFO L933 BasicCegarLoop]: 15693 mSDtfsCounter, 8116 mSDsluCounter, 44385 mSDsCounter, 0 mSdLazyCounter, 8350 mSolverCounterSat, 108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8116 SdHoareTripleChecker+Valid, 60078 SdHoareTripleChecker+Invalid, 8459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 8350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2021-11-22 23:59:03,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8116 Valid, 60078 Invalid, 8459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [108 Valid, 8350 Invalid, 1 Unknown, 0 Unchecked, 37.9s Time] [2021-11-22 23:59:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13448 states. [2021-11-22 23:59:03,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13448 to 5479. [2021-11-22 23:59:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5479 states, 5473 states have (on average 1.4929654668372008) internal successors, (8171), 5478 states have internal predecessors, (8171), 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) [2021-11-22 23:59:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 8171 transitions. [2021-11-22 23:59:03,735 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 8171 transitions. Word has length 87 [2021-11-22 23:59:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:59:03,737 INFO L470 AbstractCegarLoop]: Abstraction has 5479 states and 8171 transitions. [2021-11-22 23:59:03,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2021-11-22 23:59:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 8171 transitions. [2021-11-22 23:59:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:59:03,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:59:03,741 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:59:03,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 23:59:03,741 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:59:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:59:03,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1725963542, now seen corresponding path program 1 times [2021-11-22 23:59:03,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:59:03,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503236226] [2021-11-22 23:59:03,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:59:03,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:59:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:59:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:59:03,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:59:03,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503236226] [2021-11-22 23:59:03,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503236226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:59:03,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:59:03,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:59:03,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779716993] [2021-11-22 23:59:03,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:59:03,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:59:03,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:59:03,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:59:03,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:59:03,979 INFO L87 Difference]: Start difference. First operand 5479 states and 8171 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2021-11-22 23:59:11,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:13,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:21,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:28,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:59:28,738 INFO L93 Difference]: Finished difference Result 13499 states and 19909 transitions. [2021-11-22 23:59:28,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 23:59:28,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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 87 [2021-11-22 23:59:28,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:59:28,755 INFO L225 Difference]: With dead ends: 13499 [2021-11-22 23:59:28,755 INFO L226 Difference]: Without dead ends: 8038 [2021-11-22 23:59:28,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-22 23:59:28,765 INFO L933 BasicCegarLoop]: 8046 mSDtfsCounter, 4656 mSDsluCounter, 19666 mSDsCounter, 0 mSdLazyCounter, 4840 mSolverCounterSat, 240 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4656 SdHoareTripleChecker+Valid, 27712 SdHoareTripleChecker+Invalid, 5082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 4840 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-11-22 23:59:28,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4656 Valid, 27712 Invalid, 5082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 4840 Invalid, 2 Unknown, 0 Unchecked, 24.5s Time] [2021-11-22 23:59:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8038 states. [2021-11-22 23:59:28,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8038 to 5483. [2021-11-22 23:59:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5483 states, 5477 states have (on average 1.4927880226401316) internal successors, (8176), 5482 states have internal predecessors, (8176), 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) [2021-11-22 23:59:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 8176 transitions. [2021-11-22 23:59:28,889 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 8176 transitions. Word has length 87 [2021-11-22 23:59:28,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:59:28,890 INFO L470 AbstractCegarLoop]: Abstraction has 5483 states and 8176 transitions. [2021-11-22 23:59:28,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2021-11-22 23:59:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 8176 transitions. [2021-11-22 23:59:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:59:28,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:59:28,898 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:59:28,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 23:59:28,898 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:59:28,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:59:28,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1535883210, now seen corresponding path program 1 times [2021-11-22 23:59:28,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:59:28,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476681540] [2021-11-22 23:59:28,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:59:28,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:59:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:59:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:59:29,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:59:29,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476681540] [2021-11-22 23:59:29,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476681540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:59:29,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:59:29,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:59:29,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055905686] [2021-11-22 23:59:29,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:59:29,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:59:29,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:59:29,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:59:29,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:59:29,089 INFO L87 Difference]: Start difference. First operand 5483 states and 8176 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-11-22 23:59:29,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 23:59:29,186 INFO L93 Difference]: Finished difference Result 10951 states and 16337 transitions. [2021-11-22 23:59:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:59:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 88 [2021-11-22 23:59:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 23:59:29,197 INFO L225 Difference]: With dead ends: 10951 [2021-11-22 23:59:29,197 INFO L226 Difference]: Without dead ends: 5484 [2021-11-22 23:59:29,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:59:29,206 INFO L933 BasicCegarLoop]: 7109 mSDtfsCounter, 0 mSDsluCounter, 7101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14210 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 23:59:29,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14210 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 23:59:29,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5484 states. [2021-11-22 23:59:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5484 to 5484. [2021-11-22 23:59:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5484 states, 5478 states have (on average 1.4926980649872217) internal successors, (8177), 5483 states have internal predecessors, (8177), 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) [2021-11-22 23:59:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5484 states to 5484 states and 8177 transitions. [2021-11-22 23:59:29,306 INFO L78 Accepts]: Start accepts. Automaton has 5484 states and 8177 transitions. Word has length 88 [2021-11-22 23:59:29,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 23:59:29,306 INFO L470 AbstractCegarLoop]: Abstraction has 5484 states and 8177 transitions. [2021-11-22 23:59:29,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-11-22 23:59:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 5484 states and 8177 transitions. [2021-11-22 23:59:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:59:29,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 23:59:29,310 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 23:59:29,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 23:59:29,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 23:59:29,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:59:29,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2002010201, now seen corresponding path program 1 times [2021-11-22 23:59:29,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:59:29,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619419897] [2021-11-22 23:59:29,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:59:29,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:59:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:59:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:59:29,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:59:29,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619419897] [2021-11-22 23:59:29,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619419897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:59:29,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:59:29,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 23:59:29,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356500631] [2021-11-22 23:59:29,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:59:29,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 23:59:29,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:59:29,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 23:59:29,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-22 23:59:29,545 INFO L87 Difference]: Start difference. First operand 5484 states and 8177 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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) [2021-11-22 23:59:34,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:41,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:44,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:59:46,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:04,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:06,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:08,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:11,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:00:37,118 INFO L93 Difference]: Finished difference Result 20755 states and 30577 transitions. [2021-11-23 00:00:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 00:00:37,118 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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 89 [2021-11-23 00:00:37,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:00:37,154 INFO L225 Difference]: With dead ends: 20755 [2021-11-23 00:00:37,154 INFO L226 Difference]: Without dead ends: 15290 [2021-11-23 00:00:37,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-23 00:00:37,168 INFO L933 BasicCegarLoop]: 15642 mSDtfsCounter, 10021 mSDsluCounter, 57370 mSDsCounter, 0 mSdLazyCounter, 12434 mSolverCounterSat, 198 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10021 SdHoareTripleChecker+Valid, 73012 SdHoareTripleChecker+Invalid, 12638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 12434 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:00:37,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10021 Valid, 73012 Invalid, 12638 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [198 Valid, 12434 Invalid, 6 Unknown, 0 Unchecked, 67.0s Time] [2021-11-23 00:00:37,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15290 states. [2021-11-23 00:00:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15290 to 5488. [2021-11-23 00:00:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5488 states, 5482 states have (on average 1.492703392922291) internal successors, (8183), 5487 states have internal predecessors, (8183), 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) [2021-11-23 00:00:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 5488 states and 8183 transitions. [2021-11-23 00:00:37,330 INFO L78 Accepts]: Start accepts. Automaton has 5488 states and 8183 transitions. Word has length 89 [2021-11-23 00:00:37,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:00:37,330 INFO L470 AbstractCegarLoop]: Abstraction has 5488 states and 8183 transitions. [2021-11-23 00:00:37,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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) [2021-11-23 00:00:37,331 INFO L276 IsEmpty]: Start isEmpty. Operand 5488 states and 8183 transitions. [2021-11-23 00:00:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:00:37,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:00:37,334 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:00:37,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 00:00:37,335 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:00:37,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:00:37,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1054199682, now seen corresponding path program 1 times [2021-11-23 00:00:37,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:00:37,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030050795] [2021-11-23 00:00:37,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:00:37,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:00:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:00:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:00:37,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:00:37,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030050795] [2021-11-23 00:00:37,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030050795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:00:37,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:00:37,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:00:37,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961933062] [2021-11-23 00:00:37,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:00:37,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:00:37,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:00:37,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:00:37,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:00:37,531 INFO L87 Difference]: Start difference. First operand 5488 states and 8183 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-11-23 00:00:37,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:00:37,670 INFO L93 Difference]: Finished difference Result 10713 states and 16012 transitions. [2021-11-23 00:00:37,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:00:37,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 89 [2021-11-23 00:00:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:00:37,693 INFO L225 Difference]: With dead ends: 10713 [2021-11-23 00:00:37,694 INFO L226 Difference]: Without dead ends: 10705 [2021-11-23 00:00:37,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:00:37,698 INFO L933 BasicCegarLoop]: 13855 mSDtfsCounter, 7071 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7071 SdHoareTripleChecker+Valid, 20629 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:00:37,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7071 Valid, 20629 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:00:37,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10705 states. [2021-11-23 00:00:37,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10705 to 5480. [2021-11-23 00:00:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5480 states, 5478 states have (on average 1.4923329682365827) internal successors, (8175), 5479 states have internal predecessors, (8175), 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) [2021-11-23 00:00:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5480 states to 5480 states and 8175 transitions. [2021-11-23 00:00:37,835 INFO L78 Accepts]: Start accepts. Automaton has 5480 states and 8175 transitions. Word has length 89 [2021-11-23 00:00:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:00:37,836 INFO L470 AbstractCegarLoop]: Abstraction has 5480 states and 8175 transitions. [2021-11-23 00:00:37,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-11-23 00:00:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5480 states and 8175 transitions. [2021-11-23 00:00:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:00:37,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:00:37,841 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:00:37,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 00:00:37,844 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:00:37,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:00:37,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1291566881, now seen corresponding path program 1 times [2021-11-23 00:00:37,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:00:37,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959550301] [2021-11-23 00:00:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:00:37,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:00:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:00:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:00:38,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:00:38,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959550301] [2021-11-23 00:00:38,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959550301] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 00:00:38,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120850988] [2021-11-23 00:00:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:00:38,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 00:00:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 00:00:38,035 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) [2021-11-23 00:00:38,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 00:00:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:00:38,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:00:38,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:00:38,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 00:00:39,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 00:00:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:00:39,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 00:00:39,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120850988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:00:39,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 00:00:39,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2021-11-23 00:00:39,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670698069] [2021-11-23 00:00:39,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:00:39,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 00:00:39,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:00:39,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 00:00:39,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-23 00:00:39,106 INFO L87 Difference]: Start difference. First operand 5480 states and 8175 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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) [2021-11-23 00:00:46,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:48,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:00:49,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:01:03,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:01:32,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:01:32,319 INFO L93 Difference]: Finished difference Result 12126 states and 17995 transitions. [2021-11-23 00:01:32,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 00:01:32,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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 91 [2021-11-23 00:01:32,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:01:32,331 INFO L225 Difference]: With dead ends: 12126 [2021-11-23 00:01:32,331 INFO L226 Difference]: Without dead ends: 6665 [2021-11-23 00:01:32,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-23 00:01:32,338 INFO L933 BasicCegarLoop]: 7771 mSDtfsCounter, 2730 mSDsluCounter, 43247 mSDsCounter, 0 mSdLazyCounter, 8746 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 51018 SdHoareTripleChecker+Invalid, 8940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 8746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 137 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2021-11-23 00:01:32,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2730 Valid, 51018 Invalid, 8940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 8746 Invalid, 0 Unknown, 137 Unchecked, 52.7s Time] [2021-11-23 00:01:32,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6665 states. [2021-11-23 00:01:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6665 to 5857. [2021-11-23 00:01:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5857 states, 5855 states have (on average 1.4877882152006832) internal successors, (8711), 5856 states have internal predecessors, (8711), 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) [2021-11-23 00:01:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5857 states to 5857 states and 8711 transitions. [2021-11-23 00:01:32,456 INFO L78 Accepts]: Start accepts. Automaton has 5857 states and 8711 transitions. Word has length 91 [2021-11-23 00:01:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:01:32,456 INFO L470 AbstractCegarLoop]: Abstraction has 5857 states and 8711 transitions. [2021-11-23 00:01:32,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 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) [2021-11-23 00:01:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5857 states and 8711 transitions. [2021-11-23 00:01:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:01:32,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:01:32,461 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:01:32,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 00:01:32,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 00:01:32,663 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:01:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:01:32,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1772204340, now seen corresponding path program 1 times [2021-11-23 00:01:32,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:01:32,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180789291] [2021-11-23 00:01:32,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:01:32,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:01:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:01:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:01:32,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:01:32,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180789291] [2021-11-23 00:01:32,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180789291] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 00:01:32,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647401837] [2021-11-23 00:01:32,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:01:32,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 00:01:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 00:01:32,856 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) [2021-11-23 00:01:32,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 00:01:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:01:33,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:01:33,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:01:33,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 00:01:33,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 00:01:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:01:33,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 00:02:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:02:34,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647401837] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 00:02:34,549 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 00:02:34,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 18 [2021-11-23 00:02:34,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742162565] [2021-11-23 00:02:34,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 00:02:34,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 00:02:34,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:02:34,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 00:02:34,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=245, Unknown=16, NotChecked=0, Total=306 [2021-11-23 00:02:34,551 INFO L87 Difference]: Start difference. First operand 5857 states and 8711 transitions. Second operand has 18 states, 18 states have (on average 10.0) internal successors, (180), 18 states have internal predecessors, (180), 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) [2021-11-23 00:03:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:03:48,092 INFO L93 Difference]: Finished difference Result 13295 states and 19688 transitions. [2021-11-23 00:03:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 00:03:48,092 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.0) internal successors, (180), 18 states have internal predecessors, (180), 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 103 [2021-11-23 00:03:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:03:48,103 INFO L225 Difference]: With dead ends: 13295 [2021-11-23 00:03:48,103 INFO L226 Difference]: Without dead ends: 7455 [2021-11-23 00:03:48,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 94.8s TimeCoverageRelationStatistics Valid=197, Invalid=640, Unknown=33, NotChecked=0, Total=870 [2021-11-23 00:03:48,110 INFO L933 BasicCegarLoop]: 7664 mSDtfsCounter, 4279 mSDsluCounter, 83801 mSDsCounter, 0 mSdLazyCounter, 7697 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4279 SdHoareTripleChecker+Valid, 91465 SdHoareTripleChecker+Invalid, 16517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 7697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8769 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2021-11-23 00:03:48,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4279 Valid, 91465 Invalid, 16517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [51 Valid, 7697 Invalid, 0 Unknown, 8769 Unchecked, 38.8s Time] [2021-11-23 00:03:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7455 states. [2021-11-23 00:03:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7455 to 5858. [2021-11-23 00:03:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 5856 states have (on average 1.4877049180327868) internal successors, (8712), 5857 states have internal predecessors, (8712), 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) [2021-11-23 00:03:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 8712 transitions. [2021-11-23 00:03:48,233 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 8712 transitions. Word has length 103 [2021-11-23 00:03:48,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:03:48,233 INFO L470 AbstractCegarLoop]: Abstraction has 5858 states and 8712 transitions. [2021-11-23 00:03:48,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.0) internal successors, (180), 18 states have internal predecessors, (180), 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) [2021-11-23 00:03:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 8712 transitions. [2021-11-23 00:03:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:03:48,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:03:48,239 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:03:48,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 00:03:48,467 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,SelfDestructingSolverStorable9 [2021-11-23 00:03:48,467 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:03:48,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:03:48,468 INFO L85 PathProgramCache]: Analyzing trace with hash 34920667, now seen corresponding path program 1 times [2021-11-23 00:03:48,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:03:48,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109725423] [2021-11-23 00:03:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:03:48,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:03:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:03:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:03:48,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:03:48,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109725423] [2021-11-23 00:03:48,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109725423] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 00:03:48,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434247439] [2021-11-23 00:03:48,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:03:48,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 00:03:48,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 00:03:48,699 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) [2021-11-23 00:03:48,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 00:03:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:03:49,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 2011 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 00:03:49,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:03:49,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 00:03:49,609 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 00:03:49,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 00:03:49,642 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 00:03:49,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 00:03:49,670 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 00:03:49,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 00:03:49,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 00:03:49,695 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 00:03:49,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 00:03:49,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2021-11-23 00:03:49,855 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:03:49,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:03:49,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 00:03:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:03:49,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 00:04:22,322 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int)) (|ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| Int)) (<= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_si4713_g_frequency_~f#1.base| v_ArrVal_1318) c_~si4713_subdev_core_ops_group0~0.base) (+ |ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| 4)) 4294967296) 0)) is different from false [2021-11-23 00:04:22,338 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int)) (|ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| Int)) (<= (mod (select (select (store |c_#memory_int| c_~si4713_subdev_tuner_ops_group1~0.base v_ArrVal_1318) c_~si4713_subdev_core_ops_group0~0.base) (+ |ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| 4)) 4294967296) 0)) is different from false [2021-11-23 00:04:22,387 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int)) (|ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| Int)) (<= (mod (select (select (store |c_#memory_int| c_~si4713_subdev_tuner_ops_group1~0.base v_ArrVal_1318) |c_ULTIMATE.start_ldv_init_zalloc_#res#1.base|) (+ |ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| 4)) 4294967296) 0)) is different from false [2021-11-23 00:04:22,397 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int)) (|ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| Int)) (<= (mod (select (select (store |c_#memory_int| c_~si4713_subdev_tuner_ops_group1~0.base v_ArrVal_1318) |c_ULTIMATE.start_ldv_init_zalloc_~p~2#1.base|) (+ |ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| 4)) 4294967296) 0)) is different from false [2021-11-23 00:04:22,410 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1318 (Array Int Int)) (|ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| Int)) (<= (mod (select (select (store |c_#memory_int| c_~si4713_subdev_tuner_ops_group1~0.base v_ArrVal_1318) |c_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base|) (+ |ULTIMATE.start_si4713_s_ext_ctrls_~ctrls#1.offset| 4)) 4294967296) 0)) is different from false [2021-11-23 00:04:22,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-23 00:04:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2021-11-23 00:04:22,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434247439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 00:04:22,819 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 00:04:22,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 16, 15] total 32 [2021-11-23 00:04:22,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79321608] [2021-11-23 00:04:22,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 00:04:22,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-23 00:04:22,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:04:22,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-23 00:04:22,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=624, Unknown=19, NotChecked=270, Total=992 [2021-11-23 00:04:22,821 INFO L87 Difference]: Start difference. First operand 5858 states and 8712 transitions. Second operand has 32 states, 32 states have (on average 7.09375) internal successors, (227), 32 states have internal predecessors, (227), 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) [2021-11-23 00:04:40,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:05:12,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:05:13,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:06:52,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:06:52,565 INFO L93 Difference]: Finished difference Result 27549 states and 40538 transitions. [2021-11-23 00:06:52,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-23 00:06:52,565 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 7.09375) internal successors, (227), 32 states have internal predecessors, (227), 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 106 [2021-11-23 00:06:52,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:06:52,604 INFO L225 Difference]: With dead ends: 27549 [2021-11-23 00:06:52,605 INFO L226 Difference]: Without dead ends: 21709 [2021-11-23 00:06:52,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 212 SyntacticMatches, 13 SemanticMatches, 93 ConstructedPredicates, 5 IntricatePredicates, 1 DeprecatedPredicates, 2359 ImplicationChecksByTransitivity, 62.7s TimeCoverageRelationStatistics Valid=1044, Invalid=6955, Unknown=31, NotChecked=900, Total=8930 [2021-11-23 00:06:52,628 INFO L933 BasicCegarLoop]: 18923 mSDtfsCounter, 20193 mSDsluCounter, 292380 mSDsCounter, 0 mSdLazyCounter, 23611 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20193 SdHoareTripleChecker+Valid, 311303 SdHoareTripleChecker+Invalid, 100340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 23611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76235 IncrementalHoareTripleChecker+Unchecked, 117.2s IncrementalHoareTripleChecker+Time [2021-11-23 00:06:52,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20193 Valid, 311303 Invalid, 100340 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [494 Valid, 23611 Invalid, 0 Unknown, 76235 Unchecked, 117.2s Time] [2021-11-23 00:06:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21709 states. [2021-11-23 00:06:53,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21709 to 8166. [2021-11-23 00:06:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8166 states, 8164 states have (on average 1.4742773150416462) internal successors, (12036), 8165 states have internal predecessors, (12036), 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) [2021-11-23 00:06:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8166 states to 8166 states and 12036 transitions. [2021-11-23 00:06:53,085 INFO L78 Accepts]: Start accepts. Automaton has 8166 states and 12036 transitions. Word has length 106 [2021-11-23 00:06:53,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:06:53,086 INFO L470 AbstractCegarLoop]: Abstraction has 8166 states and 12036 transitions. [2021-11-23 00:06:53,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.09375) internal successors, (227), 32 states have internal predecessors, (227), 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) [2021-11-23 00:06:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8166 states and 12036 transitions. [2021-11-23 00:06:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:06:53,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:06:53,097 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:06:53,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 00:06:53,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 00:06:53,320 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-23 00:06:53,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:06:53,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2007956700, now seen corresponding path program 1 times [2021-11-23 00:06:53,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:06:53,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187747350] [2021-11-23 00:06:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:06:53,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:06:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:06:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:06:53,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:06:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187747350] [2021-11-23 00:06:53,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187747350] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 00:06:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597027362] [2021-11-23 00:06:53,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:06:53,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 00:06:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 00:06:53,587 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) [2021-11-23 00:06:53,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 00:06:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:06:54,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 00:06:54,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:06:54,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 00:06:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:06:54,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-23 00:06:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:06:54,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-23 00:06:54,883 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:54,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:06:54,952 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:54,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:06:55,009 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:55,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:06:55,068 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:55,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:06:55,139 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:55,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:06:55,208 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:55,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2021-11-23 00:06:55,255 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-23 00:06:55,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2021-11-23 00:06:55,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 00:06:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:06:55,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 00:06:55,563 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1557 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int)) (or (not (= (+ 1071884608 (select (select (store |c_#memory_int| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|)) 0)) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|))) is different from false [2021-11-23 00:06:55,676 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1557 (Array Int Int)) (v_ArrVal_1556 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18|) (not (= (+ 1071884608 (select (select (store (store |c_#memory_int| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| v_ArrVal_1556) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|)) 0)) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|))) is different from false [2021-11-23 00:06:55,989 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1557 (Array Int Int)) (v_ArrVal_1556 (Array Int Int)) (v_ArrVal_1555 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|) (not (= 0 (+ (select (select (store (store (store |c_#memory_int| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| v_ArrVal_1555) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| v_ArrVal_1556) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 1071884608))))) is different from false [2021-11-23 00:06:56,550 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| Int) (v_ArrVal_1557 (Array Int Int)) (v_ArrVal_1556 (Array Int Int)) (v_ArrVal_1555 (Array Int Int)) (v_ArrVal_1554 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20|) (not (= (+ (select (select (store (store (store (store |c_#memory_int| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| v_ArrVal_1554) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| v_ArrVal_1555) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| v_ArrVal_1556) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 1071884608) 0)) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|))) is different from false [2021-11-23 00:06:57,306 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21| Int) (v_ArrVal_1557 (Array Int Int)) (v_ArrVal_1556 (Array Int Int)) (v_ArrVal_1555 (Array Int Int)) (v_ArrVal_1554 (Array Int Int)) (v_ArrVal_1553 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19|) (not (= (+ (select (select (store (store (store (store (store |c_#memory_int| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21| v_ArrVal_1553) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| v_ArrVal_1554) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| v_ArrVal_1555) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| v_ArrVal_1556) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 1071884608) 0)) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|))) is different from false [2021-11-23 00:06:58,343 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1557 (Array Int Int)) (v_ArrVal_1556 (Array Int Int)) (v_ArrVal_1555 (Array Int Int)) (v_ArrVal_1554 (Array Int Int)) (v_ArrVal_1553 (Array Int Int)) (v_ArrVal_1552 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21| Int) (|v_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base_42| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base_42|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21|) (not (= (+ (select (select (store (store (store (store (store (store |c_#memory_int| |v_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base_42| v_ArrVal_1552) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21| v_ArrVal_1553) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| v_ArrVal_1554) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| v_ArrVal_1555) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| v_ArrVal_1556) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 1071884608) 0)) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|))) is different from false [2021-11-23 00:06:59,790 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1557 (Array Int Int)) (v_ArrVal_1556 (Array Int Int)) (v_ArrVal_1555 (Array Int Int)) (v_ArrVal_1554 (Array Int Int)) (v_ArrVal_1553 (Array Int Int)) (v_ArrVal_1552 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| Int) (v_ArrVal_1551 (Array Int Int)) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_23| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| Int) (|v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21| Int) (|v_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base_42| Int)) (or (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_23|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base_42|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19|) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21|) (not (= (+ (select (select (store (store (store (store (store (store (store |c_#memory_int| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_23| v_ArrVal_1551) |v_ULTIMATE.start_ldv_init_zalloc_#t~malloc41#1.base_42| v_ArrVal_1552) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_21| v_ArrVal_1553) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_20| v_ArrVal_1554) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_19| v_ArrVal_1555) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_18| v_ArrVal_1556) |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17| v_ArrVal_1557) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 1071884608) 0)) (<= |c_#StackHeapBarrier| |v_ULTIMATE.start_#Ultimate.meminit_#ptr#1.base_17|))) is different from false [2021-11-23 00:07:05,452 INFO L354 Elim1Store]: treesize reduction 98, result has 25.2 percent of original size [2021-11-23 00:07:05,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 85 [2021-11-23 00:07:06,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:07:06,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151126038 treesize of output 150863901 Killed by 15