./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bfd0d9ac 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-bfd0d9a [2021-11-01 15:59:04,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-01 15:59:04,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-01 15:59:04,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-01 15:59:04,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-01 15:59:04,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-01 15:59:04,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-01 15:59:04,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-01 15:59:04,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-01 15:59:04,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-01 15:59:04,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-01 15:59:04,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-01 15:59:04,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-01 15:59:04,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-01 15:59:04,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-01 15:59:04,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-01 15:59:04,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-01 15:59:04,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-01 15:59:04,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-01 15:59:04,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-01 15:59:04,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-01 15:59:04,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-01 15:59:04,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-01 15:59:04,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-01 15:59:04,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-01 15:59:04,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-01 15:59:04,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-01 15:59:04,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-01 15:59:04,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-01 15:59:04,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-01 15:59:04,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-01 15:59:04,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-01 15:59:04,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-01 15:59:04,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-01 15:59:04,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-01 15:59:04,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-01 15:59:04,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-01 15:59:04,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-01 15:59:04,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-01 15:59:04,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-01 15:59:04,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-01 15:59:04,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-01 15:59:04,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-01 15:59:04,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-01 15:59:04,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-01 15:59:04,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-01 15:59:04,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-01 15:59:04,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-01 15:59:04,226 INFO L138 SettingsManager]: * Use SBE=true [2021-11-01 15:59:04,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-01 15:59:04,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-01 15:59:04,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-01 15:59:04,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-01 15:59:04,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-01 15:59:04,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-01 15:59:04,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-01 15:59:04,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-01 15:59:04,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-01 15:59:04,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-01 15:59:04,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-01 15:59:04,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-01 15:59:04,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 15:59:04,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-01 15:59:04,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-01 15:59:04,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-01 15:59:04,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-01 15:59:04,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-01 15:59:04,229 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-01 15:59:04,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-01 15:59:04,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-01 15:59:04,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-01 15:59:04,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2021-11-01 15:59:04,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-01 15:59:04,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-01 15:59:04,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-01 15:59:04,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-01 15:59:04,478 INFO L275 PluginConnector]: CDTParser initialized [2021-11-01 15:59:04,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-01 15:59:04,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce895ec43/7bb045a608834d07bb7bf0b57f92640a/FLAGfe2929dd2 [2021-11-01 15:59:05,130 INFO L306 CDTParser]: Found 1 translation units. [2021-11-01 15:59:05,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-01 15:59:05,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce895ec43/7bb045a608834d07bb7bf0b57f92640a/FLAGfe2929dd2 [2021-11-01 15:59:05,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce895ec43/7bb045a608834d07bb7bf0b57f92640a [2021-11-01 15:59:05,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-01 15:59:05,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-01 15:59:05,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-01 15:59:05,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-01 15:59:05,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-01 15:59:05,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:59:05" (1/1) ... [2021-11-01 15:59:05,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787e463c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:05, skipping insertion in model container [2021-11-01 15:59:05,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:59:05" (1/1) ... [2021-11-01 15:59:05,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-01 15:59:05,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-01 15:59:06,107 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-01 15:59:06,108 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-01 15:59:06,442 WARN L228 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-01 15:59:07,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 15:59:08,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-01 15:59:08,143 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-11-01 15:59:08,144 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-11-01 15:59:08,153 WARN L228 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-11-01 15:59:08,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 15:59:08,522 INFO L208 MainTranslator]: Completed translation [2021-11-01 15:59:08,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08 WrapperNode [2021-11-01 15:59:08,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-01 15:59:08,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-01 15:59:08,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-01 15:59:08,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-01 15:59:08,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:08,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:08,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-01 15:59:08,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-01 15:59:08,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-01 15:59:08,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-01 15:59:08,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:08,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:08,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:08,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:09,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:09,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:09,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:09,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-01 15:59:09,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-01 15:59:09,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-01 15:59:09,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-01 15:59:09,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (1/1) ... [2021-11-01 15:59:09,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 15:59:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 15:59:09,110 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) [2021-11-01 15:59:09,120 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 [2021-11-01 15:59:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-01 15:59:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-01 15:59:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-01 15:59:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-01 15:59:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-01 16:00:33,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-01 16:00:33,121 INFO L299 CfgBuilder]: Removed 209 assume(true) statements. [2021-11-01 16:00:33,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:00:33 BoogieIcfgContainer [2021-11-01 16:00:33,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-01 16:00:33,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-01 16:00:33,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-01 16:00:33,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-01 16:00:33,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:59:05" (1/3) ... [2021-11-01 16:00:33,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e8fe29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 04:00:33, skipping insertion in model container [2021-11-01 16:00:33,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:59:08" (2/3) ... [2021-11-01 16:00:33,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e8fe29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 04:00:33, skipping insertion in model container [2021-11-01 16:00:33,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:00:33" (3/3) ... [2021-11-01 16:00:33,131 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-11-01 16:00:33,135 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-01 16:00:33,135 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-01 16:00:33,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-01 16:00:33,171 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 [2021-11-01 16:00:33,171 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-01 16:00:33,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 287 states have (on average 1.4459930313588851) internal successors, (415), 289 states have internal predecessors, (415), 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) [2021-11-01 16:00:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-01 16:00:33,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:00:33,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:00:33,192 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:00:33,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:00:33,196 INFO L85 PathProgramCache]: Analyzing trace with hash 602802782, now seen corresponding path program 1 times [2021-11-01 16:00:33,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:00:33,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654813023] [2021-11-01 16:00:33,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:00:33,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:00:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:00:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 16:00:34,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:00:34,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654813023] [2021-11-01 16:00:34,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654813023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:00:34,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 16:00:34,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-01 16:00:34,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218098964] [2021-11-01 16:00:34,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:00:34,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:00:34,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:00:34,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-01 16:00:34,195 INFO L87 Difference]: Start difference. First operand has 290 states, 287 states have (on average 1.4459930313588851) internal successors, (415), 289 states have internal predecessors, (415), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-01 16:00:36,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:00:39,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:00:42,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:00:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:00:48,159 INFO L93 Difference]: Finished difference Result 786 states and 1132 transitions. [2021-11-01 16:00:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:00:48,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-01 16:00:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:00:48,169 INFO L225 Difference]: With dead ends: 786 [2021-11-01 16:00:48,170 INFO L226 Difference]: Without dead ends: 444 [2021-11-01 16:00:48,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-01 16:00:48,176 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 295 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12537.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.09ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13746.27ms IncrementalHoareTripleChecker+Time [2021-11-01 16:00:48,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 6 Invalid, 809 Unknown, 0 Unchecked, 21.09ms Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 3 Unknown, 0 Unchecked, 13746.27ms Time] [2021-11-01 16:00:48,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-11-01 16:00:48,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 440. [2021-11-01 16:00:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 438 states have (on average 1.4406392694063928) internal successors, (631), 439 states have internal predecessors, (631), 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) [2021-11-01 16:00:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 631 transitions. [2021-11-01 16:00:48,227 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 631 transitions. Word has length 19 [2021-11-01 16:00:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:00:48,227 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 631 transitions. [2021-11-01 16:00:48,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-01 16:00:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 631 transitions. [2021-11-01 16:00:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-01 16:00:48,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:00:48,229 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:00:48,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-01 16:00:48,229 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:00:48,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:00:48,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1817339411, now seen corresponding path program 1 times [2021-11-01 16:00:48,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:00:48,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723710249] [2021-11-01 16:00:48,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:00:48,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:00:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:00:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 16:00:48,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:00:48,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723710249] [2021-11-01 16:00:48,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723710249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:00:48,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 16:00:48,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-01 16:00:48,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376878458] [2021-11-01 16:00:48,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-01 16:00:48,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:00:48,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-01 16:00:48,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-01 16:00:48,803 INFO L87 Difference]: Start difference. First operand 440 states and 631 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-01 16:00:50,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:00:54,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:00:59,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:04,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-01 16:01:07,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:01:07,721 INFO L93 Difference]: Finished difference Result 996 states and 1435 transitions. [2021-11-01 16:01:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-01 16:01:07,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-11-01 16:01:07,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:01:07,724 INFO L225 Difference]: With dead ends: 996 [2021-11-01 16:01:07,724 INFO L226 Difference]: Without dead ends: 568 [2021-11-01 16:01:07,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 118.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:01:07,728 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17417.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.82ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18745.36ms IncrementalHoareTripleChecker+Time [2021-11-01 16:01:07,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 1116 Unknown, 0 Unchecked, 13.82ms Time], IncrementalHoareTripleChecker [4 Valid, 1108 Invalid, 4 Unknown, 0 Unchecked, 18745.36ms Time] [2021-11-01 16:01:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-11-01 16:01:07,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 472. [2021-11-01 16:01:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 470 states have (on average 1.4446808510638298) internal successors, (679), 471 states have internal predecessors, (679), 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) [2021-11-01 16:01:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 679 transitions. [2021-11-01 16:01:07,754 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 679 transitions. Word has length 32 [2021-11-01 16:01:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:01:07,754 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 679 transitions. [2021-11-01 16:01:07,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-01 16:01:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 679 transitions. [2021-11-01 16:01:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-01 16:01:07,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:01:07,757 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:01:07,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-01 16:01:07,757 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:01:07,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:01:07,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2007481882, now seen corresponding path program 1 times [2021-11-01 16:01:07,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:01:07,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474420810] [2021-11-01 16:01:07,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:01:07,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:01:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:01:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 16:01:08,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:01:08,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474420810] [2021-11-01 16:01:08,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474420810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:01:08,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 16:01:08,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-01 16:01:08,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900441527] [2021-11-01 16:01:08,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:01:08,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:01:08,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:01:08,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-01 16:01:08,251 INFO L87 Difference]: Start difference. First operand 472 states and 679 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-01 16:01:10,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:14,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:18,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:23,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-01 16:01:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:01:26,110 INFO L93 Difference]: Finished difference Result 918 states and 1323 transitions. [2021-11-01 16:01:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:01:26,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-11-01 16:01:26,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:01:26,113 INFO L225 Difference]: With dead ends: 918 [2021-11-01 16:01:26,113 INFO L226 Difference]: Without dead ends: 480 [2021-11-01 16:01:26,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-01 16:01:26,115 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16169.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.25ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17768.24ms IncrementalHoareTripleChecker+Time [2021-11-01 16:01:26,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 731 Unknown, 0 Unchecked, 8.25ms Time], IncrementalHoareTripleChecker [1 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 17768.24ms Time] [2021-11-01 16:01:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-11-01 16:01:26,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2021-11-01 16:01:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 476 states have (on average 1.4390756302521008) internal successors, (685), 477 states have internal predecessors, (685), 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) [2021-11-01 16:01:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 685 transitions. [2021-11-01 16:01:26,130 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 685 transitions. Word has length 33 [2021-11-01 16:01:26,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:01:26,131 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 685 transitions. [2021-11-01 16:01:26,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-01 16:01:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 685 transitions. [2021-11-01 16:01:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-01 16:01:26,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:01:26,142 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:01:26,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-01 16:01:26,142 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:01:26,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:01:26,143 INFO L85 PathProgramCache]: Analyzing trace with hash -612844940, now seen corresponding path program 1 times [2021-11-01 16:01:26,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:01:26,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323368246] [2021-11-01 16:01:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:01:26,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:01:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:01:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 16:01:26,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:01:26,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323368246] [2021-11-01 16:01:26,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323368246] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:01:26,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172573008] [2021-11-01 16:01:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:01:26,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:01:26,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:01:26,724 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) [2021-11-01 16:01:26,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-01 16:01:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:01:29,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 9239 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-01 16:01:29,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:01:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-01 16:01:29,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:01:29,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172573008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:01:29,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:01:29,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-01 16:01:29,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372484514] [2021-11-01 16:01:29,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:01:29,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:01:29,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:01:29,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:01:29,761 INFO L87 Difference]: Start difference. First operand 478 states and 685 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-01 16:01:31,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:35,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:38,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:42,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-01 16:01:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:01:46,409 INFO L93 Difference]: Finished difference Result 818 states and 1171 transitions. [2021-11-01 16:01:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:01:46,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 37 [2021-11-01 16:01:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:01:46,413 INFO L225 Difference]: With dead ends: 818 [2021-11-01 16:01:46,413 INFO L226 Difference]: Without dead ends: 814 [2021-11-01 16:01:46,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 140.66ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:01:46,415 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 254 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15244.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.13ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16539.96ms IncrementalHoareTripleChecker+Time [2021-11-01 16:01:46,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 0 Invalid, 681 Unknown, 0 Unchecked, 7.13ms Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 4 Unknown, 0 Unchecked, 16539.96ms Time] [2021-11-01 16:01:46,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2021-11-01 16:01:46,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 810. [2021-11-01 16:01:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 808 states have (on average 1.438118811881188) internal successors, (1162), 809 states have internal predecessors, (1162), 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) [2021-11-01 16:01:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1162 transitions. [2021-11-01 16:01:46,435 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1162 transitions. Word has length 37 [2021-11-01 16:01:46,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:01:46,435 INFO L470 AbstractCegarLoop]: Abstraction has 810 states and 1162 transitions. [2021-11-01 16:01:46,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-01 16:01:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1162 transitions. [2021-11-01 16:01:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-01 16:01:46,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:01:46,438 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:01:46,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-01 16:01:46,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:01:46,656 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:01:46,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:01:46,656 INFO L85 PathProgramCache]: Analyzing trace with hash 835608604, now seen corresponding path program 1 times [2021-11-01 16:01:46,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:01:46,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484842990] [2021-11-01 16:01:46,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:01:46,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:01:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:01:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-01 16:01:47,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:01:47,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484842990] [2021-11-01 16:01:47,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484842990] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:01:47,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951371185] [2021-11-01 16:01:47,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:01:47,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:01:47,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:01:47,228 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) [2021-11-01 16:01:47,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-01 16:01:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:01:49,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 9993 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:01:49,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:01:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-01 16:01:49,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:01:49,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951371185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:01:49,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:01:49,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:01:49,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414845765] [2021-11-01 16:01:49,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:01:49,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:01:49,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:01:49,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:01:49,866 INFO L87 Difference]: Start difference. First operand 810 states and 1162 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-11-01 16:01:52,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:01:56,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:00,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:04,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-01 16:02:06,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-01 16:02:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:02:08,010 INFO L93 Difference]: Finished difference Result 1351 states and 1951 transitions. [2021-11-01 16:02:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:02:08,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 62 [2021-11-01 16:02:08,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:02:08,012 INFO L225 Difference]: With dead ends: 1351 [2021-11-01 16:02:08,012 INFO L226 Difference]: Without dead ends: 575 [2021-11-01 16:02:08,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 138.48ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:02:08,014 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16813.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.85ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18061.15ms IncrementalHoareTripleChecker+Time [2021-11-01 16:02:08,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 732 Unknown, 0 Unchecked, 6.85ms Time], IncrementalHoareTripleChecker [4 Valid, 724 Invalid, 4 Unknown, 0 Unchecked, 18061.15ms Time] [2021-11-01 16:02:08,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-11-01 16:02:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 428. [2021-11-01 16:02:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 426 states have (on average 1.460093896713615) internal successors, (622), 427 states have internal predecessors, (622), 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) [2021-11-01 16:02:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 622 transitions. [2021-11-01 16:02:08,026 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 622 transitions. Word has length 62 [2021-11-01 16:02:08,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:02:08,027 INFO L470 AbstractCegarLoop]: Abstraction has 428 states and 622 transitions. [2021-11-01 16:02:08,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-11-01 16:02:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 622 transitions. [2021-11-01 16:02:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-01 16:02:08,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:02:08,030 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:02:08,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-01 16:02:08,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:02:08,251 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:02:08,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:02:08,252 INFO L85 PathProgramCache]: Analyzing trace with hash -315610420, now seen corresponding path program 1 times [2021-11-01 16:02:08,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:02:08,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990788904] [2021-11-01 16:02:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:02:08,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:02:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:02:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-01 16:02:08,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:02:08,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990788904] [2021-11-01 16:02:08,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990788904] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:02:08,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008607250] [2021-11-01 16:02:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:02:08,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:02:08,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:02:08,806 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) [2021-11-01 16:02:08,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-01 16:02:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:02:11,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:02:11,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:02:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-01 16:02:11,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:02:11,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008607250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:02:11,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:02:11,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:02:11,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343055860] [2021-11-01 16:02:11,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:02:11,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:02:11,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:02:11,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:02:11,668 INFO L87 Difference]: Start difference. First operand 428 states and 622 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-01 16:02:13,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:18,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:22,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:02:26,428 INFO L93 Difference]: Finished difference Result 834 states and 1217 transitions. [2021-11-01 16:02:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:02:26,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 81 [2021-11-01 16:02:26,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:02:26,430 INFO L225 Difference]: With dead ends: 834 [2021-11-01 16:02:26,430 INFO L226 Difference]: Without dead ends: 440 [2021-11-01 16:02:26,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 130.76ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:02:26,432 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13415.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.36ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14703.82ms IncrementalHoareTripleChecker+Time [2021-11-01 16:02:26,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 733 Unknown, 0 Unchecked, 6.36ms Time], IncrementalHoareTripleChecker [6 Valid, 724 Invalid, 3 Unknown, 0 Unchecked, 14703.82ms Time] [2021-11-01 16:02:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-01 16:02:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-11-01 16:02:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 430 states have (on average 1.455813953488372) internal successors, (626), 431 states have internal predecessors, (626), 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) [2021-11-01 16:02:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 626 transitions. [2021-11-01 16:02:26,440 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 626 transitions. Word has length 81 [2021-11-01 16:02:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:02:26,441 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 626 transitions. [2021-11-01 16:02:26,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-01 16:02:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 626 transitions. [2021-11-01 16:02:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-01 16:02:26,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:02:26,442 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:02:26,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-01 16:02:26,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:02:26,652 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:02:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:02:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash 79441665, now seen corresponding path program 1 times [2021-11-01 16:02:26,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:02:26,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003757896] [2021-11-01 16:02:26,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:02:26,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:02:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:02:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-01 16:02:27,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:02:27,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003757896] [2021-11-01 16:02:27,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003757896] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:02:27,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344822160] [2021-11-01 16:02:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:02:27,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:02:27,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:02:27,148 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) [2021-11-01 16:02:27,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-01 16:02:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:02:29,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 10133 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:02:29,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:02:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-01 16:02:29,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:02:29,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344822160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:02:29,735 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:02:29,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:02:29,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774965877] [2021-11-01 16:02:29,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:02:29,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:02:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:02:29,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:02:29,737 INFO L87 Difference]: Start difference. First operand 432 states and 626 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) [2021-11-01 16:02:31,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:36,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:40,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:02:46,527 INFO L93 Difference]: Finished difference Result 1213 states and 1763 transitions. [2021-11-01 16:02:46,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:02:46,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 87 [2021-11-01 16:02:46,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:02:46,530 INFO L225 Difference]: With dead ends: 1213 [2021-11-01 16:02:46,530 INFO L226 Difference]: Without dead ends: 815 [2021-11-01 16:02:46,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 130.93ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:02:46,531 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 327 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15445.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.83ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16701.45ms IncrementalHoareTripleChecker+Time [2021-11-01 16:02:46,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 0 Invalid, 878 Unknown, 0 Unchecked, 6.83ms Time], IncrementalHoareTripleChecker [4 Valid, 871 Invalid, 3 Unknown, 0 Unchecked, 16701.45ms Time] [2021-11-01 16:02:46,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2021-11-01 16:02:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 434. [2021-11-01 16:02:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 432 states have (on average 1.4537037037037037) internal successors, (628), 433 states have internal predecessors, (628), 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) [2021-11-01 16:02:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 628 transitions. [2021-11-01 16:02:46,541 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 628 transitions. Word has length 87 [2021-11-01 16:02:46,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:02:46,543 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 628 transitions. [2021-11-01 16:02:46,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) [2021-11-01 16:02:46,544 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 628 transitions. [2021-11-01 16:02:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-01 16:02:46,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:02:46,545 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:02:46,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-01 16:02:46,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:02:46,759 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:02:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:02:46,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1717176800, now seen corresponding path program 1 times [2021-11-01 16:02:46,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:02:46,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540660222] [2021-11-01 16:02:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:02:46,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:02:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:02:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-01 16:02:47,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:02:47,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540660222] [2021-11-01 16:02:47,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540660222] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:02:47,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783695094] [2021-11-01 16:02:47,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:02:47,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:02:47,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:02:47,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:02:47,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-01 16:02:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:02:49,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 10136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:02:49,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:02:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-01 16:02:49,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:02:49,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783695094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:02:49,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:02:49,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:02:49,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186366622] [2021-11-01 16:02:49,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:02:49,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:02:49,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:02:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:02:49,963 INFO L87 Difference]: Start difference. First operand 434 states and 628 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) [2021-11-01 16:02:52,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:02:57,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:01,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:06,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:03:06,326 INFO L93 Difference]: Finished difference Result 852 states and 1235 transitions. [2021-11-01 16:03:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:03:06,327 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 89 [2021-11-01 16:03:06,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:03:06,328 INFO L225 Difference]: With dead ends: 852 [2021-11-01 16:03:06,328 INFO L226 Difference]: Without dead ends: 452 [2021-11-01 16:03:06,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 138.07ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:03:06,330 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14957.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.09ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16303.93ms IncrementalHoareTripleChecker+Time [2021-11-01 16:03:06,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 731 Unknown, 0 Unchecked, 5.09ms Time], IncrementalHoareTripleChecker [2 Valid, 726 Invalid, 3 Unknown, 0 Unchecked, 16303.93ms Time] [2021-11-01 16:03:06,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-11-01 16:03:06,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 436. [2021-11-01 16:03:06,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 434 states have (on average 1.4516129032258065) internal successors, (630), 435 states have internal predecessors, (630), 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) [2021-11-01 16:03:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 630 transitions. [2021-11-01 16:03:06,337 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 630 transitions. Word has length 89 [2021-11-01 16:03:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:03:06,338 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 630 transitions. [2021-11-01 16:03:06,338 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) [2021-11-01 16:03:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 630 transitions. [2021-11-01 16:03:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-01 16:03:06,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:03:06,339 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-01 16:03:06,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-01 16:03:06,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:03:06,551 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:03:06,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:03:06,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1272328852, now seen corresponding path program 1 times [2021-11-01 16:03:06,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:03:06,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285797429] [2021-11-01 16:03:06,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:03:06,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:03:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:03:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-01 16:03:07,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:03:07,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285797429] [2021-11-01 16:03:07,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285797429] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:03:07,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324655655] [2021-11-01 16:03:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:03:07,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:03:07,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:03:07,077 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:03:07,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-01 16:03:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:03:09,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 10699 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:03:09,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:03:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-01 16:03:09,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:03:09,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324655655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:03:09,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:03:09,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:03:09,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363929651] [2021-11-01 16:03:09,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:03:09,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:03:09,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:03:09,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:03:09,820 INFO L87 Difference]: Start difference. First operand 436 states and 630 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2021-11-01 16:03:12,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:17,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:21,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:26,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:03:26,292 INFO L93 Difference]: Finished difference Result 856 states and 1240 transitions. [2021-11-01 16:03:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:03:26,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 99 [2021-11-01 16:03:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:03:26,296 INFO L225 Difference]: With dead ends: 856 [2021-11-01 16:03:26,296 INFO L226 Difference]: Without dead ends: 454 [2021-11-01 16:03:26,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 140.10ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:03:26,298 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 21 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15105.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.60ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16407.72ms IncrementalHoareTripleChecker+Time [2021-11-01 16:03:26,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 0 Invalid, 732 Unknown, 0 Unchecked, 5.60ms Time], IncrementalHoareTripleChecker [4 Valid, 725 Invalid, 3 Unknown, 0 Unchecked, 16407.72ms Time] [2021-11-01 16:03:26,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-11-01 16:03:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 439. [2021-11-01 16:03:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 437 states have (on average 1.448512585812357) internal successors, (633), 438 states have internal predecessors, (633), 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) [2021-11-01 16:03:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 633 transitions. [2021-11-01 16:03:26,308 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 633 transitions. Word has length 99 [2021-11-01 16:03:26,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:03:26,308 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 633 transitions. [2021-11-01 16:03:26,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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) [2021-11-01 16:03:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 633 transitions. [2021-11-01 16:03:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-01 16:03:26,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:03:26,310 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:03:26,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-01 16:03:26,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:03:26,523 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:03:26,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:03:26,524 INFO L85 PathProgramCache]: Analyzing trace with hash 14439598, now seen corresponding path program 1 times [2021-11-01 16:03:26,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:03:26,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957463414] [2021-11-01 16:03:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:03:26,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:03:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:03:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-01 16:03:27,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:03:27,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957463414] [2021-11-01 16:03:27,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957463414] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:03:27,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683716450] [2021-11-01 16:03:27,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:03:27,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:03:27,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:03:27,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:03:27,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-01 16:03:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:03:29,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 10735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:03:29,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:03:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-01 16:03:29,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:03:29,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683716450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:03:29,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:03:29,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:03:29,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505071881] [2021-11-01 16:03:29,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:03:29,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:03:29,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:03:29,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:03:29,758 INFO L87 Difference]: Start difference. First operand 439 states and 633 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-01 16:03:32,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:36,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:40,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:44,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:03:44,907 INFO L93 Difference]: Finished difference Result 848 states and 1225 transitions. [2021-11-01 16:03:44,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:03:44,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 112 [2021-11-01 16:03:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:03:44,910 INFO L225 Difference]: With dead ends: 848 [2021-11-01 16:03:44,910 INFO L226 Difference]: Without dead ends: 443 [2021-11-01 16:03:44,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 133.64ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:03:44,911 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13811.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15096.37ms IncrementalHoareTripleChecker+Time [2021-11-01 16:03:44,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 5.21ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 15096.37ms Time] [2021-11-01 16:03:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-11-01 16:03:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 440. [2021-11-01 16:03:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 438 states have (on average 1.447488584474886) internal successors, (634), 439 states have internal predecessors, (634), 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) [2021-11-01 16:03:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 634 transitions. [2021-11-01 16:03:44,918 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 634 transitions. Word has length 112 [2021-11-01 16:03:44,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:03:44,918 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 634 transitions. [2021-11-01 16:03:44,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-01 16:03:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 634 transitions. [2021-11-01 16:03:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-01 16:03:44,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:03:44,919 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:03:44,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-01 16:03:45,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:03:45,140 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:03:45,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:03:45,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1179225109, now seen corresponding path program 1 times [2021-11-01 16:03:45,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:03:45,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508863810] [2021-11-01 16:03:45,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:03:45,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:03:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:03:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-01 16:03:45,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:03:45,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508863810] [2021-11-01 16:03:45,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508863810] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:03:45,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115315056] [2021-11-01 16:03:45,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:03:45,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:03:45,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:03:45,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:03:45,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-01 16:03:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:03:47,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 10745 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:03:47,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:03:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-01 16:03:48,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:03:48,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115315056] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:03:48,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:03:48,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:03:48,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167654412] [2021-11-01 16:03:48,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:03:48,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:03:48,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:03:48,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:03:48,276 INFO L87 Difference]: Start difference. First operand 440 states and 634 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2021-11-01 16:03:50,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:55,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:03:59,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:04:06,263 INFO L93 Difference]: Finished difference Result 1203 states and 1739 transitions. [2021-11-01 16:04:06,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:04:06,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 116 [2021-11-01 16:04:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:04:06,266 INFO L225 Difference]: With dead ends: 1203 [2021-11-01 16:04:06,266 INFO L226 Difference]: Without dead ends: 797 [2021-11-01 16:04:06,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 130.36ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:04:06,268 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 288 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16434.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.63ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17890.11ms IncrementalHoareTripleChecker+Time [2021-11-01 16:04:06,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 0 Invalid, 887 Unknown, 0 Unchecked, 7.63ms Time], IncrementalHoareTripleChecker [1 Valid, 883 Invalid, 3 Unknown, 0 Unchecked, 17890.11ms Time] [2021-11-01 16:04:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2021-11-01 16:04:06,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 441. [2021-11-01 16:04:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 439 states have (on average 1.4464692482915718) internal successors, (635), 440 states have internal predecessors, (635), 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) [2021-11-01 16:04:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 635 transitions. [2021-11-01 16:04:06,281 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 635 transitions. Word has length 116 [2021-11-01 16:04:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:04:06,281 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 635 transitions. [2021-11-01 16:04:06,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2021-11-01 16:04:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 635 transitions. [2021-11-01 16:04:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-01 16:04:06,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:04:06,283 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:04:06,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-01 16:04:06,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-01 16:04:06,500 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:04:06,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:04:06,501 INFO L85 PathProgramCache]: Analyzing trace with hash -2123130314, now seen corresponding path program 1 times [2021-11-01 16:04:06,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:04:06,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734753624] [2021-11-01 16:04:06,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:04:06,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:04:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:04:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-01 16:04:07,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:04:07,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734753624] [2021-11-01 16:04:07,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734753624] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:04:07,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554649868] [2021-11-01 16:04:07,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:04:07,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:04:07,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:04:07,095 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:04:07,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-01 16:04:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:04:09,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 10749 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:04:09,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:04:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-01 16:04:09,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:04:09,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554649868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:04:09,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:04:09,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:04:09,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764741662] [2021-11-01 16:04:09,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:04:09,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:04:09,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:04:09,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:04:09,889 INFO L87 Difference]: Start difference. First operand 441 states and 635 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2021-11-01 16:04:12,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:17,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:21,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:04:26,307 INFO L93 Difference]: Finished difference Result 855 states and 1234 transitions. [2021-11-01 16:04:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:04:26,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 118 [2021-11-01 16:04:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:04:26,309 INFO L225 Difference]: With dead ends: 855 [2021-11-01 16:04:26,309 INFO L226 Difference]: Without dead ends: 448 [2021-11-01 16:04:26,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 141.25ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:04:26,310 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14970.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16355.87ms IncrementalHoareTripleChecker+Time [2021-11-01 16:04:26,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 6.71ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 16355.87ms Time] [2021-11-01 16:04:26,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-11-01 16:04:26,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2021-11-01 16:04:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 440 states have (on average 1.4454545454545455) internal successors, (636), 441 states have internal predecessors, (636), 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) [2021-11-01 16:04:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 636 transitions. [2021-11-01 16:04:26,318 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 636 transitions. Word has length 118 [2021-11-01 16:04:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:04:26,318 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 636 transitions. [2021-11-01 16:04:26,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2021-11-01 16:04:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 636 transitions. [2021-11-01 16:04:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-01 16:04:26,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:04:26,319 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:04:26,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-01 16:04:26,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:04:26,532 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:04:26,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:04:26,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1806303927, now seen corresponding path program 1 times [2021-11-01 16:04:26,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:04:26,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237616558] [2021-11-01 16:04:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:04:26,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:04:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:04:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-01 16:04:27,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:04:27,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237616558] [2021-11-01 16:04:27,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237616558] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:04:27,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996929147] [2021-11-01 16:04:27,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:04:27,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:04:27,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:04:27,006 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:04:27,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-01 16:04:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:04:29,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 10755 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:04:29,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:04:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-01 16:04:29,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:04:29,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996929147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:04:29,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:04:29,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:04:29,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699310539] [2021-11-01 16:04:29,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:04:29,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:04:29,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:04:29,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:04:29,603 INFO L87 Difference]: Start difference. First operand 442 states and 636 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2021-11-01 16:04:31,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:37,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:40,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:04:45,036 INFO L93 Difference]: Finished difference Result 855 states and 1233 transitions. [2021-11-01 16:04:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:04:45,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 121 [2021-11-01 16:04:45,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:04:45,037 INFO L225 Difference]: With dead ends: 855 [2021-11-01 16:04:45,037 INFO L226 Difference]: Without dead ends: 447 [2021-11-01 16:04:45,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 129.15ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:04:45,044 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14069.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15374.95ms IncrementalHoareTripleChecker+Time [2021-11-01 16:04:45,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 7.04ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 15374.95ms Time] [2021-11-01 16:04:45,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-11-01 16:04:45,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2021-11-01 16:04:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 441 states have (on average 1.4444444444444444) internal successors, (637), 442 states have internal predecessors, (637), 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) [2021-11-01 16:04:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 637 transitions. [2021-11-01 16:04:45,051 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 637 transitions. Word has length 121 [2021-11-01 16:04:45,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:04:45,052 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 637 transitions. [2021-11-01 16:04:45,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2021-11-01 16:04:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 637 transitions. [2021-11-01 16:04:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-01 16:04:45,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:04:45,053 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:04:45,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-01 16:04:45,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-01 16:04:45,267 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:04:45,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:04:45,268 INFO L85 PathProgramCache]: Analyzing trace with hash -209511718, now seen corresponding path program 1 times [2021-11-01 16:04:45,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:04:45,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629527217] [2021-11-01 16:04:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:04:45,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:04:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:04:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-01 16:04:45,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:04:45,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629527217] [2021-11-01 16:04:45,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629527217] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:04:45,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604891978] [2021-11-01 16:04:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:04:45,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:04:45,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:04:45,740 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:04:45,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-01 16:04:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:04:48,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 10767 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-01 16:04:48,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:04:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-01 16:04:48,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:04:48,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604891978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:04:48,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:04:48,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:04:48,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785030697] [2021-11-01 16:04:48,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:04:48,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:04:48,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:04:48,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:04:48,349 INFO L87 Difference]: Start difference. First operand 443 states and 637 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2021-11-01 16:04:50,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:55,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:04:59,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:03,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-01 16:05:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:05:05,500 INFO L93 Difference]: Finished difference Result 854 states and 1230 transitions. [2021-11-01 16:05:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:05:05,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 126 [2021-11-01 16:05:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:05:05,501 INFO L225 Difference]: With dead ends: 854 [2021-11-01 16:05:05,501 INFO L226 Difference]: Without dead ends: 445 [2021-11-01 16:05:05,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 136.69ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:05:05,503 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15740.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17095.11ms IncrementalHoareTripleChecker+Time [2021-11-01 16:05:05,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 729 Unknown, 0 Unchecked, 6.46ms Time], IncrementalHoareTripleChecker [0 Valid, 725 Invalid, 4 Unknown, 0 Unchecked, 17095.11ms Time] [2021-11-01 16:05:05,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2021-11-01 16:05:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2021-11-01 16:05:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 442 states have (on average 1.4434389140271493) internal successors, (638), 443 states have internal predecessors, (638), 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) [2021-11-01 16:05:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 638 transitions. [2021-11-01 16:05:05,509 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 638 transitions. Word has length 126 [2021-11-01 16:05:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:05:05,510 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 638 transitions. [2021-11-01 16:05:05,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2021-11-01 16:05:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 638 transitions. [2021-11-01 16:05:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-01 16:05:05,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:05:05,511 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:05:05,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-01 16:05:05,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-01 16:05:05,737 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:05:05,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:05:05,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2111075542, now seen corresponding path program 1 times [2021-11-01 16:05:05,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:05:05,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129070650] [2021-11-01 16:05:05,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:05:05,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:05:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:05:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-01 16:05:06,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:05:06,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129070650] [2021-11-01 16:05:06,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129070650] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:05:06,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245315757] [2021-11-01 16:05:06,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:05:06,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:05:06,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:05:06,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:05:06,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-01 16:05:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:05:08,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 10851 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-01 16:05:08,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:05:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-01 16:05:09,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:05:09,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245315757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:05:09,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:05:09,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-01 16:05:09,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162694633] [2021-11-01 16:05:09,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:05:09,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:05:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:05:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:05:09,490 INFO L87 Difference]: Start difference. First operand 444 states and 638 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2021-11-01 16:05:11,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:16,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:20,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:28,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:05:28,757 INFO L93 Difference]: Finished difference Result 1244 states and 1791 transitions. [2021-11-01 16:05:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:05:28,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 144 [2021-11-01 16:05:28,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:05:28,760 INFO L225 Difference]: With dead ends: 1244 [2021-11-01 16:05:28,760 INFO L226 Difference]: Without dead ends: 834 [2021-11-01 16:05:28,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 128.16ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:05:28,761 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 321 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17633.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.23ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19171.17ms IncrementalHoareTripleChecker+Time [2021-11-01 16:05:28,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 0 Invalid, 1025 Unknown, 0 Unchecked, 6.23ms Time], IncrementalHoareTripleChecker [4 Valid, 1018 Invalid, 3 Unknown, 0 Unchecked, 19171.17ms Time] [2021-11-01 16:05:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2021-11-01 16:05:28,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 450. [2021-11-01 16:05:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 448 states have (on average 1.4419642857142858) internal successors, (646), 449 states have internal predecessors, (646), 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) [2021-11-01 16:05:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 646 transitions. [2021-11-01 16:05:28,771 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 646 transitions. Word has length 144 [2021-11-01 16:05:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:05:28,771 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 646 transitions. [2021-11-01 16:05:28,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2021-11-01 16:05:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 646 transitions. [2021-11-01 16:05:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-01 16:05:28,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 16:05:28,773 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:05:28,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-01 16:05:28,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-01 16:05:28,988 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 16:05:28,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 16:05:28,988 INFO L85 PathProgramCache]: Analyzing trace with hash 231944596, now seen corresponding path program 1 times [2021-11-01 16:05:28,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 16:05:28,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618565437] [2021-11-01 16:05:28,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:05:28,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 16:05:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:05:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-01 16:05:29,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 16:05:29,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618565437] [2021-11-01 16:05:29,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618565437] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-01 16:05:29,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80045749] [2021-11-01 16:05:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 16:05:29,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-01 16:05:29,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 16:05:29,480 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-01 16:05:29,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-01 16:05:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 16:05:31,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 10852 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-01 16:05:31,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 16:05:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-01 16:05:34,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-01 16:05:34,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80045749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 16:05:34,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-01 16:05:34,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-01 16:05:34,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372133393] [2021-11-01 16:05:34,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-01 16:05:34,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 16:05:34,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-01 16:05:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:05:34,492 INFO L87 Difference]: Start difference. First operand 450 states and 646 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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) [2021-11-01 16:05:36,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:40,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:43,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-01 16:05:46,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 16:05:46,563 INFO L93 Difference]: Finished difference Result 450 states and 646 transitions. [2021-11-01 16:05:46,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-01 16:05:46,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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 144 [2021-11-01 16:05:46,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 16:05:46,563 INFO L225 Difference]: With dead ends: 450 [2021-11-01 16:05:46,563 INFO L226 Difference]: Without dead ends: 0 [2021-11-01 16:05:46,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 138.49ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-01 16:05:46,564 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 215 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10719.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.17ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12017.17ms IncrementalHoareTripleChecker+Time [2021-11-01 16:05:46,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 0 Invalid, 372 Unknown, 0 Unchecked, 2.17ms Time], IncrementalHoareTripleChecker [2 Valid, 367 Invalid, 3 Unknown, 0 Unchecked, 12017.17ms Time] [2021-11-01 16:05:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-01 16:05:46,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-01 16:05:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-01 16:05:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-01 16:05:46,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2021-11-01 16:05:46,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 16:05:46,565 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-01 16:05:46,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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) [2021-11-01 16:05:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-01 16:05:46,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-01 16:05:46,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-01 16:05:46,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-01 16:05:46,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-01 16:05:46,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-01 16:05:46,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-01 16:05:46,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:46,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-01 16:05:48,982 INFO L861 garLoopResultBuilder]: At program point L13116(lines 1 13968) the Hoare annotation is: true [2021-11-01 16:05:48,982 INFO L858 garLoopResultBuilder]: For program point L13182(lines 13182 13185) no Hoare annotation was computed. [2021-11-01 16:05:48,982 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5933) no Hoare annotation was computed. [2021-11-01 16:05:48,982 INFO L858 garLoopResultBuilder]: For program point L7501(lines 7501 7573) no Hoare annotation was computed. [2021-11-01 16:05:48,982 INFO L858 garLoopResultBuilder]: For program point L7237-1(lines 7237 7240) no Hoare annotation was computed. [2021-11-01 16:05:48,982 INFO L858 garLoopResultBuilder]: For program point L11928(lines 11928 11934) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L7502(line 7502) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L7371(lines 7371 7374) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L7371-2(lines 7371 7374) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L7305(lines 7305 7308) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L854 garLoopResultBuilder]: At program point L13912(lines 13911 13913) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L7504(line 7504) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L10609(lines 10609 10613) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L11931(lines 11931 11934) no Hoare annotation was computed. [2021-11-01 16:05:48,983 INFO L858 garLoopResultBuilder]: For program point L13054(lines 13054 13058) no Hoare annotation was computed. [2021-11-01 16:05:48,984 INFO L854 garLoopResultBuilder]: At program point L13847(lines 13846 13848) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,984 INFO L858 garLoopResultBuilder]: For program point L11931-2(lines 11928 11934) no Hoare annotation was computed. [2021-11-01 16:05:48,984 INFO L854 garLoopResultBuilder]: At program point L13847-1(lines 13846 13848) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,984 INFO L858 garLoopResultBuilder]: For program point L7571(line 7571) no Hoare annotation was computed. [2021-11-01 16:05:48,984 INFO L854 garLoopResultBuilder]: At program point L11799(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,984 INFO L858 garLoopResultBuilder]: For program point L7505(lines 7505 7508) no Hoare annotation was computed. [2021-11-01 16:05:48,984 INFO L861 garLoopResultBuilder]: At program point L13187(lines 13179 13189) the Hoare annotation is: true [2021-11-01 16:05:48,984 INFO L861 garLoopResultBuilder]: At program point L13915(lines 13914 13916) the Hoare annotation is: true [2021-11-01 16:05:48,985 INFO L854 garLoopResultBuilder]: At program point L5789-2(lines 5784 5791) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,985 INFO L861 garLoopResultBuilder]: At program point L5789-3(lines 5784 5791) the Hoare annotation is: true [2021-11-01 16:05:48,985 INFO L854 garLoopResultBuilder]: At program point L5789(lines 5784 5791) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,985 INFO L854 garLoopResultBuilder]: At program point L5789-1(lines 5784 5791) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,985 INFO L854 garLoopResultBuilder]: At program point L13056(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,985 INFO L854 garLoopResultBuilder]: At program point L11801(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,985 INFO L858 garLoopResultBuilder]: For program point L11339(lines 11339 11342) no Hoare annotation was computed. [2021-11-01 16:05:48,985 INFO L858 garLoopResultBuilder]: For program point L11339-2(lines 11339 11342) no Hoare annotation was computed. [2021-11-01 16:05:48,985 INFO L854 garLoopResultBuilder]: At program point L13850(lines 7581 7588) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,986 INFO L854 garLoopResultBuilder]: At program point L7574(lines 7488 7579) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,986 INFO L858 garLoopResultBuilder]: For program point L13784(lines 13784 13787) no Hoare annotation was computed. [2021-11-01 16:05:48,986 INFO L858 garLoopResultBuilder]: For program point L7376-2(lines 7376 7379) no Hoare annotation was computed. [2021-11-01 16:05:48,986 INFO L858 garLoopResultBuilder]: For program point L7376(lines 7376 7379) no Hoare annotation was computed. [2021-11-01 16:05:48,986 INFO L861 garLoopResultBuilder]: At program point L10614(lines 10606 10616) the Hoare annotation is: true [2021-11-01 16:05:48,986 INFO L854 garLoopResultBuilder]: At program point L11671(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,986 INFO L854 garLoopResultBuilder]: At program point L11804(lines 11728 11806) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,986 INFO L854 garLoopResultBuilder]: At program point L9756(lines 9752 9758) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,987 INFO L858 garLoopResultBuilder]: For program point L7510(line 7510) no Hoare annotation was computed. [2021-11-01 16:05:48,987 INFO L854 garLoopResultBuilder]: At program point L7312(lines 7297 7318) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,987 INFO L854 garLoopResultBuilder]: At program point L13060(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,987 INFO L854 garLoopResultBuilder]: At program point L13853(lines 13852 13854) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,987 INFO L858 garLoopResultBuilder]: For program point L11937(lines 11937 11943) no Hoare annotation was computed. [2021-11-01 16:05:48,987 INFO L858 garLoopResultBuilder]: For program point L7511(lines 7511 7543) no Hoare annotation was computed. [2021-11-01 16:05:48,987 INFO L854 garLoopResultBuilder]: At program point L11673(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,987 INFO L854 garLoopResultBuilder]: At program point L11343(lines 11318 11345) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,987 INFO L861 garLoopResultBuilder]: At program point L7578(lines 7481 7580) the Hoare annotation is: true [2021-11-01 16:05:48,988 INFO L854 garLoopResultBuilder]: At program point L7314(lines 7297 7318) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,988 INFO L854 garLoopResultBuilder]: At program point L13062(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L7513(lines 7513 7540) no Hoare annotation was computed. [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L11940(lines 11940 11943) no Hoare annotation was computed. [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L11940-2(lines 11937 11943) no Hoare annotation was computed. [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L7514(line 7514) no Hoare annotation was computed. [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L11280-3(lines 11280 11285) no Hoare annotation was computed. [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L11280-5(lines 11280 11285) no Hoare annotation was computed. [2021-11-01 16:05:48,988 INFO L858 garLoopResultBuilder]: For program point L11280(lines 11280 11285) no Hoare annotation was computed. [2021-11-01 16:05:48,989 INFO L858 garLoopResultBuilder]: For program point L11280-2(lines 11280 11285) no Hoare annotation was computed. [2021-11-01 16:05:48,989 INFO L854 garLoopResultBuilder]: At program point L5929(lines 13758 13767) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,989 INFO L854 garLoopResultBuilder]: At program point L5929-1(lines 13781 13790) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,989 INFO L854 garLoopResultBuilder]: At program point L5797(lines 5793 5799) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,989 INFO L861 garLoopResultBuilder]: At program point L5797-1(lines 5793 5799) the Hoare annotation is: true [2021-11-01 16:05:48,989 INFO L854 garLoopResultBuilder]: At program point L13659(lines 13655 13661) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,989 INFO L858 garLoopResultBuilder]: For program point L11743-2(lines 11743 11746) no Hoare annotation was computed. [2021-11-01 16:05:48,989 INFO L858 garLoopResultBuilder]: For program point L11611(lines 11611 11614) no Hoare annotation was computed. [2021-11-01 16:05:48,989 INFO L854 garLoopResultBuilder]: At program point L7713(lines 7708 7715) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,990 INFO L858 garLoopResultBuilder]: For program point L7515(lines 7515 7520) no Hoare annotation was computed. [2021-11-01 16:05:48,990 INFO L858 garLoopResultBuilder]: For program point L11743(lines 11743 11746) no Hoare annotation was computed. [2021-11-01 16:05:48,990 INFO L858 garLoopResultBuilder]: For program point L11611-3(lines 11611 11614) no Hoare annotation was computed. [2021-11-01 16:05:48,990 INFO L858 garLoopResultBuilder]: For program point L11611-2(lines 11611 11614) no Hoare annotation was computed. [2021-11-01 16:05:48,990 INFO L858 garLoopResultBuilder]: For program point L11611-5(lines 11611 11614) no Hoare annotation was computed. [2021-11-01 16:05:48,990 INFO L854 garLoopResultBuilder]: At program point L7317(lines 7271 7361) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,990 INFO L854 garLoopResultBuilder]: At program point L10622-1(lines 10617 10624) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,990 INFO L854 garLoopResultBuilder]: At program point L10622(lines 10617 10624) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,991 INFO L858 garLoopResultBuilder]: For program point L7253-2(lines 7253 7256) no Hoare annotation was computed. [2021-11-01 16:05:48,991 INFO L858 garLoopResultBuilder]: For program point L7253(lines 7253 7256) no Hoare annotation was computed. [2021-11-01 16:05:48,991 INFO L858 garLoopResultBuilder]: For program point L5932-1(line 5932) no Hoare annotation was computed. [2021-11-01 16:05:48,991 INFO L858 garLoopResultBuilder]: For program point L5932(line 5932) no Hoare annotation was computed. [2021-11-01 16:05:48,991 INFO L861 garLoopResultBuilder]: At program point L13860(lines 13859 13861) the Hoare annotation is: true [2021-11-01 16:05:48,991 INFO L861 garLoopResultBuilder]: At program point L13795(lines 13791 13797) the Hoare annotation is: true [2021-11-01 16:05:48,991 INFO L858 garLoopResultBuilder]: For program point L11946(lines 11946 11952) no Hoare annotation was computed. [2021-11-01 16:05:48,991 INFO L854 garLoopResultBuilder]: At program point L11748(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,991 INFO L854 garLoopResultBuilder]: At program point L11682(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,992 INFO L861 garLoopResultBuilder]: At program point L5804-1(lines 5801 5806) the Hoare annotation is: true [2021-11-01 16:05:48,992 INFO L854 garLoopResultBuilder]: At program point L13071(lines 13021 13073) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,992 INFO L861 garLoopResultBuilder]: At program point L5804(lines 5801 5806) the Hoare annotation is: true [2021-11-01 16:05:48,992 INFO L854 garLoopResultBuilder]: At program point L11684(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,992 INFO L858 garLoopResultBuilder]: For program point L7522(line 7522) no Hoare annotation was computed. [2021-11-01 16:05:48,992 INFO L854 garLoopResultBuilder]: At program point L11750(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,992 INFO L858 garLoopResultBuilder]: For program point L11949(lines 11949 11952) no Hoare annotation was computed. [2021-11-01 16:05:48,992 INFO L858 garLoopResultBuilder]: For program point L11949-2(lines 11946 11952) no Hoare annotation was computed. [2021-11-01 16:05:48,992 INFO L854 garLoopResultBuilder]: At program point L11619-1(lines 11346 11621) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,993 INFO L854 garLoopResultBuilder]: At program point L11619(lines 11346 11621) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L7523(lines 7523 7536) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L11289-1(lines 11289 11292) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L11289(lines 11289 11292) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L5872-1(lines 5872 5874) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L5872-2(lines 5872 5874) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L5872(lines 5872 5874) no Hoare annotation was computed. [2021-11-01 16:05:48,993 INFO L858 garLoopResultBuilder]: For program point L5872-5(lines 5872 5874) no Hoare annotation was computed. [2021-11-01 16:05:48,994 INFO L858 garLoopResultBuilder]: For program point L5872-3(lines 5872 5874) no Hoare annotation was computed. [2021-11-01 16:05:48,994 INFO L858 garLoopResultBuilder]: For program point L5872-4(lines 5872 5874) no Hoare annotation was computed. [2021-11-01 16:05:48,994 INFO L858 garLoopResultBuilder]: For program point L13140(lines 13140 13144) no Hoare annotation was computed. [2021-11-01 16:05:48,994 INFO L861 garLoopResultBuilder]: At program point L5939(lines 5938 5941) the Hoare annotation is: true [2021-11-01 16:05:48,994 INFO L861 garLoopResultBuilder]: At program point L5939-1(lines 5938 5941) the Hoare annotation is: true [2021-11-01 16:05:48,994 INFO L858 garLoopResultBuilder]: For program point L5873-2(line 5873) no Hoare annotation was computed. [2021-11-01 16:05:48,994 INFO L858 garLoopResultBuilder]: For program point L5873(line 5873) no Hoare annotation was computed. [2021-11-01 16:05:48,994 INFO L861 garLoopResultBuilder]: At program point L5939-2(lines 5938 5941) the Hoare annotation is: true [2021-11-01 16:05:48,994 INFO L858 garLoopResultBuilder]: For program point L5873-6(line 5873) no Hoare annotation was computed. [2021-11-01 16:05:48,995 INFO L858 garLoopResultBuilder]: For program point L5873-4(line 5873) no Hoare annotation was computed. [2021-11-01 16:05:48,995 INFO L858 garLoopResultBuilder]: For program point L5873-10(line 5873) no Hoare annotation was computed. [2021-11-01 16:05:48,995 INFO L858 garLoopResultBuilder]: For program point L5873-8(line 5873) no Hoare annotation was computed. [2021-11-01 16:05:48,995 INFO L858 garLoopResultBuilder]: For program point L7525-2(lines 7523 7535) no Hoare annotation was computed. [2021-11-01 16:05:48,995 INFO L854 garLoopResultBuilder]: At program point L11687(line 7332) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,995 INFO L858 garLoopResultBuilder]: For program point L7525(lines 7525 7529) no Hoare annotation was computed. [2021-11-01 16:05:48,995 INFO L854 garLoopResultBuilder]: At program point L13802(lines 13798 13804) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,995 INFO L861 garLoopResultBuilder]: At program point L7724(lines 7716 7726) the Hoare annotation is: true [2021-11-01 16:05:48,996 INFO L854 garLoopResultBuilder]: At program point L7262(lines 7188 7264) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,996 INFO L858 garLoopResultBuilder]: For program point L11821(lines 11821 11824) no Hoare annotation was computed. [2021-11-01 16:05:48,996 INFO L854 garLoopResultBuilder]: At program point L11755(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,996 INFO L858 garLoopResultBuilder]: For program point L11821-2(lines 11812 11843) no Hoare annotation was computed. [2021-11-01 16:05:48,996 INFO L854 garLoopResultBuilder]: At program point L12945(lines 12941 12947) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,996 INFO L858 garLoopResultBuilder]: For program point L7198(line 7198) no Hoare annotation was computed. [2021-11-01 16:05:48,996 INFO L854 garLoopResultBuilder]: At program point L11294-1(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,996 INFO L854 garLoopResultBuilder]: At program point L11294(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,997 INFO L858 garLoopResultBuilder]: For program point L7198-2(lines 7198 7201) no Hoare annotation was computed. [2021-11-01 16:05:48,997 INFO L858 garLoopResultBuilder]: For program point L11955(lines 11955 11961) no Hoare annotation was computed. [2021-11-01 16:05:48,997 INFO L854 garLoopResultBuilder]: At program point L11757(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,997 INFO L861 garLoopResultBuilder]: At program point L13871(lines 13870 13872) the Hoare annotation is: true [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L7332-1(line 7332) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L854 garLoopResultBuilder]: At program point L13146(lines 13130 13148) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L854 garLoopResultBuilder]: At program point L11296(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L854 garLoopResultBuilder]: At program point L11296-1(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5933) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L11825-1(lines 11825 11828) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L7333-2(line 7333) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L858 garLoopResultBuilder]: For program point L7333(line 7333) no Hoare annotation was computed. [2021-11-01 16:05:48,998 INFO L854 garLoopResultBuilder]: At program point L5946(lines 5943 5948) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-11-01 16:05:48,999 INFO L858 garLoopResultBuilder]: For program point L11958-2(lines 11955 11961) no Hoare annotation was computed. [2021-11-01 16:05:48,999 INFO L854 garLoopResultBuilder]: At program point L5946-3(lines 5943 5948) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,999 INFO L854 garLoopResultBuilder]: At program point L5946-1(lines 5943 5948) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,999 INFO L854 garLoopResultBuilder]: At program point L5946-2(lines 5943 5948) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:48,999 INFO L858 garLoopResultBuilder]: For program point L11958(lines 11958 11961) no Hoare annotation was computed. [2021-11-01 16:05:48,999 INFO L861 garLoopResultBuilder]: At program point L7532(lines 1 13968) the Hoare annotation is: true [2021-11-01 16:05:49,000 INFO L854 garLoopResultBuilder]: At program point L6013(lines 6005 6015) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,000 INFO L854 garLoopResultBuilder]: At program point L5815(lines 5812 5817) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,000 INFO L854 garLoopResultBuilder]: At program point L5815-1(lines 5812 5817) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,000 INFO L854 garLoopResultBuilder]: At program point L11299-1(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,000 INFO L854 garLoopResultBuilder]: At program point L11299(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,000 INFO L854 garLoopResultBuilder]: At program point L11300-2(lines 11264 11302) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,000 INFO L858 garLoopResultBuilder]: For program point L11300-1(line 11300) no Hoare annotation was computed. [2021-11-01 16:05:49,000 INFO L858 garLoopResultBuilder]: For program point L7204(lines 7204 7208) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L11300-4(line 11300) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L854 garLoopResultBuilder]: At program point L11300-5(lines 11264 11302) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L11631-3(lines 11631 11634) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L11631-5(lines 11631 11634) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L11631-1(lines 11631 11634) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L854 garLoopResultBuilder]: At program point L7337(lines 7337 7340) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L11631-7(lines 11631 11634) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L5884-1(lines 5884 5892) no Hoare annotation was computed. [2021-11-01 16:05:49,001 INFO L858 garLoopResultBuilder]: For program point L5884(lines 5884 5892) no Hoare annotation was computed. [2021-11-01 16:05:49,002 INFO L858 garLoopResultBuilder]: For program point L11764(lines 11764 11767) no Hoare annotation was computed. [2021-11-01 16:05:49,002 INFO L858 garLoopResultBuilder]: For program point L11698(lines 11698 11724) no Hoare annotation was computed. [2021-11-01 16:05:49,002 INFO L858 garLoopResultBuilder]: For program point L11764-2(lines 11764 11767) no Hoare annotation was computed. [2021-11-01 16:05:49,002 INFO L854 garLoopResultBuilder]: At program point L11698-2(lines 11690 11727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,002 INFO L854 garLoopResultBuilder]: At program point L13879(lines 13878 13880) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,002 INFO L854 garLoopResultBuilder]: At program point L11831(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,002 INFO L858 garLoopResultBuilder]: For program point L11964(lines 11964 11970) no Hoare annotation was computed. [2021-11-01 16:05:49,003 INFO L858 garLoopResultBuilder]: For program point L7538(line 7538) no Hoare annotation was computed. [2021-11-01 16:05:49,003 INFO L854 garLoopResultBuilder]: At program point L11833(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,003 INFO L858 garLoopResultBuilder]: For program point L7209-2(lines 7209 7212) no Hoare annotation was computed. [2021-11-01 16:05:49,003 INFO L858 garLoopResultBuilder]: For program point L7209(lines 7209 7212) no Hoare annotation was computed. [2021-11-01 16:05:49,003 INFO L854 garLoopResultBuilder]: At program point L10182(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,004 INFO L854 garLoopResultBuilder]: At program point L11636(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,004 INFO L854 garLoopResultBuilder]: At program point L11636-2(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,004 INFO L854 garLoopResultBuilder]: At program point L11636-1(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,004 INFO L854 garLoopResultBuilder]: At program point L11636-3(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,004 INFO L858 garLoopResultBuilder]: For program point L7276(lines 7276 7318) no Hoare annotation was computed. [2021-11-01 16:05:49,004 INFO L858 garLoopResultBuilder]: For program point L10183(lines 10183 10186) no Hoare annotation was computed. [2021-11-01 16:05:49,004 INFO L854 garLoopResultBuilder]: At program point L13883(lines 13882 13884) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,004 INFO L858 garLoopResultBuilder]: For program point L11901(lines 11901 11907) no Hoare annotation was computed. [2021-11-01 16:05:49,005 INFO L858 garLoopResultBuilder]: For program point L11967-2(lines 11964 11970) no Hoare annotation was computed. [2021-11-01 16:05:49,005 INFO L858 garLoopResultBuilder]: For program point L11967(lines 11967 11970) no Hoare annotation was computed. [2021-11-01 16:05:49,005 INFO L858 garLoopResultBuilder]: For program point L7343(lines 7343 7347) no Hoare annotation was computed. [2021-11-01 16:05:49,005 INFO L858 garLoopResultBuilder]: For program point L7277(lines 7277 7282) no Hoare annotation was computed. [2021-11-01 16:05:49,005 INFO L854 garLoopResultBuilder]: At program point L10184(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,005 INFO L854 garLoopResultBuilder]: At program point L11638-2(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,005 INFO L854 garLoopResultBuilder]: At program point L11638-1(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,005 INFO L854 garLoopResultBuilder]: At program point L11638-3(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,005 INFO L854 garLoopResultBuilder]: At program point L11638(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L6023(lines 6016 6025) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L858 garLoopResultBuilder]: For program point L13092(lines 13092 13095) no Hoare annotation was computed. [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L5891(lines 5877 5894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L5891-1(lines 5877 5894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11837(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L858 garLoopResultBuilder]: For program point L11771(lines 11771 11774) no Hoare annotation was computed. [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11706(lines 11698 11711) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L13886-1(lines 13885 13887) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L858 garLoopResultBuilder]: For program point L11904(lines 11904 11907) no Hoare annotation was computed. [2021-11-01 16:05:49,006 INFO L858 garLoopResultBuilder]: For program point L11904-2(lines 11901 11907) no Hoare annotation was computed. [2021-11-01 16:05:49,006 INFO L858 garLoopResultBuilder]: For program point L13028(lines 13028 13031) no Hoare annotation was computed. [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11839(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L858 garLoopResultBuilder]: For program point L7545(line 7545) no Hoare annotation was computed. [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11641-1(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11641(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11641-3(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,006 INFO L854 garLoopResultBuilder]: At program point L11641-2(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,007 INFO L858 garLoopResultBuilder]: For program point L11311-2(lines 11307 11316) no Hoare annotation was computed. [2021-11-01 16:05:49,007 INFO L854 garLoopResultBuilder]: At program point L10188(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,007 INFO L858 garLoopResultBuilder]: For program point L11311(lines 11311 11314) no Hoare annotation was computed. [2021-11-01 16:05:49,007 INFO L854 garLoopResultBuilder]: At program point L11708(lines 11698 11711) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,007 INFO L858 garLoopResultBuilder]: For program point L10189(lines 10189 10192) no Hoare annotation was computed. [2021-11-01 16:05:49,007 INFO L854 garLoopResultBuilder]: At program point L11973(lines 11872 11979) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,007 INFO L858 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2021-11-01 16:05:49,007 INFO L858 garLoopResultBuilder]: For program point L7283(lines 7283 7288) no Hoare annotation was computed. [2021-11-01 16:05:49,007 INFO L858 garLoopResultBuilder]: For program point L7349(lines 7349 7353) no Hoare annotation was computed. [2021-11-01 16:05:49,007 INFO L854 garLoopResultBuilder]: At program point L10190(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L854 garLoopResultBuilder]: At program point L11842(lines 7337 7340) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L854 garLoopResultBuilder]: At program point L11776(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L858 garLoopResultBuilder]: For program point L7548(lines 7548 7551) no Hoare annotation was computed. [2021-11-01 16:05:49,008 INFO L854 garLoopResultBuilder]: At program point L13957(lines 13956 13958) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L854 garLoopResultBuilder]: At program point L11975(lines 11872 11979) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L858 garLoopResultBuilder]: For program point L11315-1(line 11315) no Hoare annotation was computed. [2021-11-01 16:05:49,008 INFO L854 garLoopResultBuilder]: At program point L11315-2(lines 11303 11317) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L854 garLoopResultBuilder]: At program point L11778(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,008 INFO L858 garLoopResultBuilder]: For program point L11910(lines 11910 11916) no Hoare annotation was computed. [2021-11-01 16:05:49,009 INFO L858 garLoopResultBuilder]: For program point L13034(lines 13034 13037) no Hoare annotation was computed. [2021-11-01 16:05:49,009 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-01 16:05:49,009 INFO L858 garLoopResultBuilder]: For program point L13761(lines 13761 13764) no Hoare annotation was computed. [2021-11-01 16:05:49,009 INFO L854 garLoopResultBuilder]: At program point L11978(lines 11866 11980) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,009 INFO L854 garLoopResultBuilder]: At program point L13828(lines 13827 13829) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,009 INFO L858 garLoopResultBuilder]: For program point L13102(lines 13102 13106) no Hoare annotation was computed. [2021-11-01 16:05:49,009 INFO L854 garLoopResultBuilder]: At program point L11781(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,009 INFO L854 garLoopResultBuilder]: At program point L13895(lines 13894 13896) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-11-01 16:05:49,009 INFO L858 garLoopResultBuilder]: For program point L11913(lines 11913 11916) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L11913-2(lines 11910 11916) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L7553(line 7553) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L5902(lines 5902 5910) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L7554(lines 7554 7569) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L854 garLoopResultBuilder]: At program point L12905(lines 12902 12907) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L7290(lines 7290 7296) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L7224-2(lines 7224 7230) no Hoare annotation was computed. [2021-11-01 16:05:49,010 INFO L858 garLoopResultBuilder]: For program point L7224(lines 7224 7230) no Hoare annotation was computed. [2021-11-01 16:05:49,011 INFO L854 garLoopResultBuilder]: At program point L13963(lines 13962 13964) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,011 INFO L854 garLoopResultBuilder]: At program point L13831(lines 13830 13832) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,011 INFO L861 garLoopResultBuilder]: At program point L13171(lines 13156 13177) the Hoare annotation is: true [2021-11-01 16:05:49,011 INFO L854 garLoopResultBuilder]: At program point L11784(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,012 INFO L858 garLoopResultBuilder]: For program point L7556(lines 7556 7566) no Hoare annotation was computed. [2021-11-01 16:05:49,012 INFO L854 garLoopResultBuilder]: At program point L11719(lines 11711 11724) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,013 INFO L858 garLoopResultBuilder]: For program point L7557(line 7557) no Hoare annotation was computed. [2021-11-01 16:05:49,013 INFO L861 garLoopResultBuilder]: At program point L13173(lines 13156 13177) the Hoare annotation is: true [2021-11-01 16:05:49,013 INFO L854 garLoopResultBuilder]: At program point L13834(lines 13833 13835) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,013 INFO L854 garLoopResultBuilder]: At program point L11786(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,013 INFO L858 garLoopResultBuilder]: For program point L13966-1(lines 13966 13968) no Hoare annotation was computed. [2021-11-01 16:05:49,013 INFO L858 garLoopResultBuilder]: For program point L13966(lines 13966 13968) no Hoare annotation was computed. [2021-11-01 16:05:49,013 INFO L858 garLoopResultBuilder]: For program point L7558(lines 7558 7562) no Hoare annotation was computed. [2021-11-01 16:05:49,013 INFO L861 garLoopResultBuilder]: At program point L13834-1(lines 13833 13835) the Hoare annotation is: true [2021-11-01 16:05:49,014 INFO L854 garLoopResultBuilder]: At program point L7360(lines 7266 7362) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,014 INFO L861 garLoopResultBuilder]: At program point L13901(lines 13900 13902) the Hoare annotation is: true [2021-11-01 16:05:49,014 INFO L858 garLoopResultBuilder]: For program point L11919(lines 11919 11925) no Hoare annotation was computed. [2021-11-01 16:05:49,014 INFO L854 garLoopResultBuilder]: At program point L11721(lines 11711 11724) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,014 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-01 16:05:49,014 INFO L858 garLoopResultBuilder]: For program point L13044(lines 13044 13048) no Hoare annotation was computed. [2021-11-01 16:05:49,014 INFO L861 garLoopResultBuilder]: At program point L13110(lines 13091 13117) the Hoare annotation is: true [2021-11-01 16:05:49,014 INFO L854 garLoopResultBuilder]: At program point L5909(lines 5895 5912) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-11-01 16:05:49,015 INFO L861 garLoopResultBuilder]: At program point L13176(lines 1 13968) the Hoare annotation is: true [2021-11-01 16:05:49,015 INFO L858 garLoopResultBuilder]: For program point L11922(lines 11922 11925) no Hoare annotation was computed. [2021-11-01 16:05:49,015 INFO L858 garLoopResultBuilder]: For program point L11922-2(lines 11919 11925) no Hoare annotation was computed. [2021-11-01 16:05:49,015 INFO L854 garLoopResultBuilder]: At program point L12913-2(lines 12908 12915) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,015 INFO L854 garLoopResultBuilder]: At program point L12913-3(lines 12908 12915) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,015 INFO L854 garLoopResultBuilder]: At program point L12913(lines 12908 12915) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-11-01 16:05:49,015 INFO L854 garLoopResultBuilder]: At program point L12913-1(lines 12908 12915) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,015 INFO L854 garLoopResultBuilder]: At program point L13904(lines 13903 13905) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,016 INFO L858 garLoopResultBuilder]: For program point L7232-2(lines 7197 7263) no Hoare annotation was computed. [2021-11-01 16:05:49,016 INFO L858 garLoopResultBuilder]: For program point L7232(lines 7232 7236) no Hoare annotation was computed. [2021-11-01 16:05:49,016 INFO L854 garLoopResultBuilder]: At program point L13046(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,016 INFO L861 garLoopResultBuilder]: At program point L13112(lines 13091 13117) the Hoare annotation is: true [2021-11-01 16:05:49,016 INFO L854 garLoopResultBuilder]: At program point L11659(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,016 INFO L858 garLoopResultBuilder]: For program point L7564(line 7564) no Hoare annotation was computed. [2021-11-01 16:05:49,016 INFO L854 garLoopResultBuilder]: At program point L11661(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-11-01 16:05:49,016 INFO L858 garLoopResultBuilder]: For program point L11793(lines 11793 11796) no Hoare annotation was computed. [2021-11-01 16:05:49,017 INFO L858 garLoopResultBuilder]: For program point L11793-2(lines 11793 11796) no Hoare annotation was computed. [2021-11-01 16:05:49,017 INFO L858 garLoopResultBuilder]: For program point L7302(lines 7302 7310) no Hoare annotation was computed. [2021-11-01 16:05:49,017 INFO L858 garLoopResultBuilder]: For program point L7302-2(lines 7302 7310) no Hoare annotation was computed. [2021-11-01 16:05:49,019 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 16:05:49,020 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-01 16:05:49,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 04:05:49 BoogieIcfgContainer [2021-11-01 16:05:49,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-01 16:05:49,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-01 16:05:49,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-01 16:05:49,056 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-01 16:05:49,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 04:00:33" (3/4) ... [2021-11-01 16:05:49,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-01 16:05:49,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 296 nodes and edges [2021-11-01 16:05:49,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2021-11-01 16:05:49,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-11-01 16:05:49,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-01 16:05:49,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-01 16:05:49,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-01 16:05:49,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-01 16:05:49,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-01 16:05:49,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-01 16:05:52,136 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-01 16:05:52,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-01 16:05:52,137 INFO L158 Benchmark]: Toolchain (without parser) took 406579.14ms. Allocated memory was 94.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 62.3MB in the beginning and 464.6MB in the end (delta: -402.4MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2021-11-01 16:05:52,137 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 94.4MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 16:05:52,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2962.13ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 61.9MB in the beginning and 63.5MB in the end (delta: -1.6MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2021-11-01 16:05:52,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 360.84ms. Allocated memory was 188.7MB in the beginning and 285.2MB in the end (delta: 96.5MB). Free memory was 63.5MB in the beginning and 158.7MB in the end (delta: -95.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-01 16:05:52,137 INFO L158 Benchmark]: Boogie Preprocessor took 199.89ms. Allocated memory is still 285.2MB. Free memory was 158.7MB in the beginning and 127.3MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-01 16:05:52,138 INFO L158 Benchmark]: RCFGBuilder took 84037.83ms. Allocated memory was 285.2MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 126.2MB in the beginning and 633.7MB in the end (delta: -507.5MB). Peak memory consumption was 942.7MB. Max. memory is 16.1GB. [2021-11-01 16:05:52,138 INFO L158 Benchmark]: TraceAbstraction took 315929.52ms. Allocated memory is still 1.6GB. Free memory was 633.7MB in the beginning and 977.8MB in the end (delta: -344.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 16:05:52,138 INFO L158 Benchmark]: Witness Printer took 3080.86ms. Allocated memory is still 1.6GB. Free memory was 977.8MB in the beginning and 464.6MB in the end (delta: 513.2MB). Peak memory consumption was 558.2MB. Max. memory is 16.1GB. [2021-11-01 16:05:52,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 94.4MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2962.13ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 61.9MB in the beginning and 63.5MB in the end (delta: -1.6MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 360.84ms. Allocated memory was 188.7MB in the beginning and 285.2MB in the end (delta: 96.5MB). Free memory was 63.5MB in the beginning and 158.7MB in the end (delta: -95.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 199.89ms. Allocated memory is still 285.2MB. Free memory was 158.7MB in the beginning and 127.3MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 84037.83ms. Allocated memory was 285.2MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 126.2MB in the beginning and 633.7MB in the end (delta: -507.5MB). Peak memory consumption was 942.7MB. Max. memory is 16.1GB. * TraceAbstraction took 315929.52ms. Allocated memory is still 1.6GB. Free memory was 633.7MB in the beginning and 977.8MB in the end (delta: -344.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3080.86ms. Allocated memory is still 1.6GB. Free memory was 977.8MB in the beginning and 464.6MB in the end (delta: 513.2MB). Peak memory consumption was 558.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5933]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 5933]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 290 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 315855.08ms, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 28.89ms, AutomataDifference: 263522.12ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 2212.57ms, InitialAbstractionConstructionTime: 10.24ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 52 mSolverCounterUnknown, 1938 SdHoareTripleChecker+Valid, 261978.64ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1938 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 240487.32ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5631 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12258 IncrementalHoareTripleChecker+Invalid, 12346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 3 mSDtfsCounter, 12258 mSolverCounterSat, 122.48ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1385 GetRequests, 1341 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1910.89ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=810occurred in iteration=4, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 183.45ms AutomataMinimizationTime, 16 MinimizatonAttempts, 1427 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 141 LocationsWithAnnotation, 141 PreInvPairs, 360 NumberOfFragments, 391 HoareAnnotationTreeSize, 141 FomulaSimplifications, 5508 FormulaSimplificationTreeSizeReduction, 106.58ms HoareSimplificationTime, 141 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2083.15ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3383.90ms SsaConstructionTime, 25607.39ms SatisfiabilityAnalysisTime, 14462.05ms InterpolantComputationTime, 2756 NumberOfCodeBlocks, 2756 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2727 ConstructedInterpolants, 0 QuantifiedInterpolants, 3357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 135779 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 29 InterpolantComputations, 16 PerfectInterpolantSequences, 265/302 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13758]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7332]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13798]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11698]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11346]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13130]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5877]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13962]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13846]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13781]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13911]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7581]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7297]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11264]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6005]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11264]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7708]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13655]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11303]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13882]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7337]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13021]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11872]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7271]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11711]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11866]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11346]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10617]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6016]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13878]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13956]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11318]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13846]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13091]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13091]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12902]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13885]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13894]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 9752]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13830]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13833]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5895]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11690]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5793]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7266]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13852]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11711]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13903]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11698]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10617]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13827]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7337]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 12941]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7297]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11872]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5877]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11728]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2021-11-01 16:05:52,383 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-01 16:05:52,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...