./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc --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 ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:52:59,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:52:59,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:52:59,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:52:59,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:52:59,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:52:59,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:52:59,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:52:59,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:52:59,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:52:59,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:52:59,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:52:59,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:52:59,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:52:59,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:52:59,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:52:59,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:52:59,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:52:59,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:52:59,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:52:59,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:52:59,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:52:59,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:52:59,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:52:59,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:52:59,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:52:59,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:52:59,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:52:59,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:52:59,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:52:59,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:52:59,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:52:59,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:52:59,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:52:59,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:52:59,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:52:59,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:52:59,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:52:59,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:52:59,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:52:59,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:52:59,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:52:59,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:52:59,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:52:59,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:52:59,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:52:59,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:52:59,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:52:59,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:52:59,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:52:59,217 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:52:59,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:52:59,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:52:59,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:52:59,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:52:59,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:52:59,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:52:59,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:52:59,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:52:59,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:52:59,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:52:59,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:52:59,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:52:59,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:52:59,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:52:59,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:52:59,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:52:59,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:52:59,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:52:59,231 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:52:59,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:52:59,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:52:59,233 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2022-11-02 20:52:59,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:52:59,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:52:59,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:52:59,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:52:59,602 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:52:59,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-11-02 20:52:59,682 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/data/dfe8e76c3/ff9c1c1c50e94b298863a6517d59fd5d/FLAGadcef6c87 [2022-11-02 20:53:00,627 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:53:00,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-11-02 20:53:00,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/data/dfe8e76c3/ff9c1c1c50e94b298863a6517d59fd5d/FLAGadcef6c87 [2022-11-02 20:53:01,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/data/dfe8e76c3/ff9c1c1c50e94b298863a6517d59fd5d [2022-11-02 20:53:01,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:53:01,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:53:01,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:01,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:53:01,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:53:01,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:01" (1/1) ... [2022-11-02 20:53:01,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5accd86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:01, skipping insertion in model container [2022-11-02 20:53:01,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:01" (1/1) ... [2022-11-02 20:53:01,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:53:01,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:53:04,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2022-11-02 20:53:04,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:53:04,843 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:53:05,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2022-11-02 20:53:05,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:53:05,620 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:53:05,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05 WrapperNode [2022-11-02 20:53:05,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:05,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:53:05,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:53:05,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:53:05,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:05,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,047 INFO L138 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7921 [2022-11-02 20:53:06,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:53:06,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:53:06,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:53:06,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:53:06,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:53:06,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:53:06,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:53:06,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:53:06,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (1/1) ... [2022-11-02 20:53:06,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:53:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:06,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:06,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d3e98-8f5a-4d55-9b34-c614ca5eb97b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:53:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-02 20:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-02 20:53:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-02 20:53:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2022-11-02 20:53:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2022-11-02 20:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:53:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-02 20:53:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-02 20:53:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2022-11-02 20:53:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2022-11-02 20:53:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2022-11-02 20:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2022-11-02 20:53:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:53:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2022-11-02 20:53:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2022-11-02 20:53:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2022-11-02 20:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2022-11-02 20:53:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-02 20:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-02 20:53:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2022-11-02 20:53:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2022-11-02 20:53:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-02 20:53:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-02 20:53:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2022-11-02 20:53:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2022-11-02 20:53:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2022-11-02 20:53:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2022-11-02 20:53:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-02 20:53:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-02 20:53:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:53:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:53:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2022-11-02 20:53:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2022-11-02 20:53:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2022-11-02 20:53:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2022-11-02 20:53:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:53:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:53:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 20:53:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-11-02 20:53:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-11-02 20:53:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-02 20:53:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-02 20:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2022-11-02 20:53:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2022-11-02 20:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:53:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:53:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:53:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:53:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2022-11-02 20:53:06,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2022-11-02 20:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2022-11-02 20:53:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2022-11-02 20:53:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:53:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2022-11-02 20:53:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2022-11-02 20:53:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2022-11-02 20:53:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2022-11-02 20:53:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-02 20:53:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-02 20:53:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:53:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:53:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:53:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:53:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2022-11-02 20:53:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2022-11-02 20:53:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2022-11-02 20:53:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2022-11-02 20:53:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:53:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2022-11-02 20:53:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2022-11-02 20:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2022-11-02 20:53:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2022-11-02 20:53:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2022-11-02 20:53:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2022-11-02 20:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:53:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2022-11-02 20:53:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2022-11-02 20:53:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2022-11-02 20:53:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2022-11-02 20:53:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2022-11-02 20:53:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2022-11-02 20:53:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-02 20:53:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-02 20:53:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:53:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2022-11-02 20:53:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2022-11-02 20:53:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:53:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:53:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-02 20:53:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-02 20:53:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2022-11-02 20:53:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2022-11-02 20:53:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-02 20:53:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-02 20:53:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 20:53:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 20:53:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:53:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:53:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2022-11-02 20:53:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2022-11-02 20:53:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:53:06,678 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:53:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2022-11-02 20:53:06,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2022-11-02 20:53:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2022-11-02 20:53:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2022-11-02 20:53:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-02 20:53:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-02 20:53:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2022-11-02 20:53:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2022-11-02 20:53:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:53:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:53:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2022-11-02 20:53:06,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2022-11-02 20:53:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:53:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-11-02 20:53:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-11-02 20:53:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2022-11-02 20:53:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2022-11-02 20:53:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:53:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:53:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:53:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2022-11-02 20:53:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2022-11-02 20:53:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:53:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:53:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2022-11-02 20:53:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2022-11-02 20:53:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:53:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:53:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:53:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:53:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-02 20:53:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-02 20:53:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2022-11-02 20:53:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2022-11-02 20:53:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-02 20:53:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-02 20:53:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2022-11-02 20:53:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2022-11-02 20:53:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2022-11-02 20:53:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2022-11-02 20:53:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:53:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:53:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2022-11-02 20:53:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2022-11-02 20:53:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-02 20:53:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-02 20:53:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:53:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:53:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:53:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:53:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2022-11-02 20:53:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2022-11-02 20:53:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-02 20:53:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-02 20:53:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2022-11-02 20:53:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2022-11-02 20:53:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 20:53:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 20:53:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:53:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:53:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:53:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:53:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-11-02 20:53:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-11-02 20:53:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-02 20:53:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-02 20:53:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:53:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:53:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:53:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:53:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:53:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:53:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-11-02 20:53:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-11-02 20:53:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2022-11-02 20:53:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2022-11-02 20:53:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-02 20:53:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-02 20:53:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2022-11-02 20:53:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2022-11-02 20:53:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2022-11-02 20:53:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2022-11-02 20:53:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:53:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:53:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:53:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:53:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2022-11-02 20:53:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2022-11-02 20:53:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:53:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:53:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2022-11-02 20:53:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2022-11-02 20:53:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:53:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:53:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2022-11-02 20:53:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2022-11-02 20:53:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2022-11-02 20:53:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2022-11-02 20:53:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:53:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:53:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-02 20:53:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-02 20:53:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2022-11-02 20:53:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2022-11-02 20:53:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:53:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:53:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:53:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-02 20:53:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-02 20:53:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2022-11-02 20:53:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2022-11-02 20:53:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2022-11-02 20:53:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2022-11-02 20:53:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:53:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2022-11-02 20:53:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2022-11-02 20:53:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2022-11-02 20:53:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2022-11-02 20:53:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-02 20:53:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-02 20:53:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2022-11-02 20:53:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2022-11-02 20:53:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-02 20:53:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-02 20:53:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2022-11-02 20:53:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2022-11-02 20:53:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2022-11-02 20:53:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2022-11-02 20:53:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:53:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2022-11-02 20:53:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2022-11-02 20:53:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 20:53:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 20:53:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:53:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:53:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-02 20:53:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-02 20:53:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:53:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:53:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2022-11-02 20:53:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2022-11-02 20:53:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-02 20:53:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-02 20:53:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2022-11-02 20:53:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2022-11-02 20:53:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2022-11-02 20:53:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2022-11-02 20:53:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:53:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:53:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2022-11-02 20:53:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2022-11-02 20:53:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2022-11-02 20:53:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2022-11-02 20:53:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:53:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:53:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2022-11-02 20:53:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2022-11-02 20:53:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2022-11-02 20:53:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2022-11-02 20:53:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 20:53:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 20:53:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:53:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:53:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-11-02 20:53:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-11-02 20:53:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2022-11-02 20:53:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2022-11-02 20:53:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-02 20:53:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-02 20:53:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:53:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:53:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:53:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2022-11-02 20:53:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2022-11-02 20:53:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:53:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:53:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:53:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:53:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2022-11-02 20:53:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2022-11-02 20:53:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2022-11-02 20:53:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2022-11-02 20:53:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2022-11-02 20:53:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2022-11-02 20:53:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:53:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:53:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:53:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:53:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:53:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:53:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-02 20:53:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-02 20:53:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:53:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:53:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 20:53:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 20:53:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:53:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:53:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2022-11-02 20:53:06,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2022-11-02 20:53:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2022-11-02 20:53:06,726 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2022-11-02 20:53:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2022-11-02 20:53:06,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2022-11-02 20:53:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:53:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:53:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2022-11-02 20:53:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2022-11-02 20:53:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:53:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-02 20:53:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-02 20:53:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-02 20:53:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-02 20:53:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2022-11-02 20:53:06,728 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2022-11-02 20:53:06,728 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2022-11-02 20:53:06,728 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2022-11-02 20:53:08,015 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:53:08,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:53:08,530 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:53:26,322 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:53:26,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:53:26,353 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:53:26,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:26 BoogieIcfgContainer [2022-11-02 20:53:26,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:53:26,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:53:26,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:53:26,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:53:26,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:53:01" (1/3) ... [2022-11-02 20:53:26,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1de90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:26, skipping insertion in model container [2022-11-02 20:53:26,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:05" (2/3) ... [2022-11-02 20:53:26,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1de90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:26, skipping insertion in model container [2022-11-02 20:53:26,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:26" (3/3) ... [2022-11-02 20:53:26,369 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-11-02 20:53:26,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:53:26,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:53:26,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:53:26,527 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5810c691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:53:26,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:53:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) [2022-11-02 20:53:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-02 20:53:26,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:53:26,575 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:26,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:53:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2022-11-02 20:53:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527590327] [2022-11-02 20:53:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:26,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:53:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:53:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:53:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:53:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:27,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:53:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:53:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:53:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:53:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:53:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:53:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:53:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:53:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:53:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:53:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:53:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-02 20:53:28,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:53:28,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527590327] [2022-11-02 20:53:28,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527590327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:53:28,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:53:28,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:53:28,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192322934] [2022-11-02 20:53:28,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:53:28,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:53:28,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:53:28,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:53:28,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:53:28,535 INFO L87 Difference]: Start difference. First operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-02 20:53:45,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:48,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:53:49,073 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2022-11-02 20:53:49,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:53:49,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2022-11-02 20:53:49,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:53:49,136 INFO L225 Difference]: With dead ends: 5942 [2022-11-02 20:53:49,136 INFO L226 Difference]: Without dead ends: 3119 [2022-11-02 20:53:49,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:53:49,165 INFO L413 NwaCegarLoop]: 3795 mSDtfsCounter, 1739 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 3509 mSolverCounterSat, 1737 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 8483 SdHoareTripleChecker+Invalid, 5247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1737 IncrementalHoareTripleChecker+Valid, 3509 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:53:49,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 8483 Invalid, 5247 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1737 Valid, 3509 Invalid, 1 Unknown, 0 Unchecked, 19.9s Time] [2022-11-02 20:53:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2022-11-02 20:53:49,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2022-11-02 20:53:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1951 states have (on average 1.3680164018452077) internal successors, (2669), 2011 states have internal predecessors, (2669), 693 states have call successors, (693), 152 states have call predecessors, (693), 151 states have return successors, (681), 676 states have call predecessors, (681), 681 states have call successors, (681) [2022-11-02 20:53:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2022-11-02 20:53:49,447 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2022-11-02 20:53:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:53:49,448 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2022-11-02 20:53:49,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-02 20:53:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2022-11-02 20:53:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-02 20:53:49,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:53:49,459 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:49,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:53:49,460 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:53:49,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:49,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2022-11-02 20:53:49,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:49,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930041017] [2022-11-02 20:53:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:49,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:53:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:53:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:53:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:53:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:53:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:53:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:53:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:53:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:53:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:53:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:53:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:53:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:53:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:53:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:53:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:53:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-02 20:53:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:53:50,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930041017] [2022-11-02 20:53:50,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930041017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:53:50,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:53:50,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:53:50,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410950486] [2022-11-02 20:53:50,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:53:50,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:53:50,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:53:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:53:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:53:50,510 INFO L87 Difference]: Start difference. First operand 2796 states and 4043 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-02 20:54:14,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:16,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:20,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:21,684 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2022-11-02 20:54:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:54:21,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2022-11-02 20:54:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:21,725 INFO L225 Difference]: With dead ends: 8720 [2022-11-02 20:54:21,726 INFO L226 Difference]: Without dead ends: 5959 [2022-11-02 20:54:21,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:54:21,741 INFO L413 NwaCegarLoop]: 4438 mSDtfsCounter, 6469 mSDsluCounter, 7570 mSDsCounter, 0 mSdLazyCounter, 6879 mSolverCounterSat, 3682 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 12008 SdHoareTripleChecker+Invalid, 10563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3682 IncrementalHoareTripleChecker+Valid, 6879 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:21,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6971 Valid, 12008 Invalid, 10563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3682 Valid, 6879 Invalid, 2 Unknown, 0 Unchecked, 30.4s Time] [2022-11-02 20:54:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2022-11-02 20:54:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2022-11-02 20:54:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.3645692681609505) internal successors, (5053), 3809 states have internal predecessors, (5053), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-11-02 20:54:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2022-11-02 20:54:22,011 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2022-11-02 20:54:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:22,012 INFO L495 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2022-11-02 20:54:22,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-02 20:54:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2022-11-02 20:54:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-02 20:54:22,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:22,016 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:22,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:54:22,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:22,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:22,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2022-11-02 20:54:22,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:22,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076140825] [2022-11-02 20:54:22,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:22,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:54:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:54:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:54:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:54:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:54:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:54:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:54:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:54:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:54:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:54:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:54:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:54:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:54:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:54:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:54:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-02 20:54:23,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:23,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076140825] [2022-11-02 20:54:23,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076140825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:23,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:23,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:54:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189640536] [2022-11-02 20:54:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:23,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:54:23,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:23,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:54:23,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:54:23,230 INFO L87 Difference]: Start difference. First operand 5293 states and 7627 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-02 20:54:39,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:54:40,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:40,585 INFO L93 Difference]: Finished difference Result 12705 states and 18871 transitions. [2022-11-02 20:54:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:54:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2022-11-02 20:54:40,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:40,634 INFO L225 Difference]: With dead ends: 12705 [2022-11-02 20:54:40,634 INFO L226 Difference]: Without dead ends: 7447 [2022-11-02 20:54:40,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:54:40,656 INFO L413 NwaCegarLoop]: 4656 mSDtfsCounter, 4728 mSDsluCounter, 8455 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 3287 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 13111 SdHoareTripleChecker+Invalid, 8036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3287 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:40,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5016 Valid, 13111 Invalid, 8036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3287 Valid, 4748 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2022-11-02 20:54:40,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2022-11-02 20:54:40,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 5293. [2022-11-02 20:54:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.364029165541453) internal successors, (5051), 3807 states have internal predecessors, (5051), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-11-02 20:54:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7625 transitions. [2022-11-02 20:54:40,978 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7625 transitions. Word has length 215 [2022-11-02 20:54:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:40,980 INFO L495 AbstractCegarLoop]: Abstraction has 5293 states and 7625 transitions. [2022-11-02 20:54:40,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-02 20:54:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7625 transitions. [2022-11-02 20:54:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-02 20:54:40,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:40,987 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:40,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:54:40,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:40,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:40,988 INFO L85 PathProgramCache]: Analyzing trace with hash -896631735, now seen corresponding path program 1 times [2022-11-02 20:54:40,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:40,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565243300] [2022-11-02 20:54:40,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:40,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:54:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:54:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:54:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:54:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:54:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:54:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:54:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:54:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:54:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:54:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:54:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:54:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:54:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:54:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:54:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:54:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:41,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:54:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:54:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:54:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-02 20:54:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:42,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565243300] [2022-11-02 20:54:42,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565243300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:42,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:42,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:54:42,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182763155] [2022-11-02 20:54:42,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:42,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:54:42,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:42,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:54:42,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:54:42,031 INFO L87 Difference]: Start difference. First operand 5293 states and 7625 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-02 20:54:59,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:55:01,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:01,342 INFO L93 Difference]: Finished difference Result 17463 states and 25803 transitions. [2022-11-02 20:55:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:55:01,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2022-11-02 20:55:01,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:01,417 INFO L225 Difference]: With dead ends: 17463 [2022-11-02 20:55:01,417 INFO L226 Difference]: Without dead ends: 12205 [2022-11-02 20:55:01,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:55:01,443 INFO L413 NwaCegarLoop]: 4632 mSDtfsCounter, 10378 mSDsluCounter, 6324 mSDsCounter, 0 mSdLazyCounter, 5496 mSolverCounterSat, 7542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11021 SdHoareTripleChecker+Valid, 10956 SdHoareTripleChecker+Invalid, 13038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7542 IncrementalHoareTripleChecker+Valid, 5496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:01,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11021 Valid, 10956 Invalid, 13038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7542 Valid, 5496 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-11-02 20:55:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12205 states. [2022-11-02 20:55:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12205 to 10429. [2022-11-02 20:55:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10429 states, 7298 states have (on average 1.3639353247465058) internal successors, (9954), 7491 states have internal predecessors, (9954), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2022-11-02 20:55:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 15018 transitions. [2022-11-02 20:55:02,060 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 15018 transitions. Word has length 223 [2022-11-02 20:55:02,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:02,061 INFO L495 AbstractCegarLoop]: Abstraction has 10429 states and 15018 transitions. [2022-11-02 20:55:02,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-02 20:55:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 15018 transitions. [2022-11-02 20:55:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-02 20:55:02,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:02,066 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:02,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:55:02,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:02,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:02,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1707076702, now seen corresponding path program 1 times [2022-11-02 20:55:02,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:02,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088667350] [2022-11-02 20:55:02,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:55:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:55:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:55:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:55:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:55:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:55:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:55:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:55:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:55:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:55:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:55:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:55:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:55:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:55:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:55:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-02 20:55:03,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:03,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088667350] [2022-11-02 20:55:03,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088667350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:55:03,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:55:03,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:55:03,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316082475] [2022-11-02 20:55:03,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:55:03,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:55:03,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:03,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:55:03,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:55:03,102 INFO L87 Difference]: Start difference. First operand 10429 states and 15018 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-02 20:55:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:21,305 INFO L93 Difference]: Finished difference Result 23188 states and 34104 transitions. [2022-11-02 20:55:21,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:55:21,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 234 [2022-11-02 20:55:21,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:21,374 INFO L225 Difference]: With dead ends: 23188 [2022-11-02 20:55:21,374 INFO L226 Difference]: Without dead ends: 12794 [2022-11-02 20:55:21,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:55:21,417 INFO L413 NwaCegarLoop]: 4316 mSDtfsCounter, 6182 mSDsluCounter, 7092 mSDsCounter, 0 mSdLazyCounter, 4626 mSolverCounterSat, 2844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6658 SdHoareTripleChecker+Valid, 11408 SdHoareTripleChecker+Invalid, 7470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2844 IncrementalHoareTripleChecker+Valid, 4626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:21,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6658 Valid, 11408 Invalid, 7470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2844 Valid, 4626 Invalid, 0 Unknown, 0 Unchecked, 17.3s Time] [2022-11-02 20:55:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12794 states. [2022-11-02 20:55:22,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12794 to 10433. [2022-11-02 20:55:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10433 states, 7302 states have (on average 1.3635990139687757) internal successors, (9957), 7495 states have internal predecessors, (9957), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2022-11-02 20:55:22,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10433 states to 10433 states and 15021 transitions. [2022-11-02 20:55:22,087 INFO L78 Accepts]: Start accepts. Automaton has 10433 states and 15021 transitions. Word has length 234 [2022-11-02 20:55:22,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:22,088 INFO L495 AbstractCegarLoop]: Abstraction has 10433 states and 15021 transitions. [2022-11-02 20:55:22,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-02 20:55:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 10433 states and 15021 transitions. [2022-11-02 20:55:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:55:22,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:22,094 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:22,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:55:22,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:22,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:22,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1142717581, now seen corresponding path program 1 times [2022-11-02 20:55:22,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:22,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478443095] [2022-11-02 20:55:22,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:22,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:55:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:55:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:55:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:55:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:55:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:55:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:55:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:55:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:55:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:55:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:55:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:55:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:55:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:55:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:55:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 20:55:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:55:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-02 20:55:23,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:23,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478443095] [2022-11-02 20:55:23,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478443095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:55:23,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:55:23,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:55:23,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146487942] [2022-11-02 20:55:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:55:23,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:55:23,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:55:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:55:23,166 INFO L87 Difference]: Start difference. First operand 10433 states and 15021 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:55:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:55:39,946 INFO L93 Difference]: Finished difference Result 19643 states and 29010 transitions. [2022-11-02 20:55:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:55:39,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2022-11-02 20:55:39,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:55:40,060 INFO L225 Difference]: With dead ends: 19643 [2022-11-02 20:55:40,060 INFO L226 Difference]: Without dead ends: 19639 [2022-11-02 20:55:40,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:55:40,079 INFO L413 NwaCegarLoop]: 3958 mSDtfsCounter, 9208 mSDsluCounter, 4832 mSDsCounter, 0 mSdLazyCounter, 4390 mSolverCounterSat, 6519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9796 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 10909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6519 IncrementalHoareTripleChecker+Valid, 4390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:55:40,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9796 Valid, 8790 Invalid, 10909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6519 Valid, 4390 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2022-11-02 20:55:40,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19639 states. [2022-11-02 20:55:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19639 to 16383. [2022-11-02 20:55:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16383 states, 11394 states have (on average 1.3487800596805337) internal successors, (15368), 11711 states have internal predecessors, (15368), 3954 states have call successors, (3954), 1035 states have call predecessors, (3954), 1034 states have return successors, (3944), 3920 states have call predecessors, (3944), 3944 states have call successors, (3944) [2022-11-02 20:55:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16383 states to 16383 states and 23266 transitions. [2022-11-02 20:55:41,310 INFO L78 Accepts]: Start accepts. Automaton has 16383 states and 23266 transitions. Word has length 250 [2022-11-02 20:55:41,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:55:41,311 INFO L495 AbstractCegarLoop]: Abstraction has 16383 states and 23266 transitions. [2022-11-02 20:55:41,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:55:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 16383 states and 23266 transitions. [2022-11-02 20:55:41,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-02 20:55:41,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:55:41,318 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:55:41,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:55:41,319 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:55:41,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:55:41,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1065672369, now seen corresponding path program 1 times [2022-11-02 20:55:41,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:55:41,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962036144] [2022-11-02 20:55:41,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:55:41,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:55:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:55:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:55:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:55:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:55:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:55:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:55:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:55:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:55:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:55:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:55:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:55:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:55:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:55:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:55:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:55:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:55:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:55:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 20:55:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:55:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:55:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:55:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-02 20:55:42,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:55:42,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962036144] [2022-11-02 20:55:42,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962036144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:55:42,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:55:42,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:55:42,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108647069] [2022-11-02 20:55:42,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:55:42,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:55:42,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:55:42,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:55:42,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:55:42,489 INFO L87 Difference]: Start difference. First operand 16383 states and 23266 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:55:58,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:55:59,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:00,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:00,731 INFO L93 Difference]: Finished difference Result 21111 states and 30905 transitions. [2022-11-02 20:56:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:56:00,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 251 [2022-11-02 20:56:00,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:00,846 INFO L225 Difference]: With dead ends: 21111 [2022-11-02 20:56:00,846 INFO L226 Difference]: Without dead ends: 21107 [2022-11-02 20:56:00,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:56:00,862 INFO L413 NwaCegarLoop]: 3725 mSDtfsCounter, 6498 mSDsluCounter, 4600 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 3642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6982 SdHoareTripleChecker+Valid, 8325 SdHoareTripleChecker+Invalid, 7482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3642 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:00,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6982 Valid, 8325 Invalid, 7482 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3642 Valid, 3840 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-11-02 20:56:00,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21107 states. [2022-11-02 20:56:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21107 to 17589. [2022-11-02 20:56:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17589 states, 12250 states have (on average 1.3458775510204082) internal successors, (16487), 12589 states have internal predecessors, (16487), 4132 states have call successors, (4132), 1207 states have call predecessors, (4132), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-11-02 20:56:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17589 states to 17589 states and 24743 transitions. [2022-11-02 20:56:02,038 INFO L78 Accepts]: Start accepts. Automaton has 17589 states and 24743 transitions. Word has length 251 [2022-11-02 20:56:02,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:02,038 INFO L495 AbstractCegarLoop]: Abstraction has 17589 states and 24743 transitions. [2022-11-02 20:56:02,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:56:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 17589 states and 24743 transitions. [2022-11-02 20:56:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-02 20:56:02,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:02,045 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:02,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:56:02,046 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:02,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:02,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1322734070, now seen corresponding path program 1 times [2022-11-02 20:56:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:02,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452116291] [2022-11-02 20:56:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:56:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:56:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:56:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:56:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:56:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:56:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:56:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:56:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:56:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:56:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:56:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:56:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:56:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:56:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:56:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:56:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 20:56:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:56:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-02 20:56:03,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:03,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452116291] [2022-11-02 20:56:03,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452116291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:03,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:03,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:56:03,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26299494] [2022-11-02 20:56:03,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:03,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:56:03,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:03,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:56:03,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:56:03,223 INFO L87 Difference]: Start difference. First operand 17589 states and 24743 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:56:20,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:21,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:23,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:23,083 INFO L93 Difference]: Finished difference Result 21107 states and 30893 transitions. [2022-11-02 20:56:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:56:23,084 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 252 [2022-11-02 20:56:23,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:23,316 INFO L225 Difference]: With dead ends: 21107 [2022-11-02 20:56:23,316 INFO L226 Difference]: Without dead ends: 21104 [2022-11-02 20:56:23,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:56:23,326 INFO L413 NwaCegarLoop]: 3700 mSDtfsCounter, 6085 mSDsluCounter, 4680 mSDsCounter, 0 mSdLazyCounter, 3825 mSolverCounterSat, 3504 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6576 SdHoareTripleChecker+Valid, 8380 SdHoareTripleChecker+Invalid, 7330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3504 IncrementalHoareTripleChecker+Valid, 3825 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:23,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6576 Valid, 8380 Invalid, 7330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3504 Valid, 3825 Invalid, 1 Unknown, 0 Unchecked, 18.5s Time] [2022-11-02 20:56:23,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21104 states. [2022-11-02 20:56:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21104 to 17588. [2022-11-02 20:56:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17588 states, 12250 states have (on average 1.345795918367347) internal successors, (16486), 12588 states have internal predecessors, (16486), 4131 states have call successors, (4131), 1207 states have call predecessors, (4131), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-11-02 20:56:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17588 states to 17588 states and 24741 transitions. [2022-11-02 20:56:24,557 INFO L78 Accepts]: Start accepts. Automaton has 17588 states and 24741 transitions. Word has length 252 [2022-11-02 20:56:24,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:24,559 INFO L495 AbstractCegarLoop]: Abstraction has 17588 states and 24741 transitions. [2022-11-02 20:56:24,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:56:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 17588 states and 24741 transitions. [2022-11-02 20:56:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-02 20:56:24,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:24,567 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:24,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:56:24,568 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:24,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:24,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1946072782, now seen corresponding path program 1 times [2022-11-02 20:56:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:24,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671386043] [2022-11-02 20:56:24,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:56:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:56:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:56:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:56:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:56:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:56:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 20:56:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:56:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:56:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:56:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-02 20:56:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:56:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 20:56:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:56:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:56:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:56:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 20:56:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:56:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-02 20:56:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:25,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671386043] [2022-11-02 20:56:25,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671386043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:25,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:25,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:56:25,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544409890] [2022-11-02 20:56:25,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:25,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:56:25,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:25,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:56:25,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:56:25,614 INFO L87 Difference]: Start difference. First operand 17588 states and 24741 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)