./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a2f972b53b4f15abb2f85e3f4029427adee7726e36e16b2a641b76be8e63ca1 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:56:04,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:56:04,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:56:04,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:56:04,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:56:04,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:56:04,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:56:04,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:56:04,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:56:04,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:56:04,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:56:04,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:56:04,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:56:04,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:56:04,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:56:04,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:56:04,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:56:04,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:56:04,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:56:04,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:56:04,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:56:04,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:56:04,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:56:04,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:56:04,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:56:04,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:56:04,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:56:04,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:56:04,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:56:04,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:56:04,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:56:04,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:56:04,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:56:04,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:56:04,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:56:04,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:56:04,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:56:04,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:56:04,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:56:04,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:56:04,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:56:04,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 04:56:04,914 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:56:04,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:56:04,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:56:04,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:56:04,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:56:04,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:56:04,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:56:04,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:56:04,925 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:56:04,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:56:04,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 04:56:04,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:56:04,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:56:04,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:56:04,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:56:04,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:56:04,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:56:04,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:56:04,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:56:04,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:56:04,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:56:04,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:56:04,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:56:04,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:56:04,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:56:04,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 04:56:04,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 04:56:04,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:56:04,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:56:04,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:56:04,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:56:04,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a2f972b53b4f15abb2f85e3f4029427adee7726e36e16b2a641b76be8e63ca1 [2021-12-18 04:56:05,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:56:05,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:56:05,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:56:05,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:56:05,153 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:56:05,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-18 04:56:05,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2355132a2/2e8c36bfa4ee48639bed7b7bcd1508af/FLAG375510c6d [2021-12-18 04:56:06,068 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:56:06,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-18 04:56:06,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2355132a2/2e8c36bfa4ee48639bed7b7bcd1508af/FLAG375510c6d [2021-12-18 04:56:06,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2355132a2/2e8c36bfa4ee48639bed7b7bcd1508af [2021-12-18 04:56:06,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:56:06,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:56:06,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:56:06,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:56:06,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:56:06,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:56:06" (1/1) ... [2021-12-18 04:56:06,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d64b357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:06, skipping insertion in model container [2021-12-18 04:56:06,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:56:06" (1/1) ... [2021-12-18 04:56:06,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:56:06,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:56:07,187 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6627] [2021-12-18 04:56:07,188 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6628-6629] [2021-12-18 04:56:07,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[195310,195323] [2021-12-18 04:56:10,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:56:10,989 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:56:11,084 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6627] [2021-12-18 04:56:11,084 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6628-6629] [2021-12-18 04:56:11,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[195310,195323] [2021-12-18 04:56:11,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:56:11,621 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:56:11,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11 WrapperNode [2021-12-18 04:56:11,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:56:11,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:56:11,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:56:11,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:56:11,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:11,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,279 INFO L137 Inliner]: procedures = 586, calls = 8562, calls flagged for inlining = 257, calls inlined = 255, statements flattened = 15180 [2021-12-18 04:56:12,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:56:12,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:56:12,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:56:12,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:56:12,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:12,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:56:12,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:56:12,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:56:12,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:56:13,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (1/1) ... [2021-12-18 04:56:13,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:56:13,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:56:13,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 04:56:13,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 04:56:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 04:56:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 04:56:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 04:56:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 04:56:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-12-18 04:56:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-12-18 04:56:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-12-18 04:56:13,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-12-18 04:56:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-12-18 04:56:13,177 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-12-18 04:56:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 04:56:13,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 04:56:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-18 04:56:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-18 04:56:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-12-18 04:56:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-12-18 04:56:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 04:56:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 04:56:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-12-18 04:56:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-12-18 04:56:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:56:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:56:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-18 04:56:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-18 04:56:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-12-18 04:56:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-12-18 04:56:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-12-18 04:56:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-12-18 04:56:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-12-18 04:56:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-12-18 04:56:13,185 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-12-18 04:56:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-12-18 04:56:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-12-18 04:56:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-12-18 04:56:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-12-18 04:56:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-12-18 04:56:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-12-18 04:56:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-12-18 04:56:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-12-18 04:56:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-12-18 04:56:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:56:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:56:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-12-18 04:56:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-12-18 04:56:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-12-18 04:56:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-12-18 04:56:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-12-18 04:56:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-12-18 04:56:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 04:56:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-12-18 04:56:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-12-18 04:56:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-18 04:56:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-18 04:56:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-12-18 04:56:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-12-18 04:56:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-18 04:56:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-18 04:56:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-18 04:56:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-12-18 04:56:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-12-18 04:56:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 04:56:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 04:56:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:56:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-12-18 04:56:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-12-18 04:56:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 04:56:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 04:56:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-12-18 04:56:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-12-18 04:56:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-12-18 04:56:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-12-18 04:56:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-12-18 04:56:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-12-18 04:56:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-12-18 04:56:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-12-18 04:56:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-18 04:56:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-18 04:56:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 04:56:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 04:56:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-12-18 04:56:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-12-18 04:56:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-18 04:56:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-18 04:56:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 04:56:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:56:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:56:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 04:56:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-18 04:56:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-18 04:56:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-12-18 04:56:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-12-18 04:56:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-12-18 04:56:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-12-18 04:56:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 04:56:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-12-18 04:56:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-12-18 04:56:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-12-18 04:56:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-12-18 04:56:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-12-18 04:56:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-12-18 04:56:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-12-18 04:56:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-12-18 04:56:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-12-18 04:56:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-12-18 04:56:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-12-18 04:56:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-12-18 04:56:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 04:56:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 04:56:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-12-18 04:56:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-12-18 04:56:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 04:56:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 04:56:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 04:56:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 04:56:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-12-18 04:56:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-12-18 04:56:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-18 04:56:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-18 04:56:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-12-18 04:56:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-12-18 04:56:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-18 04:56:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-18 04:56:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-12-18 04:56:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-12-18 04:56:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-12-18 04:56:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-12-18 04:56:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-12-18 04:56:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-12-18 04:56:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 04:56:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 04:56:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:56:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-12-18 04:56:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-12-18 04:56:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-12-18 04:56:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-12-18 04:56:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 04:56:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 04:56:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-12-18 04:56:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-12-18 04:56:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-12-18 04:56:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-12-18 04:56:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:56:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-18 04:56:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-18 04:56:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-12-18 04:56:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-12-18 04:56:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:56:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-12-18 04:56:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-12-18 04:56:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 04:56:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 04:56:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 04:56:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 04:56:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 04:56:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-12-18 04:56:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-12-18 04:56:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-12-18 04:56:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-12-18 04:56:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 04:56:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 04:56:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-12-18 04:56:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-12-18 04:56:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 04:56:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 04:56:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-12-18 04:56:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-12-18 04:56:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-12-18 04:56:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-12-18 04:56:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-12-18 04:56:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-12-18 04:56:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 04:56:13,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 04:56:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-12-18 04:56:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-12-18 04:56:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-12-18 04:56:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-12-18 04:56:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-12-18 04:56:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-12-18 04:56:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-12-18 04:56:13,224 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-12-18 04:56:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-12-18 04:56:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-12-18 04:56:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-12-18 04:56:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-12-18 04:56:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 04:56:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 04:56:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 04:56:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 04:56:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-12-18 04:56:13,225 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-12-18 04:56:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 04:56:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 04:56:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-12-18 04:56:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-12-18 04:56:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-12-18 04:56:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-12-18 04:56:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-18 04:56:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-18 04:56:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-12-18 04:56:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-12-18 04:56:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 04:56:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 04:56:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 04:56:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 04:56:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-12-18 04:56:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-12-18 04:56:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 04:56:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 04:56:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-18 04:56:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-18 04:56:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-12-18 04:56:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-12-18 04:56:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-12-18 04:56:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-12-18 04:56:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:56:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:56:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-18 04:56:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-18 04:56:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-12-18 04:56:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-12-18 04:56:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 04:56:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 04:56:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 04:56:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 04:56:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-12-18 04:56:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-12-18 04:56:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-12-18 04:56:13,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-12-18 04:56:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-12-18 04:56:13,230 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-12-18 04:56:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-18 04:56:13,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-18 04:56:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 04:56:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 04:56:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-12-18 04:56:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-12-18 04:56:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:56:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:56:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 04:56:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 04:56:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-12-18 04:56:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-12-18 04:56:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-18 04:56:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-12-18 04:56:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-18 04:56:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-18 04:56:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:56:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-12-18 04:56:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-12-18 04:56:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-12-18 04:56:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-12-18 04:56:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:56:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:56:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 04:56:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 04:56:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 04:56:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 04:56:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:56:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:56:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:56:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-12-18 04:56:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-12-18 04:56:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-12-18 04:56:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-12-18 04:56:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-12-18 04:56:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-12-18 04:56:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:56:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 04:56:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 04:56:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-18 04:56:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-18 04:56:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-12-18 04:56:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-12-18 04:56:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:56:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-12-18 04:56:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-12-18 04:56:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 04:56:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 04:56:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 04:56:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 04:56:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 04:56:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 04:56:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-12-18 04:56:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-12-18 04:56:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-12-18 04:56:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-12-18 04:56:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 04:56:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 04:56:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 04:56:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 04:56:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 04:56:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 04:56:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-12-18 04:56:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-12-18 04:56:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 04:56:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 04:56:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-18 04:56:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-18 04:56:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:56:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:56:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-12-18 04:56:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-12-18 04:56:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-12-18 04:56:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-12-18 04:56:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-12-18 04:56:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-12-18 04:56:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-18 04:56:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-18 04:56:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-12-18 04:56:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-12-18 04:56:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-12-18 04:56:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-12-18 04:56:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-12-18 04:56:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-12-18 04:56:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 04:56:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 04:56:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 04:56:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 04:56:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-12-18 04:56:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-12-18 04:56:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-18 04:56:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-18 04:56:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:56:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:56:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-18 04:56:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-18 04:56:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-12-18 04:56:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-12-18 04:56:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 04:56:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-12-18 04:56:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-12-18 04:56:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-12-18 04:56:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-12-18 04:56:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 04:56:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 04:56:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 04:56:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 04:56:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-12-18 04:56:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-12-18 04:56:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-12-18 04:56:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-12-18 04:56:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-12-18 04:56:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-12-18 04:56:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-12-18 04:56:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-12-18 04:56:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-12-18 04:56:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-12-18 04:56:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-12-18 04:56:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-12-18 04:56:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-12-18 04:56:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-12-18 04:56:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-18 04:56:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-18 04:56:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 04:56:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 04:56:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-18 04:56:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-18 04:56:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-12-18 04:56:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-12-18 04:56:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-12-18 04:56:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-12-18 04:56:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 04:56:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 04:56:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-18 04:56:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-18 04:56:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-12-18 04:56:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-12-18 04:56:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 04:56:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 04:56:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-12-18 04:56:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-12-18 04:56:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-12-18 04:56:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-12-18 04:56:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 04:56:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 04:56:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-12-18 04:56:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-12-18 04:56:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-12-18 04:56:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-12-18 04:56:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-12-18 04:56:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-12-18 04:56:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-12-18 04:56:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-12-18 04:56:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 04:56:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-12-18 04:56:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-12-18 04:56:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-18 04:56:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-18 04:56:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-12-18 04:56:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-12-18 04:56:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 04:56:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 04:56:14,329 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:56:14,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:56:16,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:59:45,548 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:59:45,568 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:59:45,568 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 04:59:45,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:59:45 BoogieIcfgContainer [2021-12-18 04:59:45,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:59:45,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:59:45,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:59:45,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:59:45,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:56:06" (1/3) ... [2021-12-18 04:59:45,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5897ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:59:45, skipping insertion in model container [2021-12-18 04:59:45,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:56:11" (2/3) ... [2021-12-18 04:59:45,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5897ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:59:45, skipping insertion in model container [2021-12-18 04:59:45,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:59:45" (3/3) ... [2021-12-18 04:59:45,578 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-12-18 04:59:45,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:59:45,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:59:45,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:59:45,709 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 04:59:45,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:59:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 3980 states, 2649 states have (on average 1.3148357870894678) internal successors, (3483), 2743 states have internal predecessors, (3483), 1131 states have call successors, (1131), 199 states have call predecessors, (1131), 198 states have return successors, (1127), 1122 states have call predecessors, (1127), 1127 states have call successors, (1127) [2021-12-18 04:59:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-18 04:59:45,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:59:45,793 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:59:45,793 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:59:45,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:59:45,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2126896646, now seen corresponding path program 1 times [2021-12-18 04:59:45,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:59:45,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079707311] [2021-12-18 04:59:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:59:45,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:59:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:59:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:59:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:59:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:59:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:59:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 04:59:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:59:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:59:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:59:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:59:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:59:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-18 04:59:46,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:59:46,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079707311] [2021-12-18 04:59:46,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079707311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:59:46,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:59:46,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 04:59:46,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995360852] [2021-12-18 04:59:46,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:59:46,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 04:59:46,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:59:46,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 04:59:46,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 04:59:46,576 INFO L87 Difference]: Start difference. First operand has 3980 states, 2649 states have (on average 1.3148357870894678) internal successors, (3483), 2743 states have internal predecessors, (3483), 1131 states have call successors, (1131), 199 states have call predecessors, (1131), 198 states have return successors, (1127), 1122 states have call predecessors, (1127), 1127 states have call successors, (1127) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 04:59:51,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:04,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:08,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:23,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:27,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:29,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:31,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:34,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:36,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:38,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:40,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:43,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:46,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:48,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:51,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:53,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:55,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:58,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:00,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:06,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:08,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:11,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:12,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:14,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:16,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:18,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:21,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:01:24,523 INFO L93 Difference]: Finished difference Result 11262 states and 16926 transitions. [2021-12-18 05:01:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:01:24,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2021-12-18 05:01:24,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:01:24,641 INFO L225 Difference]: With dead ends: 11262 [2021-12-18 05:01:24,641 INFO L226 Difference]: Without dead ends: 7235 [2021-12-18 05:01:24,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:01:24,725 INFO L933 BasicCegarLoop]: 6958 mSDtfsCounter, 4748 mSDsluCounter, 7986 mSDsCounter, 0 mSdLazyCounter, 3367 mSolverCounterSat, 2263 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5363 SdHoareTripleChecker+Valid, 14944 SdHoareTripleChecker+Invalid, 5651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2263 IncrementalHoareTripleChecker+Valid, 3367 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:01:24,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5363 Valid, 14944 Invalid, 5651 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2263 Valid, 3367 Invalid, 21 Unknown, 0 Unchecked, 96.8s Time] [2021-12-18 05:01:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7235 states. [2021-12-18 05:01:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7235 to 6890. [2021-12-18 05:01:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6890 states, 4572 states have (on average 1.3116797900262467) internal successors, (5997), 4723 states have internal predecessors, (5997), 1958 states have call successors, (1958), 360 states have call predecessors, (1958), 359 states have return successors, (1957), 1951 states have call predecessors, (1957), 1957 states have call successors, (1957) [2021-12-18 05:01:25,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6890 states to 6890 states and 9912 transitions. [2021-12-18 05:01:25,271 INFO L78 Accepts]: Start accepts. Automaton has 6890 states and 9912 transitions. Word has length 45 [2021-12-18 05:01:25,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:01:25,272 INFO L470 AbstractCegarLoop]: Abstraction has 6890 states and 9912 transitions. [2021-12-18 05:01:25,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 05:01:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 6890 states and 9912 transitions. [2021-12-18 05:01:25,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 05:01:25,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:01:25,283 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:01:25,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:01:25,283 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:01:25,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:01:25,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2071648707, now seen corresponding path program 1 times [2021-12-18 05:01:25,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:01:25,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249414690] [2021-12-18 05:01:25,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:01:25,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:01:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:01:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:01:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:01:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:01:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:01:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 05:01:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 05:01:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 05:01:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:01:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:26,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:01:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:01:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:01:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:01:26,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:01:26,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249414690] [2021-12-18 05:01:26,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249414690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:01:26,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:01:26,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:01:26,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716654860] [2021-12-18 05:01:26,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:01:26,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:01:26,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:01:26,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:01:26,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:01:26,221 INFO L87 Difference]: Start difference. First operand 6890 states and 9912 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 05:01:33,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:36,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:01:58,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:00,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:07,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:15,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:16,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:31,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:53,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:56,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:02:58,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:00,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:03,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:05,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:21,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:23,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:25,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:28,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:31,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:33,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:37,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:43,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:44,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:51,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:03:57,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:03,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:07,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:10,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:04:10,711 INFO L93 Difference]: Finished difference Result 19232 states and 28086 transitions. [2021-12-18 05:04:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:04:10,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2021-12-18 05:04:10,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:04:10,791 INFO L225 Difference]: With dead ends: 19232 [2021-12-18 05:04:10,791 INFO L226 Difference]: Without dead ends: 12347 [2021-12-18 05:04:10,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:04:10,819 INFO L933 BasicCegarLoop]: 8199 mSDtfsCounter, 8003 mSDsluCounter, 12039 mSDsCounter, 0 mSdLazyCounter, 7823 mSolverCounterSat, 5598 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 154.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8807 SdHoareTripleChecker+Valid, 20238 SdHoareTripleChecker+Invalid, 13438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5598 IncrementalHoareTripleChecker+Valid, 7823 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:04:10,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8807 Valid, 20238 Invalid, 13438 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5598 Valid, 7823 Invalid, 17 Unknown, 0 Unchecked, 162.9s Time] [2021-12-18 05:04:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12347 states. [2021-12-18 05:04:11,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12347 to 10544. [2021-12-18 05:04:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10544 states, 7000 states have (on average 1.3072857142857144) internal successors, (9151), 7247 states have internal predecessors, (9151), 2983 states have call successors, (2983), 553 states have call predecessors, (2983), 560 states have return successors, (3004), 2972 states have call predecessors, (3004), 2982 states have call successors, (3004) [2021-12-18 05:04:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10544 states to 10544 states and 15138 transitions. [2021-12-18 05:04:11,257 INFO L78 Accepts]: Start accepts. Automaton has 10544 states and 15138 transitions. Word has length 82 [2021-12-18 05:04:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:04:11,257 INFO L470 AbstractCegarLoop]: Abstraction has 10544 states and 15138 transitions. [2021-12-18 05:04:11,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 05:04:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10544 states and 15138 transitions. [2021-12-18 05:04:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-18 05:04:11,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:04:11,260 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:04:11,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:04:11,260 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:04:11,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:04:11,260 INFO L85 PathProgramCache]: Analyzing trace with hash 55771545, now seen corresponding path program 1 times [2021-12-18 05:04:11,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:04:11,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005197094] [2021-12-18 05:04:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:04:11,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:04:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:04:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 05:04:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 05:04:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:04:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 05:04:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 05:04:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 05:04:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:04:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:04:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-18 05:04:11,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:04:11,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005197094] [2021-12-18 05:04:11,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005197094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:04:11,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:04:11,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:04:11,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131538202] [2021-12-18 05:04:11,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:04:11,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:04:11,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:04:11,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:04:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:04:11,736 INFO L87 Difference]: Start difference. First operand 10544 states and 15138 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 05:04:15,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:28,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:46,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:48,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:50,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:52,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:54,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:04:57,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:03,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:05,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:07,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:09,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:12,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:13,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:05:13,660 INFO L93 Difference]: Finished difference Result 21617 states and 31234 transitions. [2021-12-18 05:05:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:05:13,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2021-12-18 05:05:13,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:05:13,760 INFO L225 Difference]: With dead ends: 21617 [2021-12-18 05:05:13,760 INFO L226 Difference]: Without dead ends: 11085 [2021-12-18 05:05:13,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:05:13,894 INFO L933 BasicCegarLoop]: 5464 mSDtfsCounter, 785 mSDsluCounter, 7389 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 1193 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 12853 SdHoareTripleChecker+Invalid, 3767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1193 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:05:13,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 12853 Invalid, 3767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1193 Valid, 2563 Invalid, 11 Unknown, 0 Unchecked, 61.3s Time] [2021-12-18 05:05:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11085 states. [2021-12-18 05:05:14,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11085 to 10530. [2021-12-18 05:05:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10530 states, 6988 states have (on average 1.307097882083572) internal successors, (9134), 7236 states have internal predecessors, (9134), 2982 states have call successors, (2982), 552 states have call predecessors, (2982), 559 states have return successors, (3003), 2970 states have call predecessors, (3003), 2981 states have call successors, (3003) [2021-12-18 05:05:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10530 states to 10530 states and 15119 transitions. [2021-12-18 05:05:14,565 INFO L78 Accepts]: Start accepts. Automaton has 10530 states and 15119 transitions. Word has length 78 [2021-12-18 05:05:14,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:05:14,568 INFO L470 AbstractCegarLoop]: Abstraction has 10530 states and 15119 transitions. [2021-12-18 05:05:14,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 05:05:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 10530 states and 15119 transitions. [2021-12-18 05:05:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-18 05:05:14,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:05:14,572 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:05:14,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:05:14,572 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:05:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:05:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1306792679, now seen corresponding path program 1 times [2021-12-18 05:05:14,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:05:14,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131956011] [2021-12-18 05:05:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:05:14,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:05:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:05:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 05:05:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 05:05:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:05:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 05:05:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 05:05:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 05:05:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 05:05:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 05:05:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 05:05:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:05:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-18 05:05:15,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:05:15,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131956011] [2021-12-18 05:05:15,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131956011] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:05:15,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:05:15,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:05:15,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971794796] [2021-12-18 05:05:15,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:05:15,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:05:15,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:05:15,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:05:15,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:05:15,392 INFO L87 Difference]: Start difference. First operand 10530 states and 15119 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-18 05:05:20,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:34,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:52,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:55,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:57,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:05:59,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:01,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:03,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:10,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:12,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:15,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:16,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:18,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:21,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:06:21,194 INFO L93 Difference]: Finished difference Result 22296 states and 32338 transitions. [2021-12-18 05:06:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:06:21,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2021-12-18 05:06:21,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:06:21,239 INFO L225 Difference]: With dead ends: 22296 [2021-12-18 05:06:21,240 INFO L226 Difference]: Without dead ends: 11782 [2021-12-18 05:06:21,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:06:21,275 INFO L933 BasicCegarLoop]: 5976 mSDtfsCounter, 1090 mSDsluCounter, 7766 mSDsCounter, 0 mSdLazyCounter, 2706 mSolverCounterSat, 1189 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 13742 SdHoareTripleChecker+Invalid, 3906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1189 IncrementalHoareTripleChecker+Valid, 2706 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:06:21,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1354 Valid, 13742 Invalid, 3906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1189 Valid, 2706 Invalid, 11 Unknown, 0 Unchecked, 65.2s Time] [2021-12-18 05:06:21,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11782 states. [2021-12-18 05:06:21,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11782 to 10544. [2021-12-18 05:06:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10544 states, 7002 states have (on average 1.307055127106541) internal successors, (9152), 7250 states have internal predecessors, (9152), 2982 states have call successors, (2982), 552 states have call predecessors, (2982), 559 states have return successors, (3003), 2970 states have call predecessors, (3003), 2981 states have call successors, (3003) [2021-12-18 05:06:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10544 states to 10544 states and 15137 transitions. [2021-12-18 05:06:21,608 INFO L78 Accepts]: Start accepts. Automaton has 10544 states and 15137 transitions. Word has length 91 [2021-12-18 05:06:21,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:06:21,611 INFO L470 AbstractCegarLoop]: Abstraction has 10544 states and 15137 transitions. [2021-12-18 05:06:21,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-18 05:06:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 10544 states and 15137 transitions. [2021-12-18 05:06:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-18 05:06:21,614 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:06:21,614 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:06:21,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:06:21,614 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:06:21,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:06:21,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1687642941, now seen corresponding path program 1 times [2021-12-18 05:06:21,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:06:21,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383604795] [2021-12-18 05:06:21,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:06:21,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:06:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:06:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 05:06:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 05:06:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:06:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 05:06:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 05:06:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 05:06:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 05:06:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 05:06:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 05:06:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-18 05:06:22,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:06:22,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383604795] [2021-12-18 05:06:22,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383604795] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:06:22,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873010320] [2021-12-18 05:06:22,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:06:22,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:06:22,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:06:22,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:06:22,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 05:06:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:24,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 8630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:06:24,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:06:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-18 05:06:26,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:06:26,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873010320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:06:26,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:06:26,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-18 05:06:26,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696413837] [2021-12-18 05:06:26,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:06:26,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:06:26,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:06:26,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:06:26,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:06:26,130 INFO L87 Difference]: Start difference. First operand 10544 states and 15137 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-18 05:06:26,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:06:26,431 INFO L93 Difference]: Finished difference Result 11048 states and 15770 transitions. [2021-12-18 05:06:26,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:06:26,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 96 [2021-12-18 05:06:26,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:06:26,488 INFO L225 Difference]: With dead ends: 11048 [2021-12-18 05:06:26,488 INFO L226 Difference]: Without dead ends: 11045 [2021-12-18 05:06:26,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:06:26,493 INFO L933 BasicCegarLoop]: 5943 mSDtfsCounter, 5188 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5188 SdHoareTripleChecker+Valid, 6668 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:06:26,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5188 Valid, 6668 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:06:26,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11045 states. [2021-12-18 05:06:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11045 to 11025. [2021-12-18 05:06:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11025 states, 7349 states have (on average 1.3046673016736972) internal successors, (9588), 7601 states have internal predecessors, (9588), 3060 states have call successors, (3060), 608 states have call predecessors, (3060), 615 states have return successors, (3087), 3048 states have call predecessors, (3087), 3059 states have call successors, (3087) [2021-12-18 05:06:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 15735 transitions. [2021-12-18 05:06:26,763 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 15735 transitions. Word has length 96 [2021-12-18 05:06:26,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:06:26,764 INFO L470 AbstractCegarLoop]: Abstraction has 11025 states and 15735 transitions. [2021-12-18 05:06:26,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-18 05:06:26,764 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 15735 transitions. [2021-12-18 05:06:26,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 05:06:26,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:06:26,795 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:06:26,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 05:06:27,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:06:27,009 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:06:27,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:06:27,010 INFO L85 PathProgramCache]: Analyzing trace with hash 701087366, now seen corresponding path program 1 times [2021-12-18 05:06:27,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:06:27,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214755040] [2021-12-18 05:06:27,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:06:27,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:06:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:06:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 05:06:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 05:06:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:06:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 05:06:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 05:06:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 05:06:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 05:06:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 05:06:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 05:06:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 05:06:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 05:06:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:06:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:06:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:06:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 05:06:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 05:06:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 05:06:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 05:06:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:06:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 05:06:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 05:06:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 05:06:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 05:06:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:06:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:06:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 05:06:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 05:06:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 05:06:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:06:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:06:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-18 05:06:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:06:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 05:06:28,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:06:28,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214755040] [2021-12-18 05:06:28,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214755040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:06:28,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:06:28,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:06:28,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068788920] [2021-12-18 05:06:28,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:06:28,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:06:28,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:06:28,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:06:28,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:06:28,038 INFO L87 Difference]: Start difference. First operand 11025 states and 15735 transitions. Second operand has 6 states, 6 states have (on average 28.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 05:06:35,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:06:37,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:07:05,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:07:07,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:07:17,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:07:30,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:08,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:11,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:13,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:16,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:18,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:20,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:37,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:39,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:42,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:44,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:46,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:49,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:52,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:54,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:56,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:58,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:08:59,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:09:02,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:09:09,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:09:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:15,358 INFO L93 Difference]: Finished difference Result 26800 states and 39453 transitions. [2021-12-18 05:09:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:09:15,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 268 [2021-12-18 05:09:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:15,463 INFO L225 Difference]: With dead ends: 26800 [2021-12-18 05:09:15,464 INFO L226 Difference]: Without dead ends: 15791 [2021-12-18 05:09:15,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:09:15,514 INFO L933 BasicCegarLoop]: 5431 mSDtfsCounter, 5164 mSDsluCounter, 10834 mSDsCounter, 0 mSdLazyCounter, 8541 mSolverCounterSat, 5608 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5790 SdHoareTripleChecker+Valid, 16265 SdHoareTripleChecker+Invalid, 14169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5608 IncrementalHoareTripleChecker+Valid, 8541 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:15,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5790 Valid, 16265 Invalid, 14169 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5608 Valid, 8541 Invalid, 20 Unknown, 0 Unchecked, 165.7s Time] [2021-12-18 05:09:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15791 states. [2021-12-18 05:09:15,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15791 to 11193. [2021-12-18 05:09:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11193 states, 7472 states have (on average 1.303667023554604) internal successors, (9741), 7725 states have internal predecessors, (9741), 3095 states have call successors, (3095), 608 states have call predecessors, (3095), 625 states have return successors, (3153), 3092 states have call predecessors, (3153), 3094 states have call successors, (3153) [2021-12-18 05:09:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11193 states to 11193 states and 15989 transitions. [2021-12-18 05:09:16,014 INFO L78 Accepts]: Start accepts. Automaton has 11193 states and 15989 transitions. Word has length 268 [2021-12-18 05:09:16,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:16,015 INFO L470 AbstractCegarLoop]: Abstraction has 11193 states and 15989 transitions. [2021-12-18 05:09:16,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 05:09:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 11193 states and 15989 transitions. [2021-12-18 05:09:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-18 05:09:16,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:16,046 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:16,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 05:09:16,047 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:16,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:16,047 INFO L85 PathProgramCache]: Analyzing trace with hash 144136787, now seen corresponding path program 1 times [2021-12-18 05:09:16,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:16,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207529932] [2021-12-18 05:09:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:16,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:16,384 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 05:09:16,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890175400] [2021-12-18 05:09:16,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:16,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:16,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:09:16,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:09:16,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 05:09:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:18,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 9700 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:09:18,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:09:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 05:09:19,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:09:19,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:19,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207529932] [2021-12-18 05:09:19,333 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 05:09:19,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890175400] [2021-12-18 05:09:19,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890175400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:19,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:19,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:09:19,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279248809] [2021-12-18 05:09:19,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:19,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:09:19,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:09:19,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:09:19,334 INFO L87 Difference]: Start difference. First operand 11193 states and 15989 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:19,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:19,685 INFO L93 Difference]: Finished difference Result 22586 states and 32303 transitions. [2021-12-18 05:09:19,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:09:19,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 276 [2021-12-18 05:09:19,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:19,739 INFO L225 Difference]: With dead ends: 22586 [2021-12-18 05:09:19,739 INFO L226 Difference]: Without dead ends: 11409 [2021-12-18 05:09:19,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:09:19,777 INFO L933 BasicCegarLoop]: 5735 mSDtfsCounter, 88 mSDsluCounter, 5640 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 11375 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:19,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 11375 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:09:19,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11409 states. [2021-12-18 05:09:20,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11409 to 11281. [2021-12-18 05:09:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11281 states, 7556 states have (on average 1.3045262043409211) internal successors, (9857), 7809 states have internal predecessors, (9857), 3099 states have call successors, (3099), 608 states have call predecessors, (3099), 625 states have return successors, (3157), 3096 states have call predecessors, (3157), 3098 states have call successors, (3157) [2021-12-18 05:09:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11281 states to 11281 states and 16113 transitions. [2021-12-18 05:09:20,160 INFO L78 Accepts]: Start accepts. Automaton has 11281 states and 16113 transitions. Word has length 276 [2021-12-18 05:09:20,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:20,161 INFO L470 AbstractCegarLoop]: Abstraction has 11281 states and 16113 transitions. [2021-12-18 05:09:20,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 11281 states and 16113 transitions. [2021-12-18 05:09:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-18 05:09:20,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:20,184 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:20,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:09:20,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-18 05:09:20,411 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:20,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:20,412 INFO L85 PathProgramCache]: Analyzing trace with hash -759132390, now seen corresponding path program 1 times [2021-12-18 05:09:20,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:20,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974446293] [2021-12-18 05:09:20,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:20,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:20,553 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 05:09:20,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617571023] [2021-12-18 05:09:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:20,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:20,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:09:20,555 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:09:20,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 05:09:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:22,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 9722 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:09:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:09:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 05:09:23,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:09:23,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:23,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974446293] [2021-12-18 05:09:23,658 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 05:09:23,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617571023] [2021-12-18 05:09:23,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617571023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:23,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:23,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:09:23,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454639235] [2021-12-18 05:09:23,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:23,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:09:23,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:23,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:09:23,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:09:23,659 INFO L87 Difference]: Start difference. First operand 11281 states and 16113 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:24,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:24,305 INFO L93 Difference]: Finished difference Result 22570 states and 32291 transitions. [2021-12-18 05:09:24,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:09:24,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 278 [2021-12-18 05:09:24,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:24,354 INFO L225 Difference]: With dead ends: 22570 [2021-12-18 05:09:24,354 INFO L226 Difference]: Without dead ends: 11305 [2021-12-18 05:09:24,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:09:24,390 INFO L933 BasicCegarLoop]: 5686 mSDtfsCounter, 7 mSDsluCounter, 11361 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17047 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:24,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 17047 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:09:24,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11305 states. [2021-12-18 05:09:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11305 to 11293. [2021-12-18 05:09:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11293 states, 7564 states have (on average 1.3042041248016922) internal successors, (9865), 7821 states have internal predecessors, (9865), 3099 states have call successors, (3099), 608 states have call predecessors, (3099), 629 states have return successors, (3161), 3096 states have call predecessors, (3161), 3098 states have call successors, (3161) [2021-12-18 05:09:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11293 states to 11293 states and 16125 transitions. [2021-12-18 05:09:24,677 INFO L78 Accepts]: Start accepts. Automaton has 11293 states and 16125 transitions. Word has length 278 [2021-12-18 05:09:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:24,678 INFO L470 AbstractCegarLoop]: Abstraction has 11293 states and 16125 transitions. [2021-12-18 05:09:24,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 11293 states and 16125 transitions. [2021-12-18 05:09:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-18 05:09:24,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:24,699 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:24,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:09:24,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:24,920 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:24,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:24,920 INFO L85 PathProgramCache]: Analyzing trace with hash -913081965, now seen corresponding path program 1 times [2021-12-18 05:09:24,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:24,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748515774] [2021-12-18 05:09:24,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:24,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:25,099 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 05:09:25,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287184359] [2021-12-18 05:09:25,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:25,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:25,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:09:25,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:09:25,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 05:09:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:27,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 9723 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-18 05:09:27,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:09:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-18 05:09:30,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:09:30,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:30,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748515774] [2021-12-18 05:09:30,665 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 05:09:30,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287184359] [2021-12-18 05:09:30,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287184359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:30,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:30,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:09:30,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402622076] [2021-12-18 05:09:30,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:30,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:09:30,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:30,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:09:30,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:09:30,667 INFO L87 Difference]: Start difference. First operand 11293 states and 16125 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:31,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:31,654 INFO L93 Difference]: Finished difference Result 22568 states and 32229 transitions. [2021-12-18 05:09:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:09:31,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 279 [2021-12-18 05:09:31,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:31,727 INFO L225 Difference]: With dead ends: 22568 [2021-12-18 05:09:31,728 INFO L226 Difference]: Without dead ends: 11280 [2021-12-18 05:09:31,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:09:31,780 INFO L933 BasicCegarLoop]: 5691 mSDtfsCounter, 3 mSDsluCounter, 17062 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22753 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:31,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 22753 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:09:31,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11280 states. [2021-12-18 05:09:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11280 to 11272. [2021-12-18 05:09:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11272 states, 7547 states have (on average 1.3038293361600637) internal successors, (9840), 7806 states have internal predecessors, (9840), 3096 states have call successors, (3096), 607 states have call predecessors, (3096), 628 states have return successors, (3158), 3091 states have call predecessors, (3158), 3095 states have call successors, (3158) [2021-12-18 05:09:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11272 states to 11272 states and 16094 transitions. [2021-12-18 05:09:32,157 INFO L78 Accepts]: Start accepts. Automaton has 11272 states and 16094 transitions. Word has length 279 [2021-12-18 05:09:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:32,157 INFO L470 AbstractCegarLoop]: Abstraction has 11272 states and 16094 transitions. [2021-12-18 05:09:32,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:32,158 INFO L276 IsEmpty]: Start isEmpty. Operand 11272 states and 16094 transitions. [2021-12-18 05:09:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-18 05:09:32,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:32,177 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:32,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:09:32,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:32,391 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:32,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1785993815, now seen corresponding path program 1 times [2021-12-18 05:09:32,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:32,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199725919] [2021-12-18 05:09:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:32,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:32,582 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 05:09:32,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447188388] [2021-12-18 05:09:32,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:32,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:09:32,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:09:32,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 05:09:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:34,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 9786 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 05:09:34,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:09:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 05:09:37,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:09:37,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199725919] [2021-12-18 05:09:37,667 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 05:09:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447188388] [2021-12-18 05:09:37,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447188388] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:37,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:37,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:09:37,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537451432] [2021-12-18 05:09:37,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:37,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:09:37,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:37,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:09:37,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:09:37,668 INFO L87 Difference]: Start difference. First operand 11272 states and 16094 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:38,163 INFO L93 Difference]: Finished difference Result 22819 states and 32632 transitions. [2021-12-18 05:09:38,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:09:38,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 281 [2021-12-18 05:09:38,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:38,213 INFO L225 Difference]: With dead ends: 22819 [2021-12-18 05:09:38,213 INFO L226 Difference]: Without dead ends: 11563 [2021-12-18 05:09:38,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:09:38,244 INFO L933 BasicCegarLoop]: 5888 mSDtfsCounter, 257 mSDsluCounter, 5525 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 11413 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:38,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 11413 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:09:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11563 states. [2021-12-18 05:09:38,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11563 to 11282. [2021-12-18 05:09:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11282 states, 7553 states have (on average 1.3035879782867734) internal successors, (9846), 7812 states have internal predecessors, (9846), 3100 states have call successors, (3100), 607 states have call predecessors, (3100), 628 states have return successors, (3162), 3095 states have call predecessors, (3162), 3099 states have call successors, (3162) [2021-12-18 05:09:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11282 states to 11282 states and 16108 transitions. [2021-12-18 05:09:38,544 INFO L78 Accepts]: Start accepts. Automaton has 11282 states and 16108 transitions. Word has length 281 [2021-12-18 05:09:38,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:38,545 INFO L470 AbstractCegarLoop]: Abstraction has 11282 states and 16108 transitions. [2021-12-18 05:09:38,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 05:09:38,545 INFO L276 IsEmpty]: Start isEmpty. Operand 11282 states and 16108 transitions. [2021-12-18 05:09:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-18 05:09:38,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:38,562 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:38,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 05:09:38,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-18 05:09:38,784 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:38,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1707213000, now seen corresponding path program 1 times [2021-12-18 05:09:38,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:38,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593794821] [2021-12-18 05:09:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:38,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:38,950 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 05:09:38,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242202041] [2021-12-18 05:09:38,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:38,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:38,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:09:38,952 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:09:38,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 05:09:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:40,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 9874 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:09:40,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:09:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-18 05:09:43,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:09:43,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:43,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593794821] [2021-12-18 05:09:43,493 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 05:09:43,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242202041] [2021-12-18 05:09:43,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242202041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:43,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:43,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:09:43,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611987596] [2021-12-18 05:09:43,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:43,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:09:43,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:43,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:09:43,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:09:43,494 INFO L87 Difference]: Start difference. First operand 11282 states and 16108 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 05:09:43,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:43,895 INFO L93 Difference]: Finished difference Result 22839 states and 32660 transitions. [2021-12-18 05:09:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:09:43,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 288 [2021-12-18 05:09:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:43,948 INFO L225 Difference]: With dead ends: 22839 [2021-12-18 05:09:43,948 INFO L226 Difference]: Without dead ends: 11573 [2021-12-18 05:09:43,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:09:43,987 INFO L933 BasicCegarLoop]: 5886 mSDtfsCounter, 266 mSDsluCounter, 5524 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 11410 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:43,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 11410 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:09:43,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11573 states. [2021-12-18 05:09:44,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11573 to 11282. [2021-12-18 05:09:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11282 states, 7553 states have (on average 1.3035879782867734) internal successors, (9846), 7812 states have internal predecessors, (9846), 3100 states have call successors, (3100), 607 states have call predecessors, (3100), 628 states have return successors, (3162), 3095 states have call predecessors, (3162), 3099 states have call successors, (3162) [2021-12-18 05:09:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11282 states to 11282 states and 16108 transitions. [2021-12-18 05:09:44,476 INFO L78 Accepts]: Start accepts. Automaton has 11282 states and 16108 transitions. Word has length 288 [2021-12-18 05:09:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:44,478 INFO L470 AbstractCegarLoop]: Abstraction has 11282 states and 16108 transitions. [2021-12-18 05:09:44,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 05:09:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 11282 states and 16108 transitions. [2021-12-18 05:09:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-12-18 05:09:44,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:44,499 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:44,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 05:09:44,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:44,720 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:44,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:44,720 INFO L85 PathProgramCache]: Analyzing trace with hash 4274935, now seen corresponding path program 1 times [2021-12-18 05:09:44,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:44,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239202729] [2021-12-18 05:09:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:44,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:44,935 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 05:09:44,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937613443] [2021-12-18 05:09:44,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:44,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:44,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:09:44,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:09:44,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 05:09:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:47,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 10217 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 05:09:47,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:09:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-18 05:09:50,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:09:50,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:50,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239202729] [2021-12-18 05:09:50,733 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 05:09:50,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937613443] [2021-12-18 05:09:50,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937613443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:50,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:50,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:09:50,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365504377] [2021-12-18 05:09:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:50,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:09:50,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:09:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:09:50,735 INFO L87 Difference]: Start difference. First operand 11282 states and 16108 transitions. Second operand has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 05:09:51,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:09:51,657 INFO L93 Difference]: Finished difference Result 23232 states and 33265 transitions. [2021-12-18 05:09:51,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:09:51,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 345 [2021-12-18 05:09:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:09:51,706 INFO L225 Difference]: With dead ends: 23232 [2021-12-18 05:09:51,707 INFO L226 Difference]: Without dead ends: 11966 [2021-12-18 05:09:51,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:09:51,742 INFO L933 BasicCegarLoop]: 6143 mSDtfsCounter, 467 mSDsluCounter, 11488 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 17631 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:09:51,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 17631 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 05:09:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11966 states. [2021-12-18 05:09:52,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11966 to 11286. [2021-12-18 05:09:52,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11286 states, 7557 states have (on average 1.303427285960037) internal successors, (9850), 7816 states have internal predecessors, (9850), 3100 states have call successors, (3100), 607 states have call predecessors, (3100), 628 states have return successors, (3162), 3095 states have call predecessors, (3162), 3099 states have call successors, (3162) [2021-12-18 05:09:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11286 states to 11286 states and 16112 transitions. [2021-12-18 05:09:52,135 INFO L78 Accepts]: Start accepts. Automaton has 11286 states and 16112 transitions. Word has length 345 [2021-12-18 05:09:52,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:09:52,136 INFO L470 AbstractCegarLoop]: Abstraction has 11286 states and 16112 transitions. [2021-12-18 05:09:52,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 05:09:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 11286 states and 16112 transitions. [2021-12-18 05:09:52,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 05:09:52,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:09:52,169 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:09:52,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 05:09:52,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:09:52,392 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:09:52,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:09:52,392 INFO L85 PathProgramCache]: Analyzing trace with hash -793240777, now seen corresponding path program 1 times [2021-12-18 05:09:52,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:09:52,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002704703] [2021-12-18 05:09:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:09:52,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:09:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:09:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 05:09:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 05:09:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:09:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 05:09:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 05:09:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 05:09:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:09:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 05:09:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 05:09:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 05:09:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 05:09:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:09:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:09:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:09:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-18 05:09:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 05:09:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 05:09:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:09:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:09:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:09:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 05:09:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:09:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:09:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 05:09:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 05:09:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 05:09:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 05:09:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 05:09:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 05:09:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 05:09:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 05:09:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:09:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:09:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 05:09:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 05:09:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:09:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-18 05:09:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 05:09:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:09:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:09:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 05:09:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:09:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2021-12-18 05:09:53,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:09:53,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002704703] [2021-12-18 05:09:53,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002704703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:09:53,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:09:53,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:09:53,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356571535] [2021-12-18 05:09:53,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:09:53,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:09:53,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:09:53,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:09:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:09:53,995 INFO L87 Difference]: Start difference. First operand 11286 states and 16112 transitions. Second operand has 8 states, 8 states have (on average 25.375) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-12-18 05:10:01,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:10:03,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:10:05,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15